Products

1. Weight: about 340 grams2. Size: about 26x15 cm3. Material: PU leather, foam pad, PP plastic bottom shell4. Application: mountain bike, road bike5. Features: the cushion is wide, soft and elastic, comfortable to sit, hollow design, ventilation, pressure reduction, comfortable riding, exquisite workmanship, wear-resistant and durable

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1. Weight: about 340 grams2. Size: about 26x15 cm3. Material: PU leather, foam pad, PP plastic bottom shell4. Application: mountain bike, road bike5. Features: the cushion is wide, soft and elastic, comfortable to sit, hollow design, ventilation, pressure reduction, comfortable riding, exquisite workmanship, wear-resistant and durable

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1. Product material: engineering plastic2. Lamp bead power: 10W3. Power supply: 8000 mA lithium battery4. 500 meters range, bright and strong light, concentrated light for long-range shooting5. High light transmittance and anti-drop resin lens, shockproof and not easy to break6. Portable design, ergonomic, not easy to slip off7. Professional lanyard hole design, easy to carry8. Changeover switch, strong and weak double gears, change at will9. IPX4 waterproof, shock and drop resistance10. The service life of the lamp beads is up to 100,000 hours11. Net weight of torch: 1042g12. Dimensions: 223x145 mmPacking list:- Searchlight x 1- Manual x 1- Charging cable x 1- Lanyard x 1- Packing box x 1

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1. Material: ABS2. Applicable environment: hiking, camping, daily carrying, patrol3. Battery capacity: Lithium battery 1500mAh4. Lamp bead power: 2W5. The handle is non-slip, sturdy and durable, and will not get tired after a long time6. Thickened waterproof rubber switch, independent switch operation is more convenient7. Large-caliber aluminum alloy reflector, high-brightness long shot8. Use with shoulder strap, easy to carry9. Net weight: 228 grams10. Product size: 180x90 mmpacking list:- Strap x 1- Flashlight x 1- Data cable x 1- Packing box x 1

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1. Shell material: plastic2. USB rated input: 5V--0.3A3. Rated power: 1.5W4. With strong suction power, the DC fan produces a large suction cyclone, and mosquitoes are inhaled instantly5. Physically kill mosquitoes, suitable for mothers and babies6. The upper and lower grids of the tuyere can prevent fingers from accidentally touching7. One key switch is more convenient8. The 7-blade fan has stronger wind power9. Detachable mosquito storage box, easy to clean10. The USB socket has multiple charging methods, which is light and convenient11. Weight: 211.9g12. Dimensions: 134x145.5 mm

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1. Power: 1W2. Light source form: LED3. Power source: charging4. Battery capacity: 1200 mA5. Scope of application: picking fruits and vegetables, community patrols, vehicle maintenance, outdoor night fishing, etc.6. Aluminum ring lamp holder design, light and convenient to wear without getting tired7. The angle of the lamp head can be adjusted up and down by 90 degrees8. Two levels of dimming, convenient and easy to use9. Silicone dust plug design, dustproof + waterproof, charging protection10. Forehead cushion design, comfortable to wear11. Adjustable elastic headband, adjust according to itself12. Weight: 80 grams13. Dimensions: 5x4.2x6.2 cm

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1. Material: plastic2. Light source: 24 LED chips3. Battery capacity: 1200mAh4. Power supply mode: USB connector, notebook, power bank, USB socket, etc.5. Brightness adjustment: three-speed adjustment6. Color temperature: cool white7. Number of lamp beads: 248. Power: 2W9. Built-in 60 square centimeters eye protection light to shield divergent glare10. Soft light is clear without thorns, no visible strobe11. Three-axis folding is small in size and easy to store12. Product size: 162x70x47mm (after folding)13. Product net weight: 220 grams

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1. Material: plastic2. Light source: 24 LED chips3. Battery capacity: 1200mAh4. Power supply mode: USB connector, notebook, power bank, USB socket, etc.5. Brightness adjustment: three-speed adjustment6. Color temperature: cool white7. Number of lamp beads: 248. Power: 2W9. Built-in 60 square centimeters eye protection light to shield divergent glare10. Soft light is clear without thorns, no visible strobe11. Three-axis folding is small in size and easy to store12. Product size: 162x70x47mm (after folding)13. Product net weight: 220 grams

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1. Material: plastic2. Light source: 24 LED chips3. Battery capacity: 1200mAh4. Power supply mode: USB connector, notebook, power bank, USB socket, etc.5. Brightness adjustment: three-speed adjustment6. Color temperature: cool white7. Number of lamp beads: 248. Power: 2W9. Built-in 60 square centimeters eye protection light to shield divergent glare10. Soft light is clear without thorns, no visible strobe11. Three-axis folding is small in size and easy to store12. Product size: 162x70x47mm (after folding)13. Product net weight: 220 grams

