Consumer Electronics

Features:1. Generate QR code/barcode, scan the code to identify the content, smarter and faster2. Double red light fixed focus: easy positioning, more convenient focusing3. High-performance professional metal marking machine, wide application range, double red light positioning4. 360-degree rotating marking, unlimited positioning, creative engraving, easy to complete engraving on large, medium and small objects such as cylinders and curved surfaces5. Fast and accurate, easy to operate, applicable to multiple scenes, full power laser6. Pulse wavelength 1064mm, 180 degree rotation to meet industrial marking7. Foldable design, easy to carry8. Industrial-grade APP operation, automatic code jumping/serial number9. Easy to move, suitable for personal office10. Extremely fast positioning, marking batch output12. Rectangular positioning plate, adjustable positioning, more stable batch engraving13. Support languages Chinese/English/Japanese/Korean14. High-definition laser field lens, wide focus range, wear-resistant and non-slip, excellent marking15. High-speed galvanometer scanning head, reducing delay, small error and automatic calibration16. Suitable for metal pet tags, metal pendants, stainless steel kettles, plastic buttons, PVC pipes, plastic cases, acrylic plates, leather wallets, leather jugs, metal U disks, electroplated lighters, stainless steel ice wine coolersParameter:1. Marking accuracy: less than or equal to 0.001mm2. Marking speed: less than or equal to 10000mm/s3. Ambient temperature: -10 to 65 degrees Celsius4. Cooling method: built-in fan5. Laser wavelength: 1064mm6. Marking depth: 0.015-0.2mm7. Power supply voltage: 110-240v8. Machine power: no more than 300w9. Laser power: 10w10. Marking line width: 0.001-0.05mm11. Body size: 30 x 20 x 32cm12. Rotation axis size: 13 x 20 x 5.3cm13. Marking format: 70x70mm14. Weight of rotating shaft: 1.16kg15. Body weight: 6.26kgSpecification: Package Weight One Package Weight 8.50kgs / 18.75lb One Package Size 30cm * 46cm * 20cm / 11.81inch * 18.11inch * 7.87inch Qty per Carton 4 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 4 pcs = 708 pcs 40HQ: 412 cartons * 4 pcs = 1648 pcs

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Features:1. Generate QR code/barcode, scan the code to identify the content, smarter and faster2. Double red light fixed focus: easy positioning, more convenient focusing3. High-performance professional metal marking machine, wide application range, double red light positioning4. 360-degree rotating marking, unlimited positioning, creative engraving, easy to complete engraving on large, medium and small objects such as cylinders and curved surfaces5. Fast and accurate, easy to operate, applicable to multiple scenes, full power laser6. Pulse wavelength 1064mm, 180 degree rotation to meet industrial marking7. Foldable design, easy to carry8. Industrial-grade APP operation, automatic code jumping/serial number9. Easy to move, suitable for personal office10. Extremely fast positioning, marking batch output12. Rectangular positioning plate, adjustable positioning, more stable batch engraving13. Support languages Chinese/English/Japanese/Korean14. High-definition laser field lens, wide focus range, wear-resistant and non-slip, excellent marking15. High-speed galvanometer scanning head, reducing delay, small error and automatic calibration16. Suitable for metal pet tags, metal pendants, stainless steel kettles, plastic buttons, PVC pipes, plastic cases, acrylic plates, leather wallets, leather jugs, metal U disks, electroplated lighters, stainless steel ice wine coolersParameter:1. Marking accuracy: less than or equal to 0.001mm2. Marking speed: less than or equal to 10000mm/s3. Ambient temperature: -10 to 65 degrees Celsius4. Cooling method: built-in fan5. Laser wavelength: 1064mm6. Marking depth: 0.015-0.2mm7. Power supply voltage: 110-240v8. Machine power: no more than 300w9. Laser power: 10w10. Marking line width: 0.001-0.05mm11. Body size: 30 x 20 x 32cm12. Rotation axis size: 13 x 20 x 5.3cm13. Marking format: 70x70mm14. Weight of rotating shaft: 1.16kg15. Body weight: 6.26kgSpecification: Package Weight One Package Weight 8.80kgs / 19.41lb One Package Size 30cm * 46cm * 20cm / 11.81inch * 18.11inch * 7.87inch Qty per Carton 3 Carton Weight 30.00kgs / 66.14lb Carton Size 30cm * 46cm * 60cm / 11.81inch * 18.11inch * 23.62inch Loading Container 20GP: 322 cartons * 3 pcs = 966 pcs 40HQ: 747 cartons * 3 pcs = 2241 pcs

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1. Small and portable, double-roller automatic rotation2. Equipped with R3 rotation axis, 360-degree cylindrical rotation engraving, intelligent software interaction, synchronous engraving3. Suitable for large, medium and small objects, bearing 3kg, easy to complete carving without deformation4. Carrying large-area objects, no need to manually adjust the distance5. The diameter of the roller is 3.2cm, the axis is closer, and it can rotate 5mm objects6. With D2/D3 laser engraving machine, use 12V power supply to connect7. Dimensions: 13 x 20 x 5.3cm8. Weight: 1.16kg9. Note: The product only includes the rotating shaft, not including otherSpecification: Package Weight One Package Weight 1.20kgs / 2.65lb One Package Size 18cm * 25cm * 8cm / 7.09inch * 9.84inch * 3.15inch Qty per Carton 24 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 24 pcs = 4248 pcs 40HQ: 412 cartons * 24 pcs = 9888 pcs

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Features:1. Generate QR code/barcode, scan the code to identify the content, smarter and faster2. Double red light fixed focus: easy positioning, more convenient focusing3. High-performance professional metal marking machine, wide application range, double red light positioning4. 360-degree rotating marking, unlimited positioning, creative engraving, easy to complete engraving on large, medium and small objects such as cylinders and curved surfaces5. Fast and accurate, easy to operate, applicable to multiple scenes, full power laser6. Pulse wavelength 1064mm, 180 degree rotation to meet industrial marking7. Foldable design, easy to carry8. Industrial-grade APP operation, automatic code jumping/serial number9. Easy to move, suitable for personal office10. Extremely fast positioning, marking batch output12. Rectangular positioning plate, adjustable positioning, more stable batch engraving13. Support languages Chinese/English/Japanese/Korean14. High-definition laser field lens, wide focus range, wear-resistant and non-slip, excellent marking15. High-speed galvanometer scanning head, reducing delay, small error and automatic calibration16. Suitable for metal pet tags, metal pendants, stainless steel kettles, plastic buttons, PVC pipes, plastic cases, acrylic plates, leather wallets, leather jugs, metal U disks, electroplated lighters, stainless steel ice wine coolersParameter:1. Marking accuracy: less than or equal to 0.001mm2. Marking speed: less than or equal to 10000mm/s3. Ambient temperature: -10 to 65 degrees Celsius4. Cooling method: built-in fan5. Laser wavelength: 1064mm6. Marking depth: 0.015-0.2mm7. Power supply voltage: 110-240v8. Machine power: no more than 300w9. Laser power: 10w10. Marking line width: 0.001-0.05mm11. Body size: 30 x 20 x 32cm12. Rotation axis size: 13 x 20 x 5.3cm13. Marking format: 70x70mm14. Weight of rotating shaft: 1.16kg15. Body weight: 6.26kgSpecification: Package Weight One Package Weight 8.00kgs / 17.64lb One Package Size 30cm * 40cm * 20cm / 11.81inch * 15.75inch * 7.87inch Qty per Carton 4 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 4 pcs = 708 pcs 40HQ: 412 cartons * 4 pcs = 1648 pcs

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1. Material: acrylic+aluminum+stainless steel2. Working area: 170 x 170mm3. Zeroing repeat position accuracy: 0.01mm4. Repeat positioning accuracy: X, Y: 0.01mm5. Limit switch: built-in X Y, supports Z limit expansion6. Recommended acceleration and maximum speed: 400mm/s7. Accuracy: 338dpi8. Pixels: 2267 x 22679. Input voltage: 12V or 24V, matched according to module voltage10. Interface: 5.5x2.1, maximum 6A11. Compatible with: all 12V and 24V NEJE modules12. Height adjuster: N30820, N30610, B30635 can directly adjust the module height up and down through the installation interface.13. Supports installation of NEJE fixed height adjuster14. Compatible with other high-power modules: E40, A4064015. BLE Bluetooth function: supports Bluetooth 4, Windows10, iOS 8 and Android 4.2 and higher16. Software: NEJE Win Soft, NEJE APP, Lightburn, LaserGRBL17. System support: Win 7/Win 8/Win 10, Android, iOS, ipadOS, macOSFile18. Format support: GC/SVG/DXF/JPG/JPEG/PNG/BMP/TIF, etc.Specification: Package Weight One Package Weight 4.61kgs / 10.17lb One Package Size 51cm * 48cm * 25cm / 20.08inch * 18.9inch * 9.84inch Qty per Carton 2 Carton Weight 10.22kgs / 22.53lb Carton Size 53cm * 50cm * 52cm / 20.87inch * 19.69inch * 20.47inch Loading Container 20GP: 193 cartons * 2 pcs = 386 pcs 40HQ: 449 cartons * 2 pcs = 898 pcs

