Consumer Electronics

1. Made of high-quality ABS, wear-resistant and durable, giving you a comfortable feel.2. The remote control needs to be successfully paired with the TV before it can use the voice function.3. Comfortable buttons, made of silicone material, sensitive to operation, durable in use for a long time4. Intelligent remote control, strong signal, free operation5. Compatible brands: suitable for Xiaomi MI Smart TV

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1. Universal gauge material: brass + inner tank holder 2. Outer quilt material: PVC matte black OD7.8MM 3. Rated power: 3250W 4. Rated current: 13A 5. Length: 2m 6. Extend the cable body to solve the problem of short cables in the original equipment and say goodbye to the constraints of short cables. 7. Thick copper core, low resistance, low heat generation, anti-oxidation, conductive block, stable transmission 8. Small size, does not take up space, can be placed smoothly and not easily rolled during plugging and unplugging. 9. Supports 3250W high power and can be used with various plug appliances such as electric vehicle chargers, desk lamps, and induction cookers.

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Features1. Wireless microphone makes you move freely and do energetic and active performances 2. The rechargeable and portable receiver only needs to charge for long time 3. Plug and Play, cable-free, frequency automatic pairing, AA battery-powered handheld microphone, and 18650 lithium rechargeable battery powered receiver makes it portable (Note: The AA batteries and 18650 batteries are not included) 4. The microphone can be connected to multiple audio systems including speakers, amplifiers, wireless mic systems. Wireless microphones will give you the mobility and freedom of movement for stage performances, speeches, churches, weddings, etc.Specifications1. ABS pipe + silicone 2. Transmitter frequency: 765.4Mhz, 763.4Mhz 3. Receiver battery: 18650 (not included) 4. Transmitter battery: AA (not included) 5. Receiver audio port: 3.5mm 6. Receiver charging port: type-c 7. Signal-to-noise ratio: greater than or equal to 70dB 8. Frequency response range: 100Hz-20KHzHighlight1. Type: Handheld 2. Sound field force: Combined type 3. Directivity: Supercardioid 4. Energy conversion principle: Electric type 5. High-sensitivity dynamic microphone core 6. Impedance: 580 ohms 7. Sensitivity: -50.7dBPackage List1. Receiver x 1 2. Transmitter x 2 3. Anti-slip ring x 2 4. Charging cable x 1 5. Windproof cover x 2 Batteries not included

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1. Fully DVB-S/S2/S2X/T/T2/C compliant, Live FTA digital picture and sound. 2. Support H.264/H.265(10 Bit) hardware decoding.3. Digital measuring device for signal strength and quality, supports presetting all satellite information.4. Support AV in and AV/HDMI out function.5. 4.3 inch LCD Colour Screen.6. 4000mAh Lithium-ion battery, normal work up to 4-6 hours. 7. Support 13V/18V/LOCK status panel LED display directly. 8. Support battery power display.9. Software upgradeable via USB and Wifi network (Wifi for MT7601 chip). 10. Supports scan of Auto, Blind, Manual or NIT, Sound for Locking Signal. 11. Supports DISEQC 1.0/1.1/1.2, unicable, 0/22kHz tone, auto calculate angle of AZ, EL.12. Support compass function, speaker integrated. 13. Support real-time power display, with low power reminder. 14. LNB short protect.Main Features:1. System capabilities: Full HD DVB-S/S2/S2X/T/T2 & H.265 Complian, Fully DVB compliant2. Video Decode: AC-3, MPEG-2 MPEG-4 MP HL, H.264 BP MP&HP L4.1, AVS profile L6.1/4.0/2.03. PAL/NTSC: Automatic PAL/NTSC conversion4. Channels Number: 6000 channels TV and Radio programmable5. Favorites: 8 different favorite groups selection6. OSD Language: English, German, French, Portuguese, Spanish, Italian, Russian, Turkish, Polish, Arabic, Farsi, Espanol, Deutsch7. OSD Color: 16-bit OSD with anti-flickering8. Channel Search: Channel search in automatic, manual and network search 9. Channel Edit: Various channel editing function(favorite, move, lock, skip, delete, rename, find, sort) 10. Easy Menu: Plug and Play installation, with an easy to use Menu System11. SoftUpgrade: Software upgrade through USB12. Save Channel: Automatic save for last channel13. Li-on Battery: 4000mAh14. Power Supply: DC12V/1500mA (Input 100V-240V, 50/60Hz)15. Panel display: 4.3 inch LCD Colour Screen16. Output Interface: HDMI(up to 1080P) output, LNB-IN x 2, DV-OUT, AV-OUT, AV-IN, USB, Power supplyElectric Performance1. System resource: Flash Memory: 64MB Serial FlashDDR3 Memory: 1GB DDR32. LNB/Tuner input:Connector: F-type maleFrequency range: 950MHz-2150MHzInput Impedance: 75ΩSignal lever: -65dBm to -25dBmActive Ant Power: 13/18V DC 400mA MAX, Overload ProtectionLNB switch control: 22KHzDiSEqC: Ver 1.0/1.1/1.23. Demodulator:Front end: QPSK(S), QPSK, 8PSK, 16APSK, 32APSK(S2)Modulation range: 2Mbps-45MbpsSCPC and MCPC Capable: YesSpectral inversion: Auto conversionPacking listDigital satellite meter x 1User manual x 1AV cable x 1Car charger cable x 1Adaptor x 1

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1. Material: copper core + PVC body + metal shell2. Craftsmanship: gold-plated process3. Connectors: 3.5 male to XLR female audio connector4. Outer diameter of cable body: about 6mm5. Length: 1.5m, 3m, 5m, 10mFunctional features:1. Thickened cable, strong and durable, solid materials, rigorous workmanship, the outer diameter of 6mm, durable, soft PVC cable body with good elasticity and toughness2. Good sound quality comes from good materials, thicker core, better and more stable signal transmission, sound quality is more pure, clear and lossless, no noise and no current sound, restore the original sound quality3. Wire body and connectors are firmly connected, not easy to loosen, the standard slot design, so you no longer worry about loose interfaces in use4. Equipment connected to each other, stable transmission, so that the sound into the ear more delicate, richer and fuller levels, the transmission of a clearer sound5. Wide range of applicable equipment, suitable for microphone/microphone/amplifier/mixer/mobile phone/computer and other equipment connected to each other