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1. Material: ABS2. Light source: white light3. Battery capacity: 2400 mAh4. Power: 3W5. Applicable environment: night fishing, night riding, camping, etc.6. Range: 200-500 meters7. High light transmission glass lens, longer range8. 90 degree card wheel adjustment, free adjustment of lighting angle9. Large V-shaped lamp cup, brighter light source10. Adjustable headband, with sponge pad, comfortable to wear11. Dimensions: 98x80x52 mm12. Weight: about 250 grams

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1. Material: ABS2. Battery capacity: 3000 mAh3. Lamp bead power: 5W4. Light source form: LED5. Using high-quality CREE lamp beads, the LED light source consumes low energy6. Red charging indicator, normal charging takes 14 hours7. High light transmittance and anti-drop resin lens, shockproof and not easy to break8. Portable design, ergonomic, not easy to slip off9. Professional lanyard hole design, easy to carry10. Change-over switch, strong and weak double gears, change at will11. Dimensions: 215x122 mm12. Weight: 668 gramsPacking list:- Searchlight x 1- Manual x 1- Charging cable x 1- Lanyard x 1- Packing box x 1

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1. Modes: YG-8102 2. Use: Reading,work,lighting 3. Light modes: High-Middle-Low-OFF 4. Material: Acryl 5. Body Material: ABS 6. Table lamp pillar: Silicone hose 7. LED lamp wattage: 2W 8. Base: Clip or stand 9. Color temperature: 6000-7000K 10. Switch type: Touch On/Off 11. Charging method: USB charger 12. Battery capacity: 1200mAh Package: 1 x Box 1 x Desk Lamp 1 x USB cable

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Notes1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. 2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. 3. 16-in-1 superkit programmable building block kit is designed based on BBC Micro:bit, which is composed of Super:bit expansion board, building block servo, Building block motor, battery and 358 building block parts. 4. We combine building blocks with electronic devices to bring your building blocks to life, and it can also play music and realize colorful lights. On the one hand, it allows children to learn programming. On the other hand, it can also cultivate children practical ability and stimulate creativity by assembling building blocks.Features1. Designed based on BBC Micro:bit, equipped with Super:bit professional expansion board. - Popular microcontrollers for children are suitable for STEAM education. - Super:bit expansion board specially designed for Micro:bit can integrate with building blocks well, build any shape, and drive building block servo, motor, RGB lights and other devices. 2. 16 kinds of building block models + full color printing project instruction manual - The building block parts of this kit are dominated by blue and white, the whole is full of science and technology,which can be assembled into N models. - The manual include assembly steps of 16 kinds of model and basic instruction content for programming. 3. MakeCode programming + Python programming, suitable for users with different ages. - MakeCode programming: Itcan effectively reduce learning threshold and improve children interest in learning by by dragging and splicing colorful building blocks - Python programming: A string of character commands control the building blocks, writing a wonderful chapter belonging to the Makers and building block enthusiasts. 4. Support APP/game handle remote control - When using different equipment to interact with the building blocks, user can experience the fun brought by technology. 5. Compatible with Lego building block, various gameplays - 16 kinds of models with up to 80+ gameplays, such as spider walking, helicopter propeller rotation, car wriggling, cannonball shooting, etc. - Users can also expand through more Lego bricks and build more interesting shapes.Specifications1. Applicable age: 8 years old and above 2. Programming language: MakeCode graphical programming/python programming 3. Remote control method: BT APP/ micro:bit gamepad 4. Main material: ABS 5. Onboard functions: RGB lights, buzzer, etc. 6. Number of building blocks: 358 high-precision building blocks 7. Motor/Servo: Motor x 2; Servo x 1 8. Operating temperature: 4-40 degrees Celsius

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1. VCC: power supply interface, can be connected to 3.3V, 5V2. GND: ground3. RGB: signal input4. NC: empty interface, no connection required5. Working voltage: 3.3V/5V6. Module size: 28.7x30mm7. RGB lamp model: TX1812C8. Interface mode: crocodile clip interface, DuPont line interface, PH2.0 cable interface9. The module comes with 8 RGB lights and supports three connection methods: crocodile clips, Dupont wires, and PH2.0 wires10. The user can control it to change into any color through programming to realize the effects of water lamp, marquee lamp, breathing lamp, etc.11. Tutorial materials for Micro:bit, Arduino, and Raspberry Pi will be provided for user reference12. The module is composed of 8 programmable RGB lights. RGB lights are independently addressable full-color light sources combined by integrated circuits and LEDs. Each color of R (red), G (green), and B (blue) is divided into 256 levels of brightness. It has the characteristics of small size, high brightness, programmable, and colorful lights. It is often used in lighting decorations, festival lights, and project indicators