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1. Note: This extension pole kit only supports NEJE Max 4 and NEJE 3 MAX V2 laser engraving machines2. Expand the NEJE Max 4 working area to 750*1030mm3. Expand the working area of NEJE 3 Max V2 to 790*1030mm4. The extra large working area allows you to set more quantities at one time, thereby achieving higher work efficiency.Product parameters:Length: 1150mmMaterial: aluminum alloyPacking list:-1150mm black V-shaped track profile x 2-3m timing belt x 1-M6x12 screw x 8Specification: Package Weight One Package Weight 1.90kgs / 4.19lb One Package Size 118cm * 8cm * 8cm / 46.46inch * 3.15inch * 3.15inch Qty per Carton 1 Carton Weight 1750.00kgs / 3858.05lb Carton Size 118cm * 8cm * 8cm / 46.46inch * 3.15inch * 3.15inch Loading Container 20GP: 3531 cartons * 1 pcs = 3531 pcs 40HQ: 8197 cartons * 1 pcs = 8197 pcs

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1. Frame size: 970x582x60mm2. Working area: 750 x 460mm, extends to 750x1030mm (approx. 29.5x40.5 inches)3. X-axis: industrial linear track, bottom CNC linear correction4. Y-axis: NEJE diamond CNC linear guide, smooth and durable5. Z axis: industrial linear guide6. A-axis: Rotation axis expansion7. Y-axis extension: Yes, NEJE will provide linear extension tracks, and the Y-axis can be extended to 1030mm.8. Limit switch: built-in X Y Z9. Zeroing repeat position accuracy: 0.01mm10. Repeatable positioning accuracy: X, Y: 0.01mm; Z: 0.01mm11. Recommended acceleration and maximum speed: 400mm/s (NEJE Max 4 has a longer acceleration stroke and its peak speed is faster than the ordinary 400x400mm frame)12. Vertical engraving: Yes (90°)13. Movement accuracy: 0.01mm. Maximum 2032 dpi14. Input voltage: 12V or 24V, matched according to module voltage15. Interface: 5.5*2.1, maximum 6A16. Compatible with: all 12V and 24V NEJE modules17. M7, M8, door extension: Yes18. Lightburn offline control: Yes19. Lasergrbl offline control: Yes20. BLE Bluetooth function: Supports Bluetooth 4, Windows 10, iOS 8 and Android 4.2 and higher.21. Application Control: Yes22. MEMS protection: Yes23. NEJE software OTA upgrade: Yes24. Software: NEJE Win Soft, NEJE APP, Lightburn, LaserGRBL25. Firmware: Built-in NEJE firewall and GRBL 1.1f (optimized)26. System support: Win 7/Win 8/Win 10, Android, iOS, ipadOS, macOS27. File format support: SVG/DXF/JPG/JPEG/PNG/BMP/TIF/etc.Specification: Package Weight One Package Weight 7.90kgs / 17.43lb One Package Size 105cm * 26cm * 19cm / 41.34inch * 10.24inch * 7.48inch Qty per Carton 1 Carton Weight 7.90kgs / 17.42lb Carton Size 105cm * 26cm * 19cm / 41.34inch * 10.24inch * 7.48inch Loading Container 20GP: 514 cartons * 1 pcs = 514 pcs 40HQ: 1193 cartons * 1 pcs = 1193 pcs

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1. Input voltage: 4.5-5V 2. Color: blue + purple light 3. Power: 1500mw 4. Laser wavelength: 405nm 5. Laser operating temperature: 500 Degrees Celsius 6. Product features: high power, fast speed, high precision 7. Can be carved items included: Hard wood, plastic, bamboo, rubber, leather, cut paper and so on. 8. Can not engrave metal / aluminum / acrylic and any retardant material 9. Length: 45mm 10. Diameter: 12mm 11. Weight: 17gSpecification: Package Weight One Package Weight 0.04kgs / 0.08lb One Package Size 7cm * 3cm * 2cm / 2.76inch * 1.18inch * 0.79inch Qty per Carton 600 Carton Weight 21.00kgs / 46.30lb Carton Size 40cm * 30cm * 22cm / 15.75inch * 11.81inch * 8.66inch Loading Container 20GP: 1010 cartons * 600 pcs = 606000 pcs 40HQ: 2344 cartons * 600 pcs = 1406400 pcs

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1. Input voltage: 4.5-5V 2. Color: blue + purple light 3. Power: 1000mw 4. Laser wavelength: 405nm 5. Laser operating temperature: 500 Degrees Celsius 6. Product features: high power, fast speed, high precision 7. Can be carved items included: Hard wood, plastic, bamboo, rubber, leather, cut paper and so on. 8. Can not engrave metal / aluminum / acrylic and any retardant material 9. Length: 45mm 10. Diameter: 12mm 11. Weight: 17gSpecification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 7cm * 3cm * 2cm / 2.76inch * 1.18inch * 0.79inch Qty per Carton 600 Carton Weight 16.50kgs / 36.38lb Carton Size 40cm * 30cm * 22cm / 15.75inch * 11.81inch * 8.66inch Loading Container 20GP: 1010 cartons * 600 pcs = 606000 pcs 40HQ: 2344 cartons * 600 pcs = 1406400 pcs

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About The ProductNeedless to say, the Raspberry Pi is powerful enough in most cases, yet it is not that good at providing precise PWM output. You may have tried to control a robotic arm or a hexapod walker by using the Pi, but finally get frustrated due to the limited number of PWM outputs and the jittering servo. Now you get a new option to bring your ideas to life, we prepare this useful Servo Driver HAT for you. Features 1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano 2. I2C controlled, using only 2 pins 3. Up to 16-Channel servo/PWM outputs, 12-bit resolution for each channel (4096 scales) 4. Integrates 5V regulator, up to 3A output current, can be powered from battery through VIN terminal 5. Standard servo interface, supports common used servo such as SG90, MG90S, MG996R, etc. 6. Reserved I2C control pins, allows to work with other control boards 7. Comes with development resources and manual (examples in python like Bluetooth/WiFi remote control) Specifications 1. Power supply: 5V (Pi connector) OR 6V~12V (VIN terminal) 2. Servo voltage: 5V 3. Logic voltage: 3.3V 4. Driver: PCA9685 5. Control interface: I2C 6. Dimension: 65mm x 30mm 7. Mounting hole size: 3.0mm 8. Supported Servo This HAT can be used to drive servos such as: - SG90 Servo - MG90S Servo - MG996R ServoPackage List1. Servo Driver HAT x1 2. RPi screws pack (2pcs) x1 Note: Raspberry Pi and servos are NOT included.Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 6.00kgs / 13.23lb Carton Size 32cm * 22cm * 22cm / 12.6inch * 8.66inch * 8.66inch Loading Container 20GP: 1721 cartons * 200 pcs = 344200 pcs 40HQ: 3996 cartons * 200 pcs = 799200 pcs

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About The ProductNeedless to say, the Raspberry Pi is powerful enough in most cases, yet it is not that good at providing precise PWM output. You may have tried to control a robotic arm or a hexapod walker by using the Pi, but finally get frustrated due to the limited number of PWM outputs and the jittering servo. Now you get a new option to bring your ideas to life, we prepare this useful Servo Driver HAT for you. Features 1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano 2. I2C controlled, using only 2 pins 3. Up to 16-Channel servo/PWM outputs, 12-bit resolution for each channel (4096 scales) 4. Integrates 5V regulator, up to 3A output current, can be powered from battery through VIN terminal 5. Standard servo interface, supports common used servo such as SG90, MG90S, MG996R, etc. 6. Reserved I2C control pins, allows to work with other control boards 7. Comes with development resources and manual (examples in python like Bluetooth/WiFi remote control) Specifications 1. Power supply: 5V (Pi connector) OR 6V~12V (VIN terminal) 2. Servo voltage: 5V 3. Logic voltage: 3.3V 4. Driver: PCA9685 5. Control interface: I2C 6. Dimension: 65mm x 30mm 7. Mounting hole size: 3.0mm 8. Supported Servo This HAT can be used to drive servos such as: - SG90 Servo - MG90S Servo - MG996R ServoPackage List1. Servo Driver HAT x1 2. RPi screws pack (2pcs) x1 Note: Raspberry Pi and servos are NOT included.Specification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 6.00kgs / 13.23lb Carton Size 32cm * 22cm * 22cm / 12.6inch * 8.66inch * 8.66inch Loading Container 20GP: 1721 cartons * 200 pcs = 344200 pcs 40HQ: 3996 cartons * 200 pcs = 799200 pcs

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1. Compatible port: ATX (compatible with some BTX types)2. PIN code: 24 pin3. Switch: Yes4. Number of output groups: Four groups of different voltages5. Size: 128 x 48 x 30mmFeatures: 1. With power output indicator. 2. With module switch to turn off output 3.The output terminal can pass large current. 4. With output protection fuse, four groups correspond to four road output.Specification: Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 20.4cm * 11.2cm * 3.7cm / 8.03inch * 4.41inch * 1.46inch Qty per Carton 100 Carton Weight 17.50kgs / 38.58lb Carton Size 57cm * 42cm * 38cm / 22.44inch * 16.54inch * 14.96inch Loading Container 20GP: 293 cartons * 100 pcs = 29300 pcs 40HQ: 680 cartons * 100 pcs = 68000 pcs