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1. Battery capacity: 300mAh2. Charging time: about 2h3. Recording time: 50-60h4. Standby time: about 30 days5. Recording format: WAV6. Simple operation, one-click recording7. Using a highly sensitive condenser microphone, 360-degree surround pickup, making the sound clearer8. Use acoustic DSP noise reduction module to filter noise from the source9. Intelligent voice-activated recording to save storage space as much as possible10. Free speech-to-text conversion with an accuracy of about 96%11. Automatically record the recording start time for easy browsing and management12. Support password setting to protect data security13. Plug in the matching wire-controlled headset to delete files locally14. Strong battery life, up to 30 days of standby time15. Automatically protect files when power is turned off to prevent them from being lost.16. Support OTG connection to mobile phone, plug and play, simple and convenient

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1. Laptop connect headset, support listen + speak two-in-one function2. Support PS4/PS5/Switch and other game consoles to use the sound out, the game more comfortable3. Using the extension cable design, flat cable body is flexible, flexible, any bend and pull does not damage the headset connector, headset service life is longer4. Computer connected to the sound, so that the sound effect has a more sense of presence5. Headset independent interface, wider 10mm center distance design, goodbye to plugging interference, suitable for dual-plug computer headset or conventional 3-pole headset/speaker + desktop microphone6. Can be independently connected to the use of microphones, connected to the desktop microphone, experience a better voice function7. Filtering noise independent sound card chip, complete the sound quality noise reduction work8. Headset + microphone interface design, save the computer sound card damage without soundParameters:1. Shell material: alloy2. Cable body: flat soft PVC3. Interface: USB + 3.5mm audio port4. Support system: Windows 7/8/8.1/10/11 system, MAC OS, Linux, Android5. Total length: 10cm6. Size: 41 x 20mm, 30 x 15mm7. Weight: about 40gNote: delivery only sound card, does not include other items in the picture

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1. Shell material: plastic2. Power supply voltage: 220V3. Battery capacity: 550mAh4. Multi-function time control switch, power failure memory, intelligent chip accurate timing, energy saving, high pressure efficiency, long service life5. Built-in rechargeable battery, the user sets the time, automatically open and close the power supply of various electrical equipment6. 20 groups of switch appointment time settings, can be set daily or weekly cycle control, multiple timing time adjustable7. Low power consumption, simple operation, small size, universal, simple and convenient, no need to pull out the previous tone after each current connection8. Simple installation steps, wide measurement range, good performance, widely used in production equipment, street lights, advertising lights, LED lights, warehouse exhaust dehumidification, agriculture, radio and television, etc.9. Weight: about 120 g10. Size: about 8.7 x 6.5 cm

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1. Coil voltage: AC 220V2. Working current: 9A-95A3. Insulation voltage: 690V4. Wiring capacity: 4-10 square millimeters5. Installation: rail/screw mountingFeatures:1. Description: selection on demand, CJX2-xx10: normally open, energized suction; CJX2-xx01: normally closed, energized disconnection; CJX2-xx11: an open and a closed2. 8 contacts, silver alloy material, strong conductivity, more stable contact when connecting with larger size3. 32 pieces of iron core, suction more smooth and tight, real material, two silicon steel iron core4. Copper core coil, when the coil is energized, the static iron core generates electromagnetic suction, which sucks the iron core together5. A variety of uses, control equipment, load is too large with the use of temperature control, time control, water level control, etc.6. Rated current is not equal to the agreed heating current, please take the rated current as the standard purchase, long-term work under the agreed heating current will cause damage to the equipment or reduce the life of the AC contactor, damage

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1. Easily handles a variety of flooring types, including hardwood, tile, laminate and carpet, making it easy to maintain a spotless home.2. LED light design, can help you easily find dust in corners, under the bed and on the sofa, so the dust will not stay in dark places.3. With its efficient design and strong nylon bristles, this floor brush easily removes embedded dirt and debris from carpets and rugs, leaving your floors spotless.4. Made from high-quality materials, designed to withstand regular use and provide long-lasting performance.5. Dimensions: 260 x 115mm

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1. Protection class: IP622. Operating frequency: 20 times/minute3. Rated insulation voltage: 415V4. Rated shock withstand voltage: 2.5kV5. Rated voltage: AC380V/DC220V6. Rated operating current: AC0.8A/DC0.16A7. Environmental temperature: -5-40 degrees Celsius8. Action form: self-reset9. Operation mode: TBLX-ME/8101: universal type III, TBLX-ME/8104: roller rotating arm, TBLX-ME/8107: adjustable rotating lever, TBLX-ME/8108: adjustable roller rotating arm, TBLX-ME/8111: straight pressure plunger type, TBLX-ME/8112: straight pressure plunger cross-mounted roller, TBLX-ME/8122：direct pressure plunger vertical mounted roller，TBLX-ME/8166：universal type I，TBLX-ME/9101：universal type IIIFeatures:1. Complete models, multi-functions, touching sensitive, dustproof insulated junction port, self-resetting multi-functions2. Standardized, stable and reliable performance, fine workmanship and strict quality.3. YBLX-ME series travel switches are suitable for AC 50Hz or 60Hz, voltage 380V, DC voltage 220V control circuits, for the travel control of the movement mechanism, the change of movement direction or speed, the automatic control of the machine tool, the limiting action of the movement mechanism and the control of the travel or the program

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1. Coil voltage: AC 220V2. Working current: 9A-95A3. Insulation voltage: 690V4. Wiring capacity: 4-10 square millimeters5. Installation: rail/screw mountingFeatures:1. Description: selection on demand, CJX2-xx10: normally open, energized suction; CJX2-xx01: normally closed, energized disconnection; CJX2-xx11: an open and a closed2. 8 contacts, silver alloy material, strong conductivity, more stable contact when connecting with larger size3. 32 pieces of iron core, suction more smooth and tight, real material, two silicon steel iron core4. Copper core coil, when the coil is energized, the static iron core generates electromagnetic suction, which sucks the iron core together5. A variety of uses, control equipment, load is too large with the use of temperature control, time control, water level control, etc.6. Rated current is not equal to the agreed heating current, please take the rated current as the standard purchase, long-term work under the agreed heating current will cause damage to the equipment or reduce the life of the AC contactor, damage