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Notes1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. 2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. 3. Micro:bit board is designed by BBC which aims to help children at or above 7 grade to learn programming better. Micro:bit board has abundant board resources, including a 5*5 LED metric dot array, 2 programmable buttons, Compass, USB ports, Bluetooth module etc.. It is only pocket size but very powerful. You can programming, customize or control it as well. 4. The latest Micro:bit V2 board comes with a touchable Logo and MEMS microphone on the front. A speaker is added on the back, so all kinds of sounds can be played without external equipment. The gold finger at the bottom adds a gear design to facilitate the user to better fix the alligator clip. In addition, the 2nd generation Micro:bit board also support sleep mode. Users can make it enter sleep mode by long pressing the reset button, which can reduce power consumption. The most important feature is that the CPU performance of the Micro:bit V2 board is much better than the V1 version, coupled with more RAM. So Micro:bit V2 allow users to expand more functions and create more creative works.Features1. BBC Micro:bit is one of the most popular STME education products in the world. 2. The size is relatively small, it comes with abundant resources. 3. It supports multiple programming languages such as, MakeCode/JavaScript/Python. 4. It can transmit data through its built-in Bluetooth/wireless function. 5. Compared with other controllers, Micro:bit programming operation steps are simpler, which is suitable for beginners and young children. 6. Users can build robot cars or learning kits based on it.

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About The ProtuctThis world of module programmable robot kit includes 1 professional sensor expansion board, 2 building block servos, 10 electronic sensor modules and 300+ building block parts. Support MakeCode and Python programming, suitable for users over 6 years old. We have created more than 20 kinds of models, and also provided detailed experimental cases for children to learn programming and sensor knowledge while playing with building blocks.Features19 kinds of modules 1. 4 kinds of key input modules: button module, potentiometer module, rocker module, collision module. 2. 9 kinds of sensor modules: gesture recognition module, human body infrared module, infrared module, photosensitive module, sound module, temperature-humidity module, ultrasonic module, vibration module, color recognition module. 3. 2 kinds of display modules: digital tube module, RGB module. 4. 1 kind of remote communication module: infrared receiving module. 5. 1 kind of motor drive module: vibration motor module 6. 2 kinds of voice interaction modules: buzzer module, speech broadcast module. 3 kinds of expansion boards 1. Micro:bit expansion board: suitable for Micro:bit board, using MakeCode graphical programming, suitable for young children. 2. Arduino sensor expansion board: suitable for Arduino UNO board, using Arduino IDE C++ programming, suitable for students with programming experience. 3. Pico expansion board: suitable for Pico board, using Python programming, suitable for Raspberry Pi fans. Compatible with Lego blocks - A building block expansion package is available. Use anti-reverse PH2.0 cable 1. Buy any module and get a 30cm PH2.0 cable for free. 2. Easy to plug, and can avoid users connecting the line wrongly. Environmentally friendly and beautiful private mode case 1. Perfectly compatible with every module and does not affect any wiring. 2. Using ABS material, beautiful and durable. 3. Block holes are reserved on the bottom and around the case, which can be fixed on the blocks.

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1. Data information: distance, angle, intensity, time stamp2. Scanning angle: 360 degrees3. Dot frequency: 4,500 dots/second4. Rotation speed: 7~15Hz, default 10Hz5. Angle resolution: 0.8 degrees @10Hz6. Laser emission pitch angle: 0.5°-2°7. Laser zero-degree exit azimuth: 0±2 degrees8. Laser wavelength: near infrared9. Human eye safety level: Class 1 IEC60825-1:201410. Anti-ambient light performance: 30,000 lux11. Working life: 10,000 hours12. Working power supply: DC 5.0±0.5V13. Voltage ripple: 100mV14. Starting current: 500mA15. Typical value of working current: 260mA16. Protection class: IP5X17. Lightweight and compact, it can be easily installed on any equipment18. Using the principle of TOF ranging, the scanning radius can reach 12 meters, which can effectively perceive the environmental information in the far direction, and is suitable for most indoor and outdoor scenes19. Based on ROS robots, we provide ROS1, ROS2 driver codes, debugging software and related tutorials for user reference20. In addition to the separate lidar module, Yahboom also provides connecting cables and serial port adapter boards for users to debug and use21. The scanning frequency is 7Hz~15Hz, the sampling frequency is 4500 times/second, and the strong light resistance is 30kLux22. Can be used for Raspberry Pi, Jetson, RDK-X3 development board, personal computer and other equipment23. Adopt serial communication interface, support DC 5V working voltage24. The ranging core of MS200 radar rotates clockwise, which can realize 360-degree omni-directional scanning and ranging detection of the surrounding environment, so as to obtain the contour map of the surrounding environment25. It can resist the strong light environment of 30klux, and realize the high-frequency and high-precision distance measurement indoor and outdoor26. After connecting the MS200 lidar to your computer through the Type-c data cable, you can use it directly without any coding work27. Dimensions: 37.7x37.5x33.0mm28. Net weight: about 40 grams