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1. Interface compatible: RS-485, RS-232 standard2. Material: ABS3. Working mode: asynchronous half-duplex differential transmission4. Protection level: 600W lightning surge protection per line of RS-485 interface5. Transmission medium: twisted pair or shielded wire6. Transmission distance: RS-485 is less than 1200m, RS-232 is within 15m7. Transmission rate: 300-115.2kbps8. Communication mode: point-to-point/two-wire half-duplex, point-to-multipoint/two-wire half-duplex9. Scope of application: suitable for PC, terminal equipment, industrial control, digital instrument acquisition, multi-serial port equipment, serial interface of single-chip microcomputer, etc.10. Dimensions: about 51.8 x 17.8 x 35.7mm11. Weight: about 40gFeatures:1. 9-hole nickel-plated female head, wear-resistant and durable, anti-oxidation and anti-corrosion2. Twisted pair/shielded wire can be used to improve signal conversion and transmission anti-interference3. ABS material, lightning protection design4. Built-in zero-delay automatic transceiver conversion device, which automatically controls the direction of data flow through the I/O circuit5. Built-in fast voltage suppression protector TVS, non-optical isolation6. Bidirectional transmission, compatible with RS-485, RS-232 standard interfaces7. Two communication methods, stable transmission, convenient and fastSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 8cm * 5cm * 2cm / 3.15inch * 1.97inch * 0.79inch Qty per Carton 468 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 468 pcs = 82836 pcs 40HQ: 412 cartons * 468 pcs = 192816 pcs

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Features:1. Expand USB to 4-channel RS485, allowing each channel to communicate concurrently and independently2. Onboard TVS (transient voltage suppressor), effectively suppresses surge voltages and transient peak voltages in the circuit, and protects against lightning and static electricity3. Onboard self-restoring fuse and protection diode ensure stable current/voltage output, provide over-current/over-voltage protection, and improve shock-proof performance4. Onboard RS485 output terminal 120R resistor, enabled/disabled by DIP switch5. Aluminum alloy shell, oxidized matte surface, CNC process opening, sturdy and durable, excellent workmanshipProduct parameters:1. Host port: USB2. Device interface: RS4853. Baud rate: 1200bps-460800bps4. USB:Working voltage: 5VConnector: USB-BProtection: 500mA resettable fuse, ESD protectionTransmission distance: about 5m5.RS485Connector: screw terminalProtection: 600W lightning surge protection, 15KV ESD protectionTransmission distance: Maximum communication distance is about 1200m (low speed, turn on 120R resistor)Transmission method: point-to-multipoint (up to 32 nodes, repeaters are recommended for more than 16 nodes)6. Temperature: minus 40 degrees Celsius - 85 degrees Celsius7. Humidity: 5%RH-95%RH8. Operating system: Win7/8/8.1/10/11, Mac, Linux, Android9. Product size: 86.2 x 48 x 27.2mm10. Weight: 181 gramsPacking list:-USB to 4-way RS485 x1-USB Type A to Type B cable 1.2m x1Specification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 14cm * 8cm * 4cm / 5.51inch * 3.15inch * 1.57inch Qty per Carton 64 Carton Weight 14.54kgs / 32.05lb Carton Size 30cm * 34cm * 34cm / 11.81inch * 13.39inch * 13.39inch Loading Container 20GP: 768 cartons * 64 pcs = 49152 pcs 40HQ: 1785 cartons * 64 pcs = 114240 pcs

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1. Purpose: Digital power amplifier board2. Chip model: TPA31163. Input voltage: DC8-28V4. Output impedance: 4-82 ohm5. Output power: 2 x 120w6. Size: 83x60x25mm7. Weight: About 65gInstructions for use:1. Connect the power input terminal to a DC8-28V power supply. The recommended power supply is DC24V with a current of 6A, and the output power can reach 120W per channel.2. Connect the audio input terminal to the audio source, such as MP3, mobile phone, computer, etc.; it is recommended to connect the output terminal of the front power amplifier board3. Two audio output terminals are connected to two speakers respectivelySpecification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 200 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 52cm * 42cm / 16.54inch * 20.47inch * 16.54inch Loading Container 20GP: 290 cartons * 200 pcs = 58000 pcs 40HQ: 674 cartons * 200 pcs = 134800 pcs

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1. Using XL4016 switch voltage regulator chip, with MBR20100 dual rectifier, the input voltage can reach 40V and output 1.25~36V continuously adjustable2. 180KHz fixed frequency PWE step-down (step-down) DC/DC converter3. High efficiency and up to 8A load driving capacity4. Low ripple and excellent line and load regulation ability5. Built-in frequency compensation and fixed frequency oscillator6. Built-in over-current and short-circuit protection functions7. Built-in thermal shutdown function, output protection function, output overvoltage protection8. Voltage regulation method: PWM modulation9. Chip model: XL4016E110. Type: DC/DC power supply module11. Input voltage: DC4-40v12. Output range: DC1.25-36v13. Rated current: 8A14. Rated power: 200w15. Conversion efficiency: 94%16. Switching efficiency: 180Khz17. Size: 61x41x27mmSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 10cm * 6cm * 5cm / 3.94inch * 2.36inch * 1.97inch Qty per Carton 200 Carton Weight 9.00kgs / 19.84lb Carton Size 42cm * 32cm * 52cm / 16.54inch * 12.6inch * 20.47inch Loading Container 20GP: 381 cartons * 200 pcs = 76200 pcs 40HQ: 885 cartons * 200 pcs = 177000 pcs

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1. Ultra-wide input and output voltage, ultra-high conversion efficiency2. Small size and adjustable boost module, which can be easily installed in various small devices3. MicroUSB input can be used, and the common voltages of 9V, 12V, 15V, 18V, 24V can be easily obtained through the mobile phone data line with a USB charger or mobile power supply, which is very convenient to use4. Packing: individually packed in anti-static bag5. Type: voltage regulator IC6. Output current: 2A (recommended to use within 1A)7. Input voltage: 2 v--24 v8. Output voltage: 28 v (recommended to use within 26V)9. Size: 30x17x14mmPrecautions:1. This module is a boost module, the output voltage should be greater than the input voltage2. The peak current output current does not exceed 2ASpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 6cm * 4cm * 6cm / 2.36inch * 1.57inch * 2.36inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 32cm * 25cm / 16.54inch * 12.6inch * 9.84inch Loading Container 20GP: 793 cartons * 200 pcs = 158600 pcs 40HQ: 1842 cartons * 200 pcs = 368400 pcs

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1. The module uses STs L298N as the main driving chip, which has the characteristics of strong driving ability, low heat generation and strong anti-jamming ability.2. The module can use the built-in 78M05 to work through the drive power supply, but in order to avoid damage to the voltage regulator chip, when using a drive voltage greater than 12V, please use an external 5V logic power supply3. This module uses large-capacity filter capacitors and freewheeling protection diodes, which can improve reliability4. The high-voltage and high-current full-bridge driver with two bridges can be used to drive inductive loads such as DC motors, stepping motors, relay coils, etc.5. It has two enable control terminals, allowing or prohibiting the device to work without being affected by the input signal. There is a logic power input terminal to make the internal logic circuit work at low voltage.6. Features: high working voltage, large output current, using standard logic level signal control7. An external detection resistor can be connected to feedback the change to the control circuit8. Drive voltage: 5-35v9. Drive current: 2A10. Working voltage: 5v11. Working current: 0-36mA12. Storage temperature: -20 to 135 degrees Celsius13. Main control chip: L298N14. Packing: Individually packed in anti-static bag15. Rated power: 25w16. Working mode: double H-bridge drive17. Weight: 30g18. Size: 43x43x27mmSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 15cm * 10cm * 3cm / 5.91inch * 3.94inch * 1.18inch Qty per Carton 100 Carton Weight 8.00kgs / 17.64lb Carton Size 52cm * 32cm * 32cm / 20.47inch * 12.6inch * 12.6inch Loading Container 20GP: 500 cartons * 100 pcs = 50000 pcs 40HQ: 1162 cartons * 100 pcs = 116200 pcs

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1. Working voltage: 3.7~24VDC2. Bluetooth version: 5.03. Transmission distance: 15 meters (visible without obstruction)4. Signal to noise ratio: greater than or equal to 90dB5. Distortion: less than or equal to -70dB6. Number of channels: dual channel (stereo)7. Audio interface: 3.5mm audio interface8. Module protection mechanism: Power reverse connection protection9. Interface description:- Power supply can use Micro-USB mobile phone charger, 3.7-4.2V lithium battery, 3.7-24V DC power supply, you can choose one of the three.- Short the "on/off contact" for 2 seconds to set the decoder board on/off. For battery-powered situations, turning off when not in use will save power and facilitate modification.Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 36cm * 37cm / 20.47inch * 14.17inch * 14.57inch Loading Container 20GP: 385 cartons * 200 pcs = 77000 pcs 40HQ: 893 cartons * 200 pcs = 178600 pcs

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1. Onboard TDA2030A audio power amplifier chip2. Mono 18W power amplifier circuit design3. Onboard speaker terminal block4. Onboard 10K adjustable resistor, you can adjust the amplified volume5. Onboard power indicator6. The main pins of the chip have been led out, you can directly input audio signals7. Working voltage: 6～12VSpecification: Package Weight One Package Weight 0.10kgs / 0.22lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 100 pcs = 38100 pcs 40HQ: 885 cartons * 100 pcs = 88500 pcs