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1. Protection class: IP622. Operating frequency: 20 times/minute3. Rated insulation voltage: 415V4. Rated shock withstand voltage: 2.5kV5. Rated voltage: AC380V/DC220V6. Rated operating current: AC0.8A/DC0.16A7. Environmental temperature: -5-40 degrees Celsius8. Action form: self-reset9. Operation mode: TBLX-ME/8101: universal type III, TBLX-ME/8104: roller rotating arm, TBLX-ME/8107: adjustable rotating lever, TBLX-ME/8108: adjustable roller rotating arm, TBLX-ME/8111: straight pressure plunger type, TBLX-ME/8112: straight pressure plunger cross-mounted roller, TBLX-ME/8122：direct pressure plunger vertical mounted roller，TBLX-ME/8166：universal type I，TBLX-ME/9101：universal type IIIFeatures:1. Complete models, multi-functions, touching sensitive, dustproof insulated junction port, self-resetting multi-functions2. Standardized, stable and reliable performance, fine workmanship and strict quality.3. YBLX-ME series travel switches are suitable for AC 50Hz or 60Hz, voltage 380V, DC voltage 220V control circuits, for the travel control of the movement mechanism, the change of movement direction or speed, the automatic control of the machine tool, the limiting action of the movement mechanism and the control of the travel or the program

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1. Coil voltage: AC 220V2. Working current: 9A-95A3. Insulation voltage: 690V4. Wiring capacity: 4-10 square millimeters5. Installation: rail/screw mountingFeatures:1. Description: selection on demand, CJX2-xx10: normally open, energized suction; CJX2-xx01: normally closed, energized disconnection; CJX2-xx11: an open and a closed2. 8 contacts, silver alloy material, strong conductivity, more stable contact when connecting with larger size3. 32 pieces of iron core, suction more smooth and tight, real material, two silicon steel iron core4. Copper core coil, when the coil is energized, the static iron core generates electromagnetic suction, which sucks the iron core together5. A variety of uses, control equipment, load is too large with the use of temperature control, time control, water level control, etc.6. Rated current is not equal to the agreed heating current, please take the rated current as the standard purchase, long-term work under the agreed heating current will cause damage to the equipment or reduce the life of the AC contactor, damage

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1. Material: food grade silicone2. The groove width of the silicone pad is 1.5mm, which is universal for various 3D pen print heads. The extrusion of the mold pad is compatible with various 3D filaments and 3D pen nozzles.3. Easy to pop out, will not stick to the printing filament, just bend the flexible 3D pen drawing pad, and the dry 3D filament can be easily popped out4. High temperature resistance, can withstand high temperatures up to 230 degrees Celsius, which can prevent your table from being scorched during 3D creation5. The pen pad can be washed directly with water or washed in a dishwasher6. The silicone pad is used to etch multiple shapes of drawing graphics: rings, triangles, grids, rectangles, etc. You can use these basic shapes to form more different shapes and build three-dimensional graphics, making your 3D drawing more convenient and accurate7. Each set comes with 2 small heat-proof finger cots (for children). The finger cots can protect your fingers from hot wire and drawing.8. Size: 17.7x17.7x0.3cm, large size 41.2x20.3x2.5cm9. Weight: about 105 grams, about 198 grams for the extra large size

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1. LCD screen: 2.0-inch high-definition screen (480RGBx360)2. Lens: starlight lens 70 degrees viewing angle3. Sensor chip: starlight level 5 million like, 1/2.78 inch4. Photo resolution:- 32MP: 6480x4860 (interpolated)- 20MP: 5200x3900 (interpolated) - 16MP: 4608x3456 (interpolated) - 12MP: 4000x3000 (interpolated)- 8M: 3264x2448 (interpolated)- 5M: 2592x1944- 3M: 2048x1536- 1M: 1280x9605. Video resolution: 3840x2160/10fps, 2688x1520/20fps, 1920x1080/30fps, 1280x720/60fps, 1280x720/30fps6. Zoom movie frame rate: 1FPS, 5FPS, 10FPS, 15FPS, 20FPS, 25FPS, 30FPS can be set7. Shooting distance: near and far distance manual rotation focus, can shoot macro - infinity8. Fill light source: a single 120 degrees 2W white LED, according to the need to turn on the fill light in full black mode9. Photo time-lapse photography: Timed photo (can be set to take a picture every 0.5 seconds - 24 hours), and automatically connect the photos, real-time generation of time-lapse video film, real-time preview of the time-lapse film10. Video time-lapse photography: timed video recording (0.5 seconds - 24 hours to record a 1 second - 60 seconds short film), and automatically streamed into AVI movie11. Manual time-lapse: manually control the shooting (photo or video), and automatically connect to AVI movie12. Timer shooting: take photos and videos at regular intervals13. Normal shooting: take photos or videos manually14. Playback mode: you can view the recorded content directly on the camera through the TFT screen15. Customized shooting period: flexible setting of daily and hourly shooting time by weekly and time system16. Language: multi-national options17. Cycle shooting: ON/OFF (when ON, the earliest document will be deleted when the card is close to full)18. Exposure compensation: +3.0 EV - -3.0 EV in 0.5 EV increments.19. Time period shooting: 2 groups of time periods can be set up.20. Self-timer: OFF, 3S, 5S, 10S21. Microphone/speaker: built-in22. Frequency: 50HZ/60HZ23. File format: photo: JPG; video: AVI24. Power supply: 3000mAh polymer lithium battery25. Battery life: 6 months (one photo every 5 minutes, 288 photos a day, 8640 photos a month)26. Storage Media: TF card (up to 512GB, Class 10 or above recommended)17. Interface: TYPE-C28. Operating temperature: -20 - 50 degrees Celsius29. Storage temperature: -30 - 60 degrees Celsius30. Accessories: USB cable, stand, instruction manual31. Dimensions: about 6.6 x 6.3 x 8.4cmFeatures:1. Screen rotates 90 degrees to meet different angles of use2. Built-in fill-in light, you can take photos with rich details in low light conditions3. IP66 waterproof and dustproof, protect the machine from storm water and dust erosion4. Customized shooting cycle, flexible setting of shooting date and time5. Wide range of applications, strong use

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Features:1. 12 modes, 8 special sound effects2. Intelligent and compatible with Android and IOS systems, with a wide range of applications3. Long-lasting battery life, supports use while charging4. Built-in 1048 type DSP sound card chip5. One-click voice change, live karaoke, and real-time monitoringProduct parameters:1. Applicable scenarios: mobile live broadcast, games, mobile phone recording, voice chat, computer live broadcast2. Main frequency: dual-core DSP3. Charging port: USB micro4. Signal-to-noise ratio: 106db5. Dynamic range: 106db6. Headphone jack: 3.5mm7. Mobile phone interface: 3.5mm8. USB interface: Micro USB9. Charging input: DC 5V/1A10. Battery capacity: 600 mAh11. Working time: about 3-4 hours12. Dimensions: 94 x 49 x 10mmPacking list:-Sound card x 1-Audio cable x 1-Charging cable x 1