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1. STM32F103C8T6: It is a model with a high market share in the single-chip microcomputer market, and is widely used in electronic design competitions, smart cars, robots, flight control, industrial control and other fields2. GD32F103C8T6: It is a domestic alternative to STM32F103C8T6. The peripheral pins are exactly the same as 3. STM32F103C8T6. It is equipped with a new generation of Cortex M3 core, with higher CPU frequency, lower power consumption and higher cost performance.4. STM32F103RCT6: Contains all the pins of STM32F103C8T6 and some other peripheral pins, which can directly use the STM32 large-capacity standard library5. APM32E103RET6 is a domestic alternative to STM32F103RCT6. It has a higher main frequency clock and lower operating power consumption. The built-in flash is 2 times that of RCT6, and the SRAM is 2.7 times that of RCT6. It is more cost-effective6. The board is equipped with STM32 small system circuit, among which STM32F103RCT6 and APM32E103RET6 are also equipped with a 6-axis IMU on board, which can be used to obtain motion attitude7. The core board leads to all 1/0 port resources8. With SWD simulation debugging download interface, compared with traditional JTAG debugging, it is more reliable in high-speed mode, and the probability of download failure is smaller9. Immersion gold technology, small size, reasonable and standardized layout and routing, high-quality SMD crystal oscillator, high quality10. Using the Type-C interface, it can be used for power supply, program download and serial communication11. C8T6 is equipped with high-quality 1x20 pin headers to ensure firm contact. At the same time, it adopts half-hole technology to facilitate customers to solder leads12. RCT6/RET6 is equipped with high-quality 2x15 pin headers to ensure firm contact, and can be placed on a universal board or breadboard according to requirements13. Reserve SWD debugging interface, support J-link, ST-link simulation online debugging code14. The onboard 8P FPC connector supports the connection of a 0.96-inch TFT color display, which can be used to display Chinese characters, character strings, and pictures15. GD32F103C8T6/STM32F103C8T6 size: 18x51mm16. APM32E103RET6/STM32F103RCT6 size: 35x55mm17. GD32F103C8T6/STM32F103C8T6 weight: 6.7 grams18. APM32E103RET6/STM32F103RCT6 weight: 11.8 gramsTFT color screen:1. Size: 0.96 inches2. Material: HD IPS LCD3. Resolution: 80(H)RGBx160(V)4. Driver chip: ST7735S5. Communication interface: iic6. Display color: full color7. Display area: 10.8(H)x21.7(V)mm8. Panel size: 13.5(H)x27.95(V)x1.5(D)mm9. Pixel pitch: 0.135(H)x0.1356(V)mm10. Connection method: plug-in type 8Pin (0.5mm pitch plug-in type)11. Working current: 20ma12. Working voltage: 3.3V13. Working temperature: -20~70 degrees14. Backlight type: side-lit LED backlight