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Parameter:1. Power supply voltage: DC 3.7-5V2. Power supply interface: MICRO USB port or 2.54mil pin port3. Length, width and height: 3.3x3.5x1.1cm4. Bluetooth name: BM35. Bluetooth password: 1688 (you need to enter the password to connect and cannot be modified)6. Communication distance: 3-12 meters (different due to environmental obstacles)7. Support Bluetooth version: Support Bluetooth 4.1 or below8. Support mobile phone system: Android, IOS system9. Channel: dual channel10. Audio quality: MP3 lossless decoding11. Built-in power amplifier: none12. External power amplifier: does not limit the small external power amplifier13. PCB thickness: 1.6mm14. Needle spacing: 2.54milFeatures:1. Have a Bluetooth connection password to prevent others from mistakenly connecting and operating.2. Ultra-small size, easy to be embedded in modified products3. Two-channel stereo output, compatible with most power amplifiers, home audio and video, car audio and other equipment in the market4. Standard MICRO MINI USB 5P interface, the same Android phone charging port can be powered by the phone data cable5. Specific DIY embedded refitting pins, which can be plugged in and soldered on your own circuit board for refitting6. High-fidelity output circuit, resistance-capacitance isolation, no noise, good sound quality7. Wireless plug-in U disk, memory card and button settings, pure mobile phone operation connection to play MP38. Equipped with 1 status pin, which can be used by professionals, such as combining single-chip microcomputer and relay switch to realize music desk lamp.Application scenarios:- Car audio modification, home audio modification- Personal DIY Bluetooth audio, electronic project production- Square dance sound, outskirt sound modificationSpecification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 12cm * 10cm * 2cm / 4.72inch * 3.94inch * 0.79inch Qty per Carton 100 Carton Weight 9.00kgs / 19.84lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 100 pcs = 62000 pcs 40HQ: 1439 cartons * 100 pcs = 143900 pcs

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1. Working voltage: 3.7~24VDC2. Bluetooth version: 5.03. Transmission distance: 15 meters (visible without obstruction)4. Signal to noise ratio: greater than or equal to 90dB5. Distortion: less than or equal to -70dB6. Number of channels: dual channel (stereo)7. Audio interface: 3.5mm audio interface8. Module protection mechanism: Power reverse connection protection9. Interface description:- Power supply can use Micro-USB mobile phone charger, 3.7-4.2V lithium battery, 3.7-24V DC power supply, you can choose one of the three.- Short the "on/off contact" for 2 seconds to set the decoder board on/off. For battery-powered situations, turning off when not in use will save power and facilitate modification.Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 36cm * 37cm / 20.47inch * 14.17inch * 14.57inch Loading Container 20GP: 385 cartons * 200 pcs = 77000 pcs 40HQ: 893 cartons * 200 pcs = 178600 pcs

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1. The working voltage is DC 10V-35V. It is recommended to use a switching power supply DC24V for power supply.2. Using 6N137 high-speed optical coupling to ensure high speed without losing step.3. Using Toshiba TB6560AHQ chip, there are built-in low-voltage shutdown, overheating shutdown and overcurrent protection circuits to ensure performance.4. The rated output (max) is: +/-3A, with a vertex value of 3.5A.5. It is suitable for two-phase/four-phase/four-wire/six-wire stepping motor with 42,57 stepping within 3A, but not suitable for stepping motor with more than 3A.6. Automatic half-flow function.7. Subdivision: Full step, half step, 1/8 step, 1/16 step, maximum 16 subdivision.8. Dimensions: Width 50 x length 75 x height 35 (MM)9. Weight: 83G10. This module does not have any protection circuit, so you must be very careful when using it, otherwise the chip is easy to burn out.Features in similar products:1. The current level can be adjusted step by step to meet your multiple application requirements.2. Automatic half flow is adjustable.3. Using 6N137 high-speed optical coupling to ensure high speed without losing step.4. The board printing instructions can be operated without manual.5. Adopt thick and densely toothed radiator for good heat dissipation.Specification: Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 25cm * 15cm * 3cm / 9.84inch * 5.91inch * 1.18inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 32cm * 32cm / 20.47inch * 12.6inch * 12.6inch Loading Container 20GP: 500 cartons * 100 pcs = 50000 pcs 40HQ: 1162 cartons * 100 pcs = 116200 pcs

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1. Soft start function2. Conversion efficiency reaches 97%3. 220Khz switching frequency4. Built-in synchronous switch step-down converter chip5. Output voltage range: 3V to 12V, automatically adjusted according to the fast charge protocol6. Used in car chargers, fast charging adapters, smart power strips, solar chargers, etc.7. This module is a 4-way pressure drop fast charging module, please use 12V-30V DC power supply, and the positive and negative poles cannot be reversed.8. Input voltage range: 4.5V to 32V (the input voltage must be higher than the output voltage, because it is a voltage drop module)9. Multiple protections, high reliability, output over current, input over voltage, input under voltage, output short circuit protection, over temperature protection of the whole machine10. The output has CV/CC characteristics (output current is less than the set value, output CV mode; output current is greater than the set value, output CC mode)11. PCB adopts FR-4 1.6mm thickness design, optimized layout and wiring, tight design, open window on the back for heat dissipation, low full load working temperature, standby current 0.013A, module has output voltage compensation function12. Each of the four channels supports QC 3.0 fast charging protocol, and can support fast charging at the same time, and can output 5V/9V/12V (requires mobile phone protocol support) voltage, output current is adaptive, single channel power consumption 24W, 4 channels module Power consumption 96WSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 10cm * 6cm * 2cm / 3.94inch * 2.36inch * 0.79inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 32cm * 42cm / 20.47inch * 12.6inch * 16.54inch Loading Container 20GP: 381 cartons * 200 pcs = 76200 pcs 40HQ: 885 cartons * 200 pcs = 177000 pcs

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1. Three-in-one electronic clock module, integrating three practical functions: time, thermometer and voltmeter2. Using RX8025T clock chip, the timing accuracy is stable3. The lengthened temperature probe can effectively solve the problem that the temperature affected by the module temperature is not accurate enough4. Power supply voltage: DC5.0-30V5. Temperature function range: -40-120 degrees Celsius, resolution 0.16. Voltmeter function range: DC5-30V (requires pure DC power supply, it is not recommended to use 24V battery, because the voltage may be too high during charging and burn)7. Size: about 4x1.4x1.3cmFunction and usage instructions:1. Adjust time, date, year, voltage error, temperature error cycle display item definition, alternate display interval time2. In the non-setting state, press the left key to enter the time adjustment (note that the colon in the middle is bright):- At this time, the minute bar starts to flash, press the right button to increase, the adjustment range is 00-59, after adjusting, press the left button again, the hour bar starts to flash, press the right button to increase, the adjustment range is 00-23- After adjusting the hour, press the left button again to enter the date adjustment (note that the colon in the middle is off), at this time the date column starts to flash, press the right button to increase, the adjustment range is 1-31, after the date is adjusted, press the left button again key, the month column starts to flash, press the right key to increase, the adjustment range is 1-12, after adjusting the date, press the left key again, the year column starts to flash, press the right key to increase, the adjustment range is 2012-2049- After adjusting the year, press the left key again to enter the error calibration function of the displayed voltage, the unit is 0.1V, a positive number means increase, and a negative number means decrease- Then press the left key again to enter the temperature error calibration setting, press the right key to increase, a positive number means increase, a negative number means decrease, the unit is Celsius- Press the left button again to enter the definition function dd option of the display item in the cycle display state,Press the right button to change the value: (dd:0) time + temperature + voltage, (dd: 1) time + temperature, (dd: 3) time + voltage- Press the left button again to enter the cycle display alternate interval time dF option, press the right button to change the value, the larger the value, the longer the interval- Press the left button again to save all the set values ??and return to the normal display state3. Switch display items: in the non-setting state, press the right key to switch the display items, and the display will switch between the time-date-temperature-voltage alternate displaySpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 6cm * 3cm * 3cm / 2.36inch * 1.18inch * 1.18inch Qty per Carton 500 Carton Weight 12.00kgs / 26.46lb Carton Size 47cm * 23cm * 23cm / 18.5inch * 9.06inch * 9.06inch Loading Container 20GP: 1072 cartons * 500 pcs = 536000 pcs 40HQ: 2489 cartons * 500 pcs = 1244500 pcs