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1. The remote control has buttons, which is easy to use and can be easily controlled with one hand.2. Suitable for Fujitsu RY12 / RY14 AR-RAD1E air conditioner remote control3. No programming or setup required.4. Note: It is not original, it is a replacement! Most of the features are the same as the original remote, but may have some different buttons!5. Material: ABS plastic6. Power supply method: AAA battery (not included)7. Frequency: 433 MHz

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1. The remote control has buttons, which is easy to use and can be easily controlled with one hand.2. Suitable for Mitsubishi air conditioner remote control3. No programming or setup required.4. Note: It is not original, it is a replacement! Most of the features are the same as the original remote, but may have some different buttons!5. Material: ABS plastic6. Dimensions: 16 x 5.5 x 1.8cm

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1. The remote control has buttons, which is easy to use and can be easily controlled with one hand.2. Suitable for Mitsubishi air conditioner remote control3. No programming or setup required.4. Note: It is not original, it is a replacement! Most of the features are the same as the original remote, but may have some different buttons!5. Material: ABS plastic

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Module performance and features:1. With voltmeter display and voltmeter can be self-calibrating, using a more advanced voltage microprocessor, voltmeter error 0.05V, range 0-40V (Note: To ensure the accuracy of the voltmeter, please ensure that the input voltage is above 4.5V)2. With power indicator, touching the button to switch the measurement of input or output voltage, and there is an indicator to show which voltage is being measured, and save the settings, even if the power is off and on again3. Voltmeter can be turned off, when not needed when touching the left button can be easily realized4. With terminal block, easy to use without soldering iron, and retain the soldering wire junction point5. Input voltage 4.0-38V (input voltage must be higher than output voltage by more than 1.5V)6. Adjustable output voltage range 1.25V-36V continuously adjustable (input voltage must be 1.5V higher than output voltage)7. Output current up to 5A, it is recommended to use within 4.5A8. Output power up to 75W, more than 50W, please strengthen the chip cooling (that is, must add a small heat sink)9. High conversion efficiency, up to 96% (efficiency and input and output voltage, current, pressure difference)10. Operating frequency: 180KHZ11. Load adjustment rate S (I) less than 0.8 percent, voltage adjustment rate S (u) less than 0.8 percent12. With thermal protection and short-circuit protection (but short-circuit there is an accident, try not to short-circuit)13. Board size: about 7 x 4.7 cmApplications:DC/DC step-down module is used in the field of input voltage higher than the output voltage step-down, such as batteries, power transformers, DIY adjustable voltage regulator power supply, LCD monitors and LCD TVs, portable instrument power supply, telecom/network equipment, 24V car laptop power supply, industrial equipment step-down, 12V step-down to 3.3V, 12V step-down to 5V, 24V step-down to 5V, 24V step-down to 12V, 36V to 24V, etc.

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1. Bluetooth version: 5.02. Operating voltage: DC8-24V3. Transmission distance: 15 meters (visible and unobstructed)4. Number of channels: dual-channel (stereo)5. Adaptable speaker power (30W-150): 4 ohms (8-12V power supply), 8 ohms (8-24V power supply), 16 ohms (8-24V power supply)6. Module protection mechanism: reverse power supply protection, short-circuit protection, self-recovery overheating protection7. Note: to improve the performance of the module, it is recommended to work more than 20W x 2 application scenarios under the amplifier chip plus heat dissipation8. Anti-static bag packaging, acrylic panels have a protective film, please tear off when assembling9. Module size: about 5 x 3.3 cmOperating instructions:1. After turning on the power, the blue indicator light will flash quickly to enter the Bluetooth mode2. Enter pairing mode and wait for pairing after announcing the beep3. Mobile phone bluetooth search to XY-P15W (amplifier board device name), click XY-P15W connection4. After successful connection, play the tone, the indicator light will be on, you can play the music on your cell phone, and the indicator light will flash slowly when playing the music5. Bluetooth disconnect the amplifier board to prepare for the next pairing, and play the tone after entering the pairing mode waiting for the pairingPrecautions for use:1. Amplifier board to use as far away from WIFI signals (router)2. Recommended power supply voltage DC 8-24V, more than 26V, the chip will be burned3. Connect 4 ohm speakers when the power supply does not exceed 12V, connect 8 ohm speakers when the power supply does not exceed 24V4. Recommended power supply current is more than 2A5. Module working power more than 20W x 2, need to add heat sinks6. The speaker cable should not be too long, ensure that 1 meter or less is suitable7. Pay attention to electrostatic protection, contact the amplifier board before the need to release the hand of static electricity, to avoid static electricity will chip breakdown, bluetooth chip is more sensitive to static electricity8. It is recommended to adapt to the speaker rated power 30W and above, to avoid burning the speaker heat

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1. This module complies with international safety standards, with isolation slots between the control area and the load area2. Using relays, with power and relay action indication, absorb bright, disconnect not bright3. When there is signal at the signal input, the common terminal and the normally open terminal will conduct4. It can be used as a microcontroller development board module, and can be used for home appliance control5. Control DC or AC signals, can control 220V AC loads6. There is a normally open and a normally closed contacts7. Blue KF301 terminals to connect the control line is more convenient8. Weight: about 12.4 g9. Size: about 4.3 x 2.7 cmAbout the high level and low level trigger mode description:1. High level triggering refers to the triggering mode where there is a voltage between the signal input and ground, which can be understood as a mode of triggering by short-circuiting the signal input and the positive pole of VCC2. Low level trigger refers to the trigger mode where the voltage between the signal input and the ground is OV, which can be understood as a mode where the signal input is triggered by a short circuit with the negative pole of GND