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1. STM32F103C8T6: It is a model with a high market share in the single-chip microcomputer market, and is widely used in electronic design competitions, smart cars, robots, flight control, industrial control and other fields2. GD32F103C8T6: It is a domestic alternative to STM32F103C8T6. The peripheral pins are exactly the same as 3. STM32F103C8T6. It is equipped with a new generation of Cortex M3 core, with higher CPU frequency, lower power consumption and higher cost performance.4. STM32F103RCT6: Contains all the pins of STM32F103C8T6 and some other peripheral pins, which can directly use the STM32 large-capacity standard library5. APM32E103RET6 is a domestic alternative to STM32F103RCT6. It has a higher main frequency clock and lower operating power consumption. The built-in flash is 2 times that of RCT6, and the SRAM is 2.7 times that of RCT6. It is more cost-effective6. The board is equipped with STM32 small system circuit, among which STM32F103RCT6 and APM32E103RET6 are also equipped with a 6-axis IMU on board, which can be used to obtain motion attitude7. The core board leads to all 1/0 port resources8. With SWD simulation debugging download interface, compared with traditional JTAG debugging, it is more reliable in high-speed mode, and the probability of download failure is smaller9. Immersion gold technology, small size, reasonable and standardized layout and routing, high-quality SMD crystal oscillator, high quality10. Using the Type-C interface, it can be used for power supply, program download and serial communication11. C8T6 is equipped with high-quality 1x20 pin headers to ensure firm contact. At the same time, it adopts half-hole technology to facilitate customers to solder leads12. RCT6/RET6 is equipped with high-quality 2x15 pin headers to ensure firm contact, and can be placed on a universal board or breadboard according to requirements13. Reserve SWD debugging interface, support J-link, ST-link simulation online debugging code14. The onboard 8P FPC connector supports the connection of a 0.96-inch TFT color display, which can be used to display Chinese characters, character strings, and pictures15. GD32F103C8T6/STM32F103C8T6 size: 18x51mm16. APM32E103RET6/STM32F103RCT6 size: 35x55mm17. GD32F103C8T6/STM32F103C8T6 weight: 6.7 grams18. APM32E103RET6/STM32F103RCT6 weight: 11.8 gramsTFT color screen:1. Size: 0.96 inches2. Material: HD IPS LCD3. Resolution: 80(H)RGBx160(V)4. Driver chip: ST7735S5. Communication interface: iic6. Display color: full color7. Display area: 10.8(H)x21.7(V)mm8. Panel size: 13.5(H)x27.95(V)x1.5(D)mm9. Pixel pitch: 0.135(H)x0.1356(V)mm10. Connection method: plug-in type 8Pin (0.5mm pitch plug-in type)11. Working current: 20ma12. Working voltage: 3.3V13. Working temperature: -20~70 degrees14. Backlight type: side-lit LED backlight

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1. STM32F103C8T6: It is a model with a high market share in the single-chip microcomputer market, and is widely used in electronic design competitions, smart cars, robots, flight control, industrial control and other fields2. GD32F103C8T6: It is a domestic alternative to STM32F103C8T6. The peripheral pins are exactly the same as 3. STM32F103C8T6. It is equipped with a new generation of Cortex M3 core, with higher CPU frequency, lower power consumption and higher cost performance.4. STM32F103RCT6: Contains all the pins of STM32F103C8T6 and some other peripheral pins, which can directly use the STM32 large-capacity standard library5. APM32E103RET6 is a domestic alternative to STM32F103RCT6. It has a higher main frequency clock and lower operating power consumption. The built-in flash is 2 times that of RCT6, and the SRAM is 2.7 times that of RCT6. It is more cost-effective6. The board is equipped with STM32 small system circuit, among which STM32F103RCT6 and APM32E103RET6 are also equipped with a 6-axis IMU on board, which can be used to obtain motion attitude7. The core board leads to all 1/0 port resources8. With SWD simulation debugging download interface, compared with traditional JTAG debugging, it is more reliable in high-speed mode, and the probability of download failure is smaller9. Immersion gold technology, small size, reasonable and standardized layout and routing, high-quality SMD crystal oscillator, high quality10. Using the Type-C interface, it can be used for power supply, program download and serial communication11. C8T6 is equipped with high-quality 1x20 pin headers to ensure firm contact. At the same time, it adopts half-hole technology to facilitate customers to solder leads12. RCT6/RET6 is equipped with high-quality 2x15 pin headers to ensure firm contact, and can be placed on a universal board or breadboard according to requirements13. Reserve SWD debugging interface, support J-link, ST-link simulation online debugging code14. The onboard 8P FPC connector supports the connection of a 0.96-inch TFT color display, which can be used to display Chinese characters, character strings, and pictures15. GD32F103C8T6/STM32F103C8T6 size: 18x51mm16. APM32E103RET6/STM32F103RCT6 size: 35x55mm17. GD32F103C8T6/STM32F103C8T6 weight: 6.7 grams18. APM32E103RET6/STM32F103RCT6 weight: 11.8 gramsTFT color screen:1. Size: 0.96 inches2. Material: HD IPS LCD3. Resolution: 80(H)RGBx160(V)4. Driver chip: ST7735S5. Communication interface: iic6. Display color: full color7. Display area: 10.8(H)x21.7(V)mm8. Panel size: 13.5(H)x27.95(V)x1.5(D)mm9. Pixel pitch: 0.135(H)x0.1356(V)mm10. Connection method: plug-in type 8Pin (0.5mm pitch