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1. Input voltage: 6.5-36V (the input voltage is lower than 6.5V, the current accuracy is inaccurate, and the LCD display is abnormal if it is lower than 5.5V)2. Output voltage: 1.2-32V, the default output is 5V step-down type, the output voltage can only be lower than the input voltage, and the voltage difference is more than 2V3. Output current: It can work stably at 3.5A for a long time, and it can reach about 4.5A with fan enhanced heat dissipation (adjustable limit current can reach about 4.2-4.5A)4. Output power: natural heat dissipation 50W (within 3.5A), plus fan to enhance heat dissipation 75W5. Voltage display: resolution 0.05V, range 1.2-32V6. Current display: resolution 0.005A, range 0-4.5A7. Conversion efficiency: about 94%, depending on the voltage difference and current efficiency8. Working current: about 30mA9. Input reverse polarity protection: yes10. Anti-backflow at the output: no (if charging the battery, first power on the module and then connect the battery, and ensure that the battery voltage is lower than the output voltage; if possible, connect an anti-backflow diode in series with the output positive pole)11. Short circuit protection: yes12. Size: about 70.5x48.4x28mm13. Weight: about 65g Features:1. Crystal shell, beautiful design, good touch texture of buttons, and output voltage set by button2. The button can control the output to turn off and on, and can set the power-on default to ON or OFF3. LCD can display input and output voltage, output current and output power4. The input terminal is protected against reverse connection, and the reverse connection will not burn5. High efficiency, high current, low heat generation, constant current value can be adjusted around 0-4.5A, suitable for office power supply, high-power LED constant current drive, lithium battery charging, etc.Function Description:1. There are IN/OUT and ON/OFF buttons on the left side of the module: the IN/OUT button switches the display of input voltage and output voltage, long press to switch the display of output current and output power; the ON/OFF button controls the output ON or OFF, long press Press to set the default output state is ON or OFF at the next power-on2. There are +/- two buttons on the right side of the module: + button press the output voltage to increase 0.05V, long press to continuously increase, and then long press to continuously increase 0.1V, 1V in slow steps; - button press the output voltage Decrease 0.05V, long press to continuously decrease, and then long press to continuously decrease 0.1V, 1V in slow steps3. ADJ-I is the current setting potentiometer. Turn clockwise to increase the set current. When the load current reaches the set current, it enters the constant current state, and the CC constant current indicator (red) lights up. The OUT indicator is the output status indicator, it is on when there is voltage at the output terminal, otherwise it is off; the CHAR indicator is the charging indicator, which is on when charging, and the FULL indicator is the full indicator. If the set constant current value is 2A, charging When the current reaches below 0.2A, turn the light, the FULL indicator is on, and the CHAR indicator is offInstructions:1. Use as an ordinary step-down module with overcurrent protection capability- Press the button to set the output voltage to the desired voltage value- Rotate the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current range of the multimeter (connect the two test leads directly to the output terminal), and adjust the ADJ-I constant current potentiometer clockwise to make the output The current reaches the overcurrent protection value you want to set. (For example, the current value displayed by the multimeter is 2A, then the current can only reach 2A when the module is used, and the red constant current indicator light is on when the current reaches 2A, otherwise the indicator light is off) 2. Use as a battery charger- The module without constant current function cannot be used to charge the battery. Because the voltage difference between the exhausted battery and the charger is very large, the charging current is too large and the battery is damaged, so the battery should be used at the beginning. Constant current charging, when the charging reaches a certain level, it will automatically switch back to constant voltage charging- Determine the float voltage and charging current of the battery to be recharged; (if the lithium battery parameter is 3.7V/2200mAh, then the float voltage is 4.2V, and the charging current can reach 1C, that is, 2200mA)- Under no-load conditions, the output voltage of the button reaches the floating charge voltage; (if charging a 3.7V lithium battery, adjust the output voltage to 4.2V)- First turn the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current range of the multimeter (just connect the two test leads to the output terminal directly), and adjust the ADJ-I constant current potentiometer clockwise to make the output The current reaches the predetermined charging current value- Connect the battery and charge (when setting: no battery is connected to the output terminal)3. Used as a high-power LED constant current driver module- Determine the operating current and operating voltage needed to drive the LED- Under no-load conditions, press the button to set the output voltage to reach the LED working voltage- First turn the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current range of the multimeter (just connect the two test leads to the output terminal directly), and adjust the ADJ-I constant current potentiometer clockwise to make the output The current reaches the predetermined LED operating current- Connect the LED, test the machine (when setting: output no-load, do not connect the LED light) Precautions: 1. It is forbidden to short-circuit the input IN- of the module with the output OUT-, otherwise the constant current function will fail 2. Make sure that the power of the power supply is always greater than the power required by the output load. When the module is seriously hot, please reduce the power usage.Specification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 10cm * 10cm * 3cm / 3.94inch * 3.94inch * 1.18inch Qty per Carton 404 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 404 pcs = 71508 pcs 40HQ: 412 cartons * 404 pcs = 166448 pcs

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1. Three-in-one electronic clock module, integrating three practical functions: time, thermometer and voltmeter2. Using RX8025T clock chip, the timing accuracy is stable3. The lengthened temperature probe can effectively solve the problem that the temperature affected by the module temperature is not accurate enough4. Power supply voltage: DC5.0-30V5. Temperature function range: -40-120 degrees Celsius, resolution 0.16. Voltmeter function range: DC5-30V (requires pure DC power supply, it is not recommended to use 24V battery, because the voltage may be too high during charging and burn)7. Size: about 4x1.4x1.3cmFunction and usage instructions:1. Adjust time, date, year, voltage error, temperature error cycle display item definition, alternate display interval time2. In the non-setting state, press the left key to enter the time adjustment (note that the colon in the middle is bright):- At this time, the minute bar starts to flash, press the right button to increase, the adjustment range is 00-59, after adjusting, press the left button again, the hour bar starts to flash, press the right button to increase, the adjustment range is 00-23- After adjusting the hour, press the left button again to enter the date adjustment (note that the colon in the middle is off), at this time the date column starts to flash, press the right button to increase, the adjustment range is 1-31, after the date is adjusted, press the left button again key, the month column starts to flash, press the right key to increase, the adjustment range is 1-12, after adjusting the date, press the left key again, the year column starts to flash, press the right key to increase, the adjustment range is 2012-2049- After adjusting the year, press the left key again to enter the error calibration function of the displayed voltage, the unit is 0.1V, a positive number means increase, and a negative number means decrease- Then press the left key again to enter the temperature error calibration setting, press the right key to increase, a positive number means increase, a negative number means decrease, the unit is Celsius- Press the left button again to enter the definition function dd option of the display item in the cycle display state,Press the right button to change the value: (dd:0) time + temperature + voltage, (dd: 1) time + temperature, (dd: 3) time + voltage- Press the left button again to enter the cycle display alternate interval time dF option, press the right button to change the value, the larger the value, the longer the interval- Press the left button again to save all the set values ??and return to the normal display state3. Switch display items: in the non-setting state, press the right key to switch the display items, and the display will switch between the time-date-temperature-voltage alternate displaySpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 6cm * 3cm * 3cm / 2.36inch * 1.18inch * 1.18inch Qty per Carton 500 Carton Weight 12.00kgs / 26.46lb Carton Size 47cm * 23cm * 23cm / 18.5inch * 9.06inch * 9.06inch Loading Container 20GP: 1072 cartons * 500 pcs = 536000 pcs 40HQ: 2489 cartons * 500 pcs = 1244500 pcs

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1. Working voltage: DC 5-36V2. Trigger signal source: high-level trigger (DC 3.0V-24V) signal ground and system ground are not common to improve the anti-interference ability of the system (you can also short-circuit the common ground by yourself)3. Output capacity: DC 5V--36V, continuous current 15A at room temperature, power 400W, under auxiliary cooling conditions, the current can reach 30A4. Quiescent current: 15mA5. With optocoupler isolation, enhance anti-interference ability, industrial-grade circuit board, set parameters will be remembered forever after power off6. Size: about 6x3.4x1.2cm7. Note: The module is an active live output, the voltage of the output terminal (load terminal) is equal to the input terminal voltage (DC 5V--36V)Features:1. Realize high-frequency, fast and frequent on-off of the circuit2. The on-off process will not produce noise, no electrical sparks, and no electromagnetic interference.3. Adopt dual MOS parallel active output, lower internal resistance, higher current, strong power, 15A, 400W at room temperature, which meets the use of most equipment4. It is used to control motors, light bulbs, LED strips, DC motors, micro water pumps, solenoid valves, etc. Through this module, these devices can be easily controlled, which is very convenient5. Wide voltage operation (5-36V), most devices can be used, very convenient6. The interface is clear and simple, powerful and easy to operate7. One-key emergency stop function (STOP key), with reverse connection protection, reverse connection will not burn8. Added sleep mode, after enabling, if there is no operation within 5 minutes, the display will be automatically turned off, and any key will wake up9. Different OP, CL, LOP parameters can be set, these parameters are independent of each other and saved separately10. All setting parameters are automatically saved after power offSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 10cm * 6cm * 2cm / 3.94inch * 2.36inch * 0.79inch Qty per Carton 500 Carton Weight 17.00kgs / 37.48lb Carton Size 30cm * 50cm * 56.7cm / 11.81inch * 19.69inch * 22.32inch Loading Container 20GP: 313 cartons * 500 pcs = 156500 pcs 40HQ: 727 cartons * 500 pcs = 363500 pcs

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1. Input voltage range: 6.00-60.00V2. Adjustable output voltage range: 0-50.00V3. Output power range: 0-1000W4. Adjustable output current range: 0-20.00A5. Output voltage resolution: 0.01V6. Output current resolution: 0.01A7. With power-down storage function, it can store 10 sets of preset values, and can quickly extract two sets of stored values.8. The LCD display on the module has digital voltmeter and ammeter functions9. In the output status reminder area, you can check the preset voltage, input voltage, output voltage, preset current, output current, output power, etc., you can see whether the output is on or not, the constant voltage and constant current status, whether the output is normal, and whether the key is pressed. lock, the data group currently in use10. In the setting data interface, you can adjust the overvoltage value, overcurrent value, overpower value, data setting and LCD brightness11. The module has the advantages of small size, advanced functions, good visual effects, high operability, high precision, independent use, embedded equipment, and wide application.12. Fixing hole center distance: 86mm, 64mm13. Display module size: 79x43x41mm14. Opening size: 71x39mm15. Power module size: 93x71x41mm16. Cable length: 200mm17. Product weight: about 222Specification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 13cm * 11cm * 6cm / 5.12inch * 4.33inch * 2.36inch Qty per Carton 118 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 118 pcs = 20886 pcs 40HQ: 412 cartons * 118 pcs = 48616 pcs