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Product features:1. Adopts FT232BL chip with external EEPRON (93C46)2. Support Windows 103. Support 3 power supply modes: 5V external power supply, 3.3V external power supply, external power supply (requires 3.3V-5V)4. With 3 LEDs: TXD LED, RXD LED, POWER LED5. GND, RXD, TXD, 3V3, 5V: using a curved pin pin out6. The rest of the function PIN: reserved pads CTS, RTSInstructions for use: (to access the MCU as an example)1. GND: connected to GND2. RXD: connect to MCU.TX (Signal flow: MCU.TX - FT232 - PC.RX)3. TXD: connect to MCU.RX (signal flow: PC.TX - FT232 - MCU.RX)4. 3V3/5V: output 3.3V or 5V (the module is powered by USB, the jumper cap must be jumped to 3.3V or 5V)5. RTS: connect to MCU.CTS (signal flow: PC.RTS - FT232 - MCU.CTS)6. CTS: connect to MCU.RTS (Signal flow: MCU.RTS - FT232 - PC.CTS)

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Product features:1. Adopts FT232BL chip with external EEPRON (93C46)2. Support Windows 103. Support 3 power supply modes: 5V external power supply, 3.3V external power supply, external power supply (requires 3.3V-5V)4. With 3 LEDs: TXD LED, RXD LED, POWER LED5. GND, RXD, TXD, 3V3, 5V: using a curved pin pin out6. The rest of the function PIN: reserved pads CTS, RTSInstructions for use: (to access the MCU as an example)1. GND: connected to GND2. RXD: connect to MCU.TX (Signal flow: MCU.TX - FT232 - PC.RX)3. TXD: connect to MCU.RX (signal flow: PC.TX - FT232 - MCU.RX)4. 3V3/5V: output 3.3V or 5V (the module is powered by USB, the jumper cap must be jumped to 3.3V or 5V)5. RTS: connect to MCU.CTS (signal flow: PC.RTS - FT232 - MCU.CTS)6. CTS: connect to MCU.RTS (Signal flow: MCU.RTS - FT232 - PC.CTS)

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1. Power supply range: 5V DC2. Operating voltage: 2.5V-5.5V 3. Output Power: 3W x 2 (5V 4Ω)4. PAM8403 is a small digital amplifier chip, high-definition sound quality highlights the advantages of digital chips5. Circuit using a reasonable peripheral configuration, power supply filter upgrade to 470uf, 1.6mm fiberglass plate, the amplifier board to do the meticulous6. Output 3W + 3W high-fidelity sound quality, potentiometer using the original anti-surface body, life expectancy of up to 15 years, potentiometer with a switch can be counterclockwise directly cut off the power supply. 7. Please ensure that the power supply voltage does not exceed 5.5V, and please do not reverse the positive (+) negative (-) polarity, otherwise it will burn the circuit board!8. Size: with potentiometer about 29.5 x 20.2 x 15 mm, module about 21 x 18 mm

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1. Power supply voltage: 9-12VDC input2. Waveforms: square, sine and triangle waves3. Impedance: about 600 ohms4. Frequency: 1Hz-1MHz5. Sine wave:-Amplitude: 0-3V (9V DC input)-Distortion: Less than 1 percent (at 1kHz)-Flatness: +0.05dB 1Hz-100kHz6. Square wave:-Amplitude: 8V (no load 9V DC input)-Rise Time: Less than 50ns (at 1kHz)-Fall time: less than 30ns (at 1kHz)-Symmetry: Less than 5 percent (at 1kHz)7. Triangle wave:-Amplitude: 0-3V (at 9V DC input) -Linearity: Less than 1 percent (up to 100kHz) 10mACircuit features:1. It can generate sine wave, triangle wave and square wave2. Frequency can be from 1HZ-1MHZ, frequency, amplitude adjustable3. 5-bit precision resolution, frequency adjustment with coarse and fine tuning4. Wide range of power supply, can use external power supply 9-12V or 9V battery 5. All direct insertion components, the number of components is small, simple installation and commissioningPrecautions for soldering and mounting, please follow the steps below:1. Components are welded to the front panel, from low to high principle, that is, the first welding low-end components, such as capacitors, resistors, diodes, etc.2. Welding IC sockets, terminals, and finally the power socket, adjustable potentiometer3. Behind the use of diagonal pliers to try to cut short pinsDebugging steps:1. After completing the welding of the IC, XR2206, pay attention to the direction of the IC, the insertion may damage the chip2. Check whether the IC is reverse, such as reverse, please correct in a timely manner3. Insert the power supply, the power supply is 5.5 x 2.1 port, inside and outside the negative pole, the power supply voltage is 9-12V, more than 12V waveform may be unstableSteps for use:1. Insert J1 jumper cap, SIN/TRI blue terminal output sine wave (note that J1, J2 can only be inserted into one of the)2. Insert J2 jumper cap, SIN/TRI blue terminal output triangle wave (note that J1, J2 can only be inserted into one)3. SQU blue terminal outputs pulse4. AMP: sine wave, triangle amplitude adjustment5. FINE: frequency fine-tuning6. Coarse: frequency coarse adjustment

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1. Applicable models: for Meta Quest32. Material: ABS3. Lighting modes: four (RGB gradient mode, static light mode, breathing mode, flash mode)4. Battery capacity: 8000 mAh polymer battery5. Head circumference size: 40-68mm6. Net weight: 450 grams7. RGB colorful luminous marquee8. The head circumference is adjustable, stable and not easy to fall off9. Sturdy knob, easy to adjust, durable, better comfortable for your head10. Built-in 8000mAh large-capacity battery, long battery life11. Foldable design, you can adjust the angle at will, making it easy and portable12. Ergonomic design, effectively dispersing the wearing gravity, and full head bow design to improve comfort.Packing list:-Charging headset x 1-Charging cable x 1-Manual x 1

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1. The sound quality using this module is very good.2. Mono digital audio amplifier chip.3. High output and low power consumption.4. Applicable speaker impedance: 4-8 ohms (8 ohms is best).Product specifications:1. Power amplifier chip: TPA31182. Working voltage: DC8-24V3. Output power: 60W/30W4. PCB board size: 45 x 35mm/1.77 x 1.4in5. Weight: 12.3 grams

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1. Glue wrist strap is thick and thick, strong and reliable, easy to lift 2. Built-in hook and loop fastener elastic buckle, fixed headphones 3. Double-sided sponge inner layer, which can be placed or disassembled according to the size of the equipment 4. Wear-resistant, dirt-resistant, shock-resistant 5. Material: nylon

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1. This movie screen adopts the principle of old-fashioned movie screens, which can be folded for easy carrying and can also be washed. It is suitable for use in fluid places or open spaces.2. Polyester cloth is not afraid of mold and insects, and has elasticity and recovery ability. Strong and durable, anti-wrinkle.3. Main uses: home, outdoor mobile screening of outdoor movies, bars, restaurants, food stalls, squares, courtyards, churches, outdoor camping, tourism, etc.4. Black edges are used to reinforce the surrounding, and the wiring is dense and even, strong and practical. With metal buckle for easy hanging.5. Material: polyester