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1. Material: electronic components2. Gain: 2.0dBi3. Frequency range: 1060-1120 MHz4. The antenna can be fixed on a conductive object connected to the ground, which can reduce electrostatic coupling interference5. Size: 17.9 x 2cm6. Weight: about 15 gramsSpecification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 20cm * 4cm * 2cm / 7.87inch * 1.57inch * 0.79inch Qty per Carton 500 Carton Weight 14.00kgs / 30.86lb Carton Size 30cm * 50cm * 46.7cm / 11.81inch * 19.69inch * 18.39inch Loading Container 20GP: 380 cartons * 500 pcs = 190000 pcs 40HQ: 883 cartons * 500 pcs = 441500 pcs

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Features1. Function of this aluminum heat sink is to cool down the board and make it operate safely 2. The aluminum heat sink can reduce the risk of hardware failure because of overheating 3. Essential for high-performance computing: Keeps module temperatures low to avoid overheating and throttling. 4. Safe for use: Spring mounting interface keeps excessive pressure off the Jetson Nano module. 5. Compatible with Jetson Nano Module, with elastic bracket and height-limited screws 6. Easy to install: Mounting holes & screws included.Package List1. NANO-HEATSINK x1 2. Elastic bracket and height-limited screws x1Specification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 17.00kgs / 37.48lb Carton Size 45cm * 32cm * 32cm / 17.72inch * 12.6inch * 12.6inch Loading Container 20GP: 578 cartons * 200 pcs = 115600 pcs 40HQ: 1343 cartons * 200 pcs = 268600 pcs

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Features1. Adopt new version CH343G chip. Compared with CH340G, it supports higher data rate (up to 6Mbps) and more serial port IO levels (5V / 3.3V / 2.5V / 1.8V) 2. Support Mac, Linux, Android, Windows 7/8/8.1/10/11 3. Onboard resettable Fuse and Transient Voltage Suppressor, anti-overcurrent and anti-overvoltage, anti-surge, anti-static, improve shock resistance, stable and safe communication performance 4. Onboard IO protection circuits, anti-surge, anti-static, stable and safe communication performance 5. Onboard 3.3V and 5V TTL level switch pins for selecting TTL communication level 6. Support 3.3V/5V output (the module is powered by USB, and the onboard jumper should be shorted to 3.3V or 5V accordingly) 7. Adopt double-sided black immersion gold process, which is durable and has a good lookIndictor Description1. PWR: Power indicator, turn on when the voltage is detected from USB interface 2. RXD: Receiving indicator, turn on when data is sent back from the device interface 3. TXD: Sending indicator, turn on when data is sent from USBPinouts Definition1. VCC: 5V or 3.3V output for external device (configured by jumper) 2. GND: Ground 3. TXD: Connects to MCU.RXD 4. RXD: Connects to MCU.TXD 5. RTS: Connects to MCU.CTS 6. CTS: Connects to MCU.RTSSpecifications1. Host interface: USB 2. Device interface: UART 3. Communication range: 50bps ~ 6Mbps 4. USB device interface: Micro USB 5. Protection: resettable Fuse, ESD protection 6. UART interface connector: 6-pin right-angle pinheader 7. Protection: IO protection diodeSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 15cm * 12cm * 1cm / 5.91inch * 4.72inch * 0.39inch Qty per Carton 400 Carton Weight 7.00kgs / 15.43lb Carton Size 52cm * 35cm * 35cm / 20.47inch * 13.78inch * 13.78inch Loading Container 20GP: 418 cartons * 400 pcs = 167200 pcs 40HQ: 971 cartons * 400 pcs = 388400 pcs

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Features1. Adopt new version CH343G chip. Compared with CH340G, it supports higher data rate (up to 6Mbps) and more serial port IO levels (5V / 3.3V / 2.5V / 1.8V) 2. Support Mac, Linux, Android, Windows 7/8/8.1/10/11 3. Onboard resettable Fuse and Transient Voltage Suppressor, anti-overcurrent and anti-overvoltage, anti-surge, anti-static, improve shock resistance, stable and safe communication performance 4. Onboard IO protection circuits, anti-surge, anti-static, stable and safe communication performance 5. Onboard 3.3V and 5V TTL level switch pins for selecting TTL communication level 6. Support 3.3V/5V output (the module is powered by USB, and the onboard jumper should be shorted to 3.3V or 5V accordingly) 7. Adopt double-sided black immersion gold process, which is durable and has a good lookIndictor Description1. PWR: Power indicator, turn on when the voltage is detected from USB interface 2. RXD: Receiving indicator, turn on when data is sent back from the device interface 3. TXD: Sending indicator, turn on when data is sent from USBPinouts Definition1. VCC: 5V or 3.3V output for external device (configured by jumper) 2. GND: Ground 3. TXD: Connects to MCU.RXD 4. RXD: Connects to MCU.TXD 5. RTS: Connects to MCU.CTS 6. CTS: Connects to MCU.RTSSpecifications1. Host interface: USB 2. Device interface: UART 3. Communication range: 50bps ~ 6Mbps 4. USB device interface: Mini USB 5. Protection: resettable Fuse, ESD protection 6. UART interface connector: 6-pin right-angle pinheader 7. Protection: IO protection diodeSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 15cm * 12cm * 1cm / 5.91inch * 4.72inch * 0.39inch Qty per Carton 400 Carton Weight 7.00kgs / 15.43lb Carton Size 52cm * 35cm * 35cm / 20.47inch * 13.78inch * 13.78inch Loading Container 20GP: 418 cartons * 400 pcs = 167200 pcs 40HQ: 971 cartons * 400 pcs = 388400 pcs

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Features1. Adopt new version CH343G chip. Compared with CH340G, it supports higher data rate (up to 6Mbps) and more serial port IO levels (5V / 3.3V / 2.5V / 1.8V) 2. Support Mac, Linux, Android, Windows 7/8/8.1/10/11 3. Onboard resettable Fuse and Transient Voltage Suppressor, anti-overcurrent and anti-overvoltage, anti-surge, anti-static, improve shock resistance, stable and safe communication performance 4. Onboard IO protection circuits, anti-surge, anti-static, stable and safe communication performance 5. Onboard 3.3V and 5V TTL level switch pins for selecting TTL communication level 6. Support 3.3V/5V output (the module is powered by USB, and the onboard jumper should be shorted to 3.3V or 5V accordingly) 7. Adopt double-sided black immersion gold process, which is durable and has a good lookIndictor Description1. PWR: Power indicator, turn on when the voltage is detected from USB interface 2. RXD: Receiving indicator, turn on when data is sent back from the device interface 3. TXD: Sending indicator, turn on when data is sent from USBPinouts Definition1. VCC: 5V or 3.3V output for external device (configured by jumper) 2. GND: Ground 3. TXD: Connects to MCU.RXD 4. RXD: Connects to MCU.TXD 5. RTS: Connects to MCU.CTS 6. CTS: Connects to MCU.RTSSpecifications1. Host interface: USB 2. Device interface: UART 3. Communication range: 50bps ~ 6Mbps 4. USB device interface: USB Type-C 5. Protection: resettable Fuse, ESD protection 6. UART interface connector: 6-pin right-angle pinheader 7. Protection: IO protection diodeSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 15cm * 12cm * 1cm / 5.91inch * 4.72inch * 0.39inch Qty per Carton 400 Carton Weight 7.00kgs / 15.43lb Carton Size 52cm * 35cm * 35cm / 20.47inch * 13.78inch * 13.78inch Loading Container 20GP: 418 cartons * 400 pcs = 167200 pcs 40HQ: 971 cartons * 400 pcs = 388400 pcs

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Features1. Adopt new version CH343G chip. Compared with CH340G, it supports higher data rate (up to 6Mbps) and more serial port IO levels (5V / 3.3V / 2.5V / 1.8V) 2. Support Mac, Linux, Android, Windows 7/8/8.1/10/11 3. Onboard resettable Fuse and Transient Voltage Suppressor, anti-overcurrent and anti-overvoltage, anti-surge, anti-static, improve shock resistance, stable and safe communication performance 4. Onboard IO protection circuits, anti-surge, anti-static, stable and safe communication performance 5. Onboard 3.3V and 5V TTL level switch pins for selecting TTL communication level 6. Support 3.3V/5V output (the module is powered by USB, and the onboard jumper should be shorted to 3.3V or 5V accordingly) 7. Adopt double-sided black immersion gold process, which is durable and has a good lookSpecifications1. Host interface: USB 2. Device interface: UART 3. Communication range: 50bps ~ 6Mbps 4. USB device interface: USB Type-A 5. Protection: resettable Fuse, ESD protection 6. UART interface connector: 6-pin right-angle pinheader 7. Protection: IO protection diodeIndictor Description1. PWR: Power indicator, turn on when the voltage is detected from USB interface 2. RXD: Receiving indicator, turn on when data is sent back from the device interface 3. TXD: Sending indicator, turn on when data is sent from USBPinouts Definition1. VCC: 5V or 3.3V output for external device (configured by jumper) 2. GND: Ground 3. TXD: Connects to MCU.RXD 4. RXD: Connects to MCU.TXD 5. RTS: Connects to MCU.CTS 6. CTS: Connects to MCU.RTSSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 15cm * 12cm * 1cm / 5.91inch * 4.72inch * 0.39inch Qty per Carton 400 Carton Weight 7.00kgs / 15.43lb Carton Size 52cm * 35cm * 35cm / 20.47inch * 13.78inch * 13.78inch Loading Container 20GP: 418 cartons * 400 pcs = 167200 pcs 40HQ: 971 cartons * 400 pcs = 388400 pcs