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1. Brightness: 1000 lumens 2. Contrast: 1000:1 3. Display ratio: 4:3/16:9 4. Projection size: 14-100 inches 5. Projection distance: 0.5-3.2 meters 6. Recommended projection size: 30-60 inches 7. Lens focusing: manual 8. Support decoding: 1080P 9. Interface: 1x audio output, 1xHDMI, 1xUSB, 1xMicro SD, 1xDC-in 10. Working power supply: DC 12V/2A 11. Product size: 13x10x4.5cm

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1. Brightness: 1000 lumens 2. Contrast: 1000:1 3. Display ratio: 4:3/16:9 4. Projection size: 14-100 inches 5. Projection distance: 0.5-3.2 meters 6. Recommended projection size: 30-60 inches 7. Lens focusing: manual 8. Support decoding: 1080P 9. Interface: 1x audio output, 1xHDMI, 1xUSB, 1xMicro SD, 1xDC-in 10. Working power supply: DC 12V/2A 11. Product size: 13x10x4.5cm

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1. Brightness: 30 lumens2. Contrast:500:13. Display ratio: 4:3/16:94. Projection size: 20-70 inches5. Projection distance: 1-3 meters6. Lens focusing: manual7. Support decoding: 1080P8. Interface: 1 x AV，1 x HDMI，1 x USB，1 x Micro SD9. Working power supply: DC 12V/2A10. Product size: 105 x 105 x 103mm

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1. Lightweight, compact and easy to carry.2. High-quality lenses, bid farewell to out-of-focus, virtual focus and other issues, with higher-definition picture quality.3. Diffuse reflection imaging, the light does not shine directly on the eyes, care for the eyes, long-term drama is not easy to get tired, 30,000+ hours of life, long use time.4. HDR high dynamic display technology brings better contrast between bright and dark to the picture, presenting a more natural, real and bright picture.5. Built-in speakers, wireless external speakers.6. It can be connected to U disk, laptop, mobile phone, game console, SD card, desktop computer, set-top box and camera.7. Parameters:Imaging technology: TFT LCDContrast ratio: 800:1Physical resolution: 320 x 240Support resolution: 1920 x 1080Light source: LEDFocus: manualProjection distance: 0.6-2.5mProjection size: 20-60 inchesProjection ratio: 1.6:1Screen ratio: 4:3/16:9Color: 16.7 million colorsPower: 10-24WUSB multimedia format Mstar: Movie format support: MPG,AV,TS,MOV,MKV,DAT,MP4,VOB /1080P LevelAudio format: MP3,WMA,AAC,AC3,M4a(aac)…Picture format: JPG,JPEG,BMP,PNG...formats picture browsingE-book read: TXT, LRC etc.Support language: Czech/Danis/German/English/Spanish/Greek/French/Croatian/Italian/Hungarian/Dutch/Norwegian/Polish/Portuguese/Russian/Romanian/Slovene/Serbian/Finnish/Swedish/Bulgarian/Slovak/Chinese Simple.Size: 13 x 8.4 x 5.7cmInterface: AV / HDMI x 1 / USB x1 / TF x 1Package:Projector x 1Power adapter x 1Remote Controller x 1AV Signal Cable x 1User Manual x 1

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1. Lightweight, compact and easy to carry.2. High-quality lenses, bid farewell to out-of-focus, virtual focus and other issues, with higher-definition picture quality.3. Diffuse reflection imaging, the light does not shine directly on the eyes, care for the eyes, long-term drama is not easy to get tired, 30,000+ hours of life, long use time.4. HDR high dynamic display technology brings better contrast between bright and dark to the picture, presenting a more natural, real and bright picture.5. Built-in speakers, wireless external speakers.6. It can be connected to U disk, laptop, mobile phone, game console, SD card, desktop computer, set-top box and camera.7. Parameters:Imaging technology: TFT LCDContrast ratio: 800:1Physical resolution: 320 x 240Support resolution: 1920 x 1080Light source: LEDFocus: manualProjection distance: 0.6-2.5mProjection size: 20-60 inchesProjection ratio: 1.6:1Screen ratio: 4:3/16:9Color: 16.7 million colorsPower: 10-24WUSB multimedia format Mstar: Movie format support: MPG,AV,TS,MOV,MKV,DAT,MP4,VOB /1080P LevelAudio format: MP3,WMA,AAC,AC3,M4a(aac)…Picture format: JPG,JPEG,BMP,PNG...formats picture browsingE-book read: TXT, LRC etc.Support language: Czech/Danis/German/English/Spanish/Greek/French/Croatian/Italian/Hungarian/Dutch/Norwegian/Polish/Portuguese/Russian/Romanian/Slovene/Serbian/Finnish/Swedish/Bulgarian/Slovak/Chinese Simple.Size: 13 x 8.4 x 5.7cmInterface: AV / HDMI x 1 / USB x1 / TF x 1Package:Projector x 1Power adapter x 1Remote Controller x 1AV Signal Cable x 1User Manual x 1

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1. Compact, lightweight, ultra-portable design. 2. Built-in 12000 mAh rechargeable li-ion battery provides long play time and can use for outdoor. 3. Built-In Wireless display capability works as a hotspot ensuring wireless connection via Airplay or Miracast. Due to iOS exclusive policy, we suggest all Apple devices' users to play images and office documents via Airplay but videos via HDMI. 4. HDMI port for connecting smartphone, game machine, tablet or laptop. Apple devices can also be connected via the included HDMI cable. 5. This handheld projector uses the latest DLP technology and a LED light source to share your favorite media on the go. Project your pictures, play your games and even stream movies directly from your smartphone, tablet or laptop to display size of up to 300 inch. 6. This pocket-sized projector easily turns any environment into a personal or professional presentation center through its Wi-Fi or HDMI connection. 7. MSD6A628 quad core A7 up to 1.4GHz CPU, Mali450MP2 GPU, support DTMB/ DVB-T / DVB-C, 3D decoding of dual stream. 8. Video format: RMVB, RM, dat, mpg, mpeg ts, trp, tp vob MPEG2, MPEG4, Divx 3.11, Divx 4.Divx 5, Divx 6, Xvid 1.00, Xvid 1.01, Xvid 1.02, Xvid 1.03, Xvid 1.10-beta1/2, H.264. 9. Audio format: MPEG1 Layer3 AC3 EAC3 AAC, HEAAC WMA LPCM IMA-ADPCM/MS-ADPCM. 10. Support variety of image formats browsing (jpg, png, bmp etc.) 11. Support flash 11.1. 12. Support TF card and hard drive, support USB 3.0 hard drive and USB 3.0 U disk. 13. HDMI input: 480I, 480P, 576I, 576P, 720I, 720P, 1080I, 1080P.