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1. Design with good heat dissipation, do not have to install the cooling fan or heatsink. 2. This case is constructed out of high quality aluminum material. 3. Suitable for Raspberry Pi 4 only 4. Access to all ports of Raspberry Pi 4 5. Cable interface is reserved, support to install cable. Note: Please insert the Micro SD card to Raspberry Pi before installing the case.Specification: Package Weight One Package Weight 0.15kgs / 0.33lb One Package Size 15cm * 12cm * 5cm / 5.91inch * 4.72inch * 1.97inch Qty per Carton 100 Carton Weight 15.00kgs / 33.07lb Carton Size 52cm * 42cm * 42cm / 20.47inch * 16.54inch * 16.54inch Loading Container 20GP: 290 cartons * 100 pcs = 29000 pcs 40HQ: 674 cartons * 100 pcs = 67400 pcs

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FeaturesBy nightfall, the dazzling neon lights of the streets and alleys illuminate the whole city making it more dynamic. Obviously, the Full-Color LED Matrix Panel is playing an important role. Maybe be on the doors of shops, maybe be on the bus or the taxi, you can always see animations or advertisement videos. Does it look cool? Why not have a try? 1. 4096 individual RGB LEDs, full-color display, adjustable brightness 2. 64 x 64 pixels, 3mm pitch, allows displaying text, colorful image, or animation 3. 192 x 192mm dimensions, moderate size, suitable for DIY desktop display or wall mount display 4. Onboard two HUB75 header, one for controller data input, one for output, chain support 5. Provides open source development resources and tutorials, for use with Raspberry Pi, Arduino, and so onSpecifications1. Dimensions: 192mm x 192mm 2. Pixels: 64 x 64=4096 dots 3. Spacing: 3mm 4. Pixel form: 1R1G1B 5. Viewing angle: greater than or equal to 160 degrees 6. Control Type: Synchronous 7. Driving: 1/32 scan 8. Connector: HUB75 9. Power supply: 5V / 4A (VH4 connector input) 10. Power: less than or equal to 20WPackage List1. RGB-Matrix-P3-64x64 LED matrix and accessories x 1 2. Power supply terminal adapter x 1 3. 16P wire about 30cm x 1Specification: Package Weight One Package Weight 0.31kgs / 0.68lb One Package Size 20cm * 15cm * 4cm / 7.87inch * 5.91inch * 1.57inch Qty per Carton 40 Carton Weight 13.00kgs / 28.66lb Carton Size 42cm * 32cm * 35cm / 16.54inch * 12.6inch * 13.78inch Loading Container 20GP: 566 cartons * 40 pcs = 22640 pcs 40HQ: 1316 cartons * 40 pcs = 52640 pcs

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Features1. The RS485 TO LTE CAT4 (EU) is a DIN Rail mounted RS485 cellular modem with European bands, which can realize the data transmission between RS485 and 4G Network. 2. Reliable Serial to 4G Cellular Communication. 3. With RS485 interfaces, full network coverage, wide temperature and wide voltage, multi center transmission. 4. Provides wireless data communications between field serial devices and the central control system to enable remote control of industrial field sites. 5. It is ideal for M2M and IoT applications including distribution automation, smart metering, water & wastewater, heating, street light monitoring and etc.Specifications1. Models: RS485 TO LTE CAT4 (EU) 2. Applicable regions: EMEA, Kor, Thailand, India, Southeast Asia 3. LTE Category: LTE Cat.4 4. Frequency Bands: - LTE FDD: B1/B3/B7/B8/B20/B28A - LTE TDD: B38/B40/B41 - WCDMA: B1/B8 - GSM: B3/B8 5. Transmission Speed: - LTE-FDD: 150Mbps(DL)/50Mbps(UL) - LTE-TDD: 130Mbps(DL)/30Mbps(UL) - DC-HSDPA: 42Mbps (DL) - HSUPA: 5.76Mbps (UL) - WCDMA: 384Kbps(DL)/384Kbps(UL) - GSM(EDGE): 296Kbps (DL)/236.8Kbps (UL) - GSM (GPRS): 107Kbps (DL)/85.6Kbps (UL) Serial Parameters 1. Interface form: RS485(Terminal) x 1 2. Data Bits: 8 3. Stop Bits: 1,2 4. Parity Bits: NONE,ODD,EVEN 5. Baud Rate: 2400~230400 6. Physical Interfaces: SIM/USIM card 1.8V/3V 7. Antenna: SMA Female 8. USB: USB 2.0 9. Indicators: POWER,WORK,NET,LINK,RSSI 10. Reload: Button Hardware Characteristics: 1. Input Voltage: 9V~36V 2. Connector: Terminal 3. Housing material: ABS Plastic 4. Dimensions(mm) L x W x H: 109.66 x 28 x 64.71 mm 5. Operating temperature: -30 degree C~+75 degree C 6. Storage Temperature: -40 degree C~+85 degree C 7. Operating humidity: 5%~95% 9. Storage humidity: 5%~95%Specification: Package Weight One Package Weight 0.25kgs / 0.55lb One Package Size 20cm * 15cm * 4cm / 7.87inch * 5.91inch * 1.57inch Qty per Carton 40 Carton Weight 9.80kgs / 21.61lb Carton Size 42cm * 32cm * 35cm / 16.54inch * 12.6inch * 13.78inch Loading Container 20GP: 566 cartons * 40 pcs = 22640 pcs 40HQ: 1316 cartons * 40 pcs = 52640 pcs

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Features1. Function of this aluminum heat sink is to cool down the board and make it operate safely 2. The aluminum heat sink can reduce the risk of hardware failure because of overheating 3. Essential for high-performance computing: Keeps module temperatures low to avoid overheating and throttling. 4. Easy to install: Mounting holes & screws included. 5. Matching with CM4 on size and mounting holes, fast heat dissipationPackage List1. CM4-HEATSINK-B x 1 2. Screws and thermal tapes x 1Specification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 12.00kgs / 26.46lb Carton Size 45cm * 32cm * 32cm / 17.72inch * 12.6inch * 12.6inch Loading Container 20GP: 578 cartons * 200 pcs = 115600 pcs 40HQ: 1343 cartons * 200 pcs = 268600 pcs

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FeaturesThis is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to HTTPD Client, etc. With RS485, WIFI and Ethernet ports, the module can realize functions such as serial to WIFI, serial to Ethernet, Ethernet to WIFI and so on. Using screw terminals for power input, it supports 5~36V wide range power supply. Rail-mount V0 flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...SpecificationsOutline: 1. Communication interface: RS485, screw terminal 2. Power supply: 5 ~ 36V DC, screw terminal 3. Case: PC + ABS, V0 flame retardant grade 4. Dimensions: L x W x H: 109.66 x 28 x 64.71 mm Comunication: 1. Ethernet: 10 / 100M auto-negotiation RJ45 connector 2. WIFI: 802.11b/g/n compliant 3. Serial port: RS485 interface (Anti-surge, Lightningproof, Over-current protection) Wireless specification: 1. Frequency Band: 2.412 ~ 2.484 GHz 2. Wireless network: Station / AP / AP+Station Mode 3. Security mechanism: WPA-PSK / WPA2-PSK 4. Encryption type: TKIP / AES 5. Transmitting power: - 802.11b: +19dBm (11Mbps) - 802.11g: +18dBm (54Mbps) - 802.11n: +17dBm (HT20, MCS7); +17dBm (HT40, MCS7) 6. Receiving sensitivity: - 802.11b: -89dBm (11Mbps) - 802.11g: -81dBm (54Mbps) - 802.11n: -73dBm (HT20, MCS7); -71dBm (HT40, MCS7) Serial specification: 1. Baudrate: 300 ~ 460800 bps 2. Parity bit: None, odd, even, mark, space 3. Data bit: 5 ~ 9 bits 4. Flow control: N/A Software 1.Protocol: TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT 2. Configuration: Host, web browser, serial AT command 3. Communication method: TCP/IP direct communication, VCOM 4. Operating mode: Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU Environmental requirements 1. Working temperature: -40 ~ 85 degree C 2. Storage temperature: -45 ~ 125 degree C 3. Humidity range: 5% ~ 95% relative humidityPackage List1. RS485 TO WIFI/ETH x 1 2. Antenna x 1Specification: Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 100 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 50cm * 32cm / 16.54inch * 19.69inch * 12.6inch Loading Container 20GP: 396 cartons * 100 pcs = 39600 pcs 40HQ: 921 cartons * 100 pcs = 92100 pcs

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1. Dedicated all-In-one aluminum alloy cooling fan for Raspberry Pi 4B, PWM speed adjustment, better cooling, low noise, space saving2. This is a thin and lightweight heat sink, equipped with a 3510 ultra-quiet cooling fan, and the fan supports PWM speed regulation, which is perfectly compatible with Raspberry Pi OS. Other systems need to manually write python or C code to drive the fan speed through PWM.3. NOTE: Supports Raspberry Pi 4B Only, Automatic speed control function only supports Raspberry Pi OS.Specifications:1. Supported Pi: Raspberry Pi 4 Model B 1GB/2GB/4GB/8GB version2. Power supply: DC 5V input (can be powered by Raspberry Pi)3. Interface: 3-wire PWM speed control fan connector4. Rated power: 0.3W (5V, 0.6+/-0.02A)5. Cable length: 80+/-10mm6. Fan: 5500+/-10%RPMPackage List:1. PI4-FAN-PWM x12. Silicone thermal tape x4 and Screw x2Specification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 10cm * 7cm * 3cm / 3.94inch * 2.76inch * 1.18inch Qty per Carton 200 Carton Weight 12.00kgs / 26.46lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 200 pcs = 113200 pcs 40HQ: 1314 cartons * 200 pcs = 262800 pcs

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About The Product1. The case is currently only compatible with the old version of the Jetson Nano Developer Kit B01, which is made from Waveshare. Other third-party kits or the new version of the Jetson Nano Developer Kit B01 are not currently supported. 2. The difference between the new version of the Jetson Nano Developer Kit B01 and the old version of the Developer Kit B01: - Please pay attention to checking the HDMI and DP sockets of the kit. If the HDMI/DP socket covered with a metal outer layer is a new version. But this case is not currently supported. If there is no metal cladding on the sockets--the old version of the B01 kit, the case can be supported. - If you are using the A02 version of the Jetson Nano developer kit, note that the positions of the button interfaces are different.Features1. High-quality aluminum Case Designed for the Jetson Nano 2. Chamfered corners, more comfortable and smoother 3. Reserved airflow outlets on three sides, and built-in fan is opened on the top for excellent heat dissipation 4. Exquisite workmanship, beautiful fit 5. Equipped with silicone non-slip feet, more stable placement: Reduce the heat dissipation of the bottom contact areaPackage List1. Aluminum body case(top and bottom) x 1 2. GPIO adapter x 1 3. Button cable x 1 4. Nonskid feet 4pcs x 1 5. Button 2pcs x 1 6. Button board x 1 7. Allen spanner x 1 8. Allen screws pack x 1Specification: Package Weight One Package Weight 0.31kgs / 0.69lb One Package Size 16cm * 12cm * 7cm / 6.3inch * 4.72inch * 2.76inch Qty per Carton 40 Carton Weight 13.20kgs / 29.10lb Carton Size 50cm * 36cm * 22cm / 19.69inch * 14.17inch * 8.66inch Loading Container 20GP: 673 cartons * 40 pcs = 26920 pcs 40HQ: 1563 cartons * 40 pcs = 62520 pcs

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1. Good condition,with high quality ,great performance2. Cooling fan run smoothly, long life keep CPU safe without overheating3. Compatible with Raspberry Pi CM4 robotic projects and development boardsSpecification:1. Rated Power: 1W (5V, 0.2+/-0.02A); 1.62W (for 12V, 0.135+/-0.02A)2. Rated Speed: 5000+/-10%RPM( for 5V); 8000+/-10%RPM ( for 12V)3. General: Low-profile, PWM speed adjustment4. Interface: 4-wire PWM speed-adjustable fan header5. Cable length: 90+/-10mm6. Size: 54 x 39 x 13mmPackage List:1. CM4-FAN-3007 x 12. Screws and thermal tapes x 1Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 32cm * 32cm / 20.47inch * 12.6inch * 12.6inch Loading Container 20GP: 500 cartons * 200 pcs = 100000 pcs 40HQ: 1162 cartons * 200 pcs = 232400 pcs

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1. Good condition,with high quality ,great performance2. Cooling fan run smoothly, long life keep CPU safe without overheating3. Compatible with Raspberry Pi CM4 robotic projects and development boardsSpecification:1. Rated Power: 1W (5V, 0.2+/-0.02A); 1.62W (for 12V, 0.135+/-0.02A)2. Rated Speed: 5000+/-10%RPM( for 5V); 8000+/-10%RPM ( for 12V)3. General: Low-profile, PWM speed adjustment4. Interface: 4-wire PWM speed-adjustable fan header5. Cable length: 90+/-10mm6. Size: 54 x 39 x 13mmPackage List:1. CM4-FAN-3007 x 12. Screws and thermal tapes x 1Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 32cm * 32cm / 20.47inch * 12.6inch * 12.6inch Loading Container 20GP: 500 cartons * 200 pcs = 100000 pcs 40HQ: 1162 cartons * 200 pcs = 232400 pcs

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1. All ports and slots of the aluminum alloy case can match with for Raspberry Pi Zero 2 W computer 2. Add 40 Pin Headers to extend the GPIO pin and insert GPIO cable. 3. Open case design, donot need to worry about affect wifi signal 4. It is a good raspberry pi zero heatsink case with good heat dissaption 5. Reinforced aluminum material, lightweight and durable, long-lasting stainless 6. With thermal pad to touch the shell body for heat dissipation.Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 15cm * 12cm * 3cm / 5.91inch * 4.72inch * 1.18inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 200 pcs = 113200 pcs 40HQ: 1314 cartons * 200 pcs = 262800 pcs

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1. Module Support: NVIDIA Jetson TX2 NX Module 2. Power supply: DC 5V input 3. Structure: Embedded fan, aluminum alloy shell 4. Electrical parameters: 0.65W (5V/0.13A) 5. Cable length: 37+/-3mm 6. Fan: PWM speed control, 5500+/-10%RPMSpecification: Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 15.00kgs / 33.07lb Carton Size 52cm * 32cm * 32cm / 20.47inch * 12.6inch * 12.6inch Loading Container 20GP: 500 cartons * 200 pcs = 100000 pcs 40HQ: 1162 cartons * 200 pcs = 232400 pcs

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1. Input voltage range: 10V-75V2. Output voltage adjustment range: 0-60V 3. Output current adjustment range: 0-12A4. Output power: 0-720W5. Output voltage setting resolution: 10mV6. Output current setting resolution: 10mA7. Output ripple: 50mVpp (input 54V, output 30V, current 5A)8. Storage operation: M0-M9 total 10 groups of parameters storage9. Heat dissipation method: On-board heat sink, air cooling10. Dimensions: 101x75x48mm11. Advanced microprocessor, technical keys can accurately hole section output voltage and current12. 4-digit high-brightness digital tube, real-time display of voltage, current, capacity and time13. Automatic output after power on can be set14. Lockable parameter adjustment keys to prevent misoperation of output voltage and current parameters15. Communication with microcontroller or computer through the reserved port, easy for secondary development16. Two 0. 8mm double-wire wound high-current inductors, two 470uF/100V electrolytic capacitors for input, and two 1000uF/63V electrolytic capacitors for output 17. self-contained fan cooling, low temperature rise, and very good output voltage quality.Day, full digital display, convenient and easy to use.18. Can be constant voltage, constant current output19. module with working status indicators, respectively output OUT, constant voltage CV, constant current cc indicators, you can view the working status in real time20. DKP6012 DC-DC digital control buck module is a programmable buck module with full digital display, small size, high power, high efficiency and stable operation.21. Advanced microprocessor control, voltage and current are precisely adjusted by keypad, constant voltage and current output, and can be communicated with microcontroller or computer through the reserved port for secondary development22. With four eight-segment LED digital tube, can display the output voltage and current in real time23. With working status indicator, you can check the working status in real time24. With automatic output function, can be turned on or off according to the need, in addition, the machine also has a key lock function, can lock the parameter adjustment keys, to prevent misadjustment of output voltage and current parametersSpecification: Package Weight One Package Weight 0.28kgs / 0.62lb One Package Size 13cm * 10cm * 6cm / 5.12inch * 3.94inch * 2.36inch Qty per Carton 84 Carton Weight 30.00kgs / 66.14lb Carton Size 57cm * 43cm * 26cm / 22.44inch * 16.93inch * 10.24inch Loading Container 20GP: 418 cartons * 84 pcs = 35112 pcs 40HQ: 971 cartons * 84 pcs = 81564 pcs

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1. Stable operation at 3A at room temperature (test conditions 29°C, humidity 50%), if working for a long time it is recommended to add a heat sink2. High Q high current shielded inductor, low ESR high capacity capacitor, sunken gold PCB3. High precision potentiometer, imported chip, 5A high current Schottky diode, pure copper terminal4. Input voltage: DC4-40V5. Output voltage: DC1.23-35V6. Output power: 15W7. Breakdown voltage: over 45V input8. Start-up voltage: 4V9. Fault protection: reverse connection, undervoltage, overcurrent, overheat protection10. Operating temperature: -40 to 85 degrees C11. Output current: 3A12. Output ripple: 4mV13. No-load current: about 7mA14. External dimensions: 55x32x13mm15. Net weight: 20gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 12cm * 8cm * 4cm / 4.72inch * 3.15inch * 1.57inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 50cm * 50cm * 54cm / 19.69inch * 19.69inch * 21.26inch Loading Container 20GP: 197 cartons * 500 pcs = 98500 pcs 40HQ: 458 cartons * 500 pcs = 229000 pcs

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