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1. The input terminal has a MICRO USB female socket, you can directly use the mobile phone charger as an input to charge the lithium battery, and there are still input voltage wiring solder joints, which can be very convenient for DIY2. Power supply voltage: 5v3. Power supply current: 1A4. Purpose: Electric toys5. Charging cut-off voltage: 4.2v6. Large charging current: 1000mA7. Battery over-discharge protection voltage: 2.5v8. Battery overcurrent protection current: 3A9. Board size: 2.6x1.7cm10. Note: The load on the OUT terminal should be disconnected when charging, and the positive and negative poles should not be connected wrongly. Please use it according to the specifications, otherwise it will be directly damaged.

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1. Features: Higher copper content, good heat dissipation performance, strong current stability2. Manufacturing process: SMT placement machine manufacturing, non-manual welding, higher yield rate, more stable performanceRemarks:1. A single-head printer requires 4 A4988 modules.2. A set of dual-nozzle printer requires 5 A4988 modules.4. Delivery list: A4988 module x 1, heat sink aluminum sheet x 15. Matters needing attention: Please do not plug and unplug the motor and drive when the power is on, which will easily cause the drive to burn out; also do not adjust the current when the motor is running. The correct way is to first disconnect the power supply, unplug the motor, and then power on again, adjust the potentiometer, and measure the voltage on the potentiometer until the measured voltage is the same as expected. Do not plug in the reverse drive, otherwise it will burn out the drive and even the motherboard

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1. Material: Aluminum alloy shell2. Power supply voltage: DC12-28V3. Power: 100W4. Input: DC+TYPE-C dual port input5. Support fast charge protocol: PD2.0 PD3.0 PPS, For Qualcomm QC4+/QC3.0, For Huawei SCP/FCP, For OPPO VOOC, For OnePlus DASH, For iOS 2.4A, For Samsung AFC, For VIVO 9V 2A dual engine, For MediaTek PE2.06. Features:Exquisite and small, the digital tube displays the current and voltage, can switch the display content intelligently, and has strong compatibility. After the fast charge protocol is activated, the digital tube will display the output fast charge protocol type.7. Weight: About 60 grams8. Size: About 5.3x4.6x2.1 cmInstructions for use:1. Withstand voltage within 32V, it is recommended to use within 28V. This module is a pure step-down module and has no boost function. If you want to use 20V output, you must use a DC power supply above 21V; low voltage can reach 6V, but 6V is mostly fast the charge will not be activated, and the output power of 100W can only be reached when the PD is output (PD20V, 5A)2. For low-voltage and high-current fast charging, please use the original data cable. If you want to measure the charging voltage and current, you must use a low-resistance USB meter, otherwise the charging current will be affected.3. OPPO and OnePlus mobile phones must use USB port for charging, QC4+/QC4.0/PD3.0 and other protocols must use TYPE-C port4. When the USB port and TYPE-C port are plugged into the mobile phone at the same time, both ports are 5V output

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Overview1. The PCF8563 RTC Board provides the real-time clock/calendar function, which can be driven by a battery on board and works independently even when the MCU is turned off.2. The PCF8563 RTC Board features I2C pinheader on one side, and I2C connector on the opposite side. Hence, its more flexible to connect the board to your development system. The board also supports I2C cascading, allowing the use of multi module connected to the I2C bus at the same time by connecting the pinheader and connector.FeaturesPCF8563, I2C pinheader, I2C connector, 3.3V battery included

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OverviewThis is an industrial USB to RS232/485/TTL isolated converter with original FT232RL inside. It features embedded protection circuits such as power isolation, ADI magnetical isolation, and TVS diode, etc. Whats more, the USB TO RS232/485/TTL comes with an aluminium alloy enclosure, make it solid and durable to work.The USB TO RS232/485/TTL is very easy to use, fully automatic transceiving without delay. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.Features1. USB TO RS232, USB TO RS485, USB TO TTL (UART)2. Adopt original FT232RL, fast communicating, stable and reliable, better compatibility3. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal4. Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption5. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic6. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance7. Fully automatic transceiver circuit with no delay, ensures the USB port communicates with different interfaces fastly and stably, without interfering each other8. Onboard TTL serial 3.3V/5V voltage translator, config the TTL level via switch9. Aluminium alloy enclosure with sand blasting and anodic oxidation, CNC process opening, solid and durable10. 3 LEDs for indicating the power and transceiver status11. High quality USB-B and RS232 connectors, smoothly plug/pullSpecifications1. Product type: industrial optically isolated converter2. Baudrate: 300-921600bps3. Host port: USB4. Device port: RS485/RS232/TTL5. USB:- Operating voltage: 5V- Connector: USB-B- Protection: 200mA self-recovery fuse, isolated output- Transmission distance: ~5m6. RS485:- Connector: screw terminal- Pins: A+, B-, GND- Direction control: hardware automatic control- Protection: 600W lightning-proof and surge-suppress, 15KV ESD protection (reserved 120R balancing resistor solder pads)- Transmission distance: ~1200m- Transmission mode: point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)7. RS232:- Connector: DR9 male- Protection: TVS diode, surge protection, ESD protection- Transmission distance: ~15m- Transmission mode: point-to-point8. TTL (UART):- Operating voltage: 3.3V/5V- Connector: screw terminal- Pins: TXD, RXD, GND- Protection: clamp protection diode, over-voltage/negative-voltage proof, shock resistance- Transmission mode: point-to-point9. LED indicators:- PWR: red power indicator, light up when there is USB connection and voltage is detected- TXD: green TX indicator, light up when the USB port sends data- RXD: blue RX indicator, light up when the device ports send data back10. Operating environment:- Temperature: -15℃ ~ 70℃- Humidity: 5%RH ~ 95%RH11. Operating system: Windows 10 / 8.1 / 8 / 7 / XP12. Package contents:- USB TO RS232/485/TTL x1- USB cable x1

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OverviewThe USB3300 USB HS Board is an accessory board which acts as the USB high-speed external PHY device for ULPI interface, features the USB3300, MIC2075-1BM onboard.FeaturesUSB3300, MIC2075-1BM, ULPI interface

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GSM/GPRS/GNSS/Bluetooth HAT for Raspberry Pi, Based on SIM868Overview1. This is a handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth.2. It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth, and so on.Features1. Raspberry Pi connectivity, compatible with Raspberry Pi 2B/3B/3B+/Zero/Zero W2. Support SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc.3. Support GPS, COMPASS, Glonass, LBS base station positioning, omni-positioning4. Bluetooth 3.0, supports data transferring through Bluetooth5. Onboard USB TO UART converter CP2102 for UART debugging6. 6x LEDs for indicating the module working status7. SIM card slot for 1.8V/3V SIM card8. RTC with backup battery holder9. Baudrate auto detection (1200bps ~115200bps)10. Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands)11. Support SIM application toolkit: GSM 11.14 Release 9912. Come with development resources and manual (examples for Raspberry Pi/Arduino/STM32)GSM/GPRS1. Band- GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz- Quad-band auto search- Compliant to GSM phase 2/2+2. Emitting power- Class 4 (2W @ GSM 850/EGSM 900 MHz)- Class 1 (1W @ DCS 1800/PCS 1900 MHz)4. GPRS connectivity- GPRS multi-slot class 12 (default)- GPRS multi-slot class 1~12 (configurable)5. GPRS data feature- Downlink speed: max 85.6kbps- Uplink speed: max 85.6kbps- Coding schemes: CS-1\CS-2\CS-3\CS-4- Support PAP (Password Authentication Protocol) for PPP connection- Support PBCCH- Support USSD6. SMS- Support: MT/MO/CB/Text/PDU mode- SMS storage: SIM card7. Audio- Voice encode/decode mode: Half Rate\Full Rate\Enhanced Full Rate\Adaptive muti rate- Support echo cancellation- Support noise reductionGNSS1. Receiver type- 33 tracking channels- 99 acquisition channels- GPS L1 C/A code2. Sensitivity- Tracking: -165 dBm- Cold starts: -148 dBm3. Time-To-First-Fix- Cold starts: 28s (typ.)- Hot starts: < 1s- Warm starts: 26s4. Accuracy- Horizontal position: <2.5m CEPBluetooth1. Integrates AT commands2. Compliant to Bluetooth specification3.0 + EDR3. Support SPP, OPP, HFP/HSP, etc.Misc1. Operating voltage: 5V2. Operating temperature: -40 degree C ~ 85 degree C3. Storage temperature: -45 degree C ~ 90 degree C4. Dimensions: 30.2mm x 65mmWhat is on Board1. SIM868 module2. ZMM5V1: Regulator diode3. SMF05C: TVS diode4. CP2102: USB TO UART converter5. MP1482: Power chip6. NDC7002N: Voltage level translator7. GPS status indicator8. NET indicator:- Flashes fast when the module starts up- Flashes slowly after GSM register succeed9. STA module working status indicator10. SIM868 UART Tx/Rx indicator11. Power indicator12. SIM868 control button: press the button and hold for 1s, to startup/shutdown the SIM86813 .Raspberry Pi GPIO connector14. SIM card slot15. USB TO UART interface16. 3.5mm earphone/mic jack17. GNSS antenna connector18. Bluetooth antenna connector19. GSM antenna connector20. CR1220 battery holder: for RTC backup battery21. UART selection switch- A: Control the SIM868 through USB TO UART- B: Control the SIM868 through Raspberry Pi- C: Access Raspberry Pi through USB TO UARTPackage Contents1. GSM/GPRS/GNSS HAT x12. GSM Antenna x13. GPS External Antenna (B) x14. Bluetooth Antenna x15. USB type A plug to micro plug cable x16. RPi screws pack (2pcs) x1

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1. Driver chip: SSD13312. Interface: SPI3. Resolution: 96x644. Display size: 0.95 inch5. Colors: 65K colorful6. Visible angle: >160 degree7. Operating temperature: -20~70 degree C8. Storage temperature: -30~80 degree C9. Operating voltage: 3.3V / 5V

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OverviewThis is a 5.5inch AMOLED display. Compared with LCD, it has advantages of high contrast, wide color gamut, and wide viewing angle, which make it able to bring vivid and delicate visual experience.Features1. 5.5 inch AMOLED, 1080x1920 resolution2. Toughened glass capacitive touch panel, 6H hardness3. Support popular mini PCs such as Raspberry Pi, Jetson Nano, as well as general desktop computers4. When works with Raspberry Pi, supports Raspbian / Ubuntu / Kali / Retropie, driver free5. When works as a computer monitor, support Windows 10/8.1/8/7, five-points touch, and driver free6. 3.5mm audio jack, supports HDMI audio output7. M2.5 screw holes for easy mountingPackage Contents1. 5.5inch HDMI AMOLED x12. HDMI cable x13. USB type A plug to micro B plug cable x14. HDMI adapter (B) x15. USB adapter (B) x16. Screws pack x1

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Overview1. Sensitive for alcohol, ethanol2. Output voltage boosts along with the concentration of the measured gases increases3. Fast response and recovery4. Adjustable sensitivity5. Signal output indicatorSpecifications1. Power: 2.5V ~ 5.0V2. Dimension: 40.0mm * 21.0mm3. Mounting holes size: 2.0mmApplications1. Car alcohol alarm2. BreathalyserHow to UseIn the case of working with a MCU:1. VCC: 2.5V ~ 5.0V2. GND: Power supply ground3. AOUT: MCU.IO (analog output)4. DOUT: MCU.IO (digital output)Package Contents1. MQ-3 Gas Sensor x12. 4-pin custom connector jumper wire x1

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Overview1. 49E hall sensor2. Features wide range voltage comparator LM3933. Adjustable sensitivity4. Signal output indicatorSpecifications1. Power: 2.3V ~ 5.3V2. Dimension: 27.0mm * 15.5mm3. Mounting holes size: 2.0mmApplications1. Motor speed measurement2. Object position detection3. Smart car4. Electronic bricksHow to UseIn the case of working with a MCU:1. VCC : 2.3V ~ 5.3V2. GND: Power supply ground3. AOUT : MCU.IO (analog output)4. DOUT: MCU.IO (digital output)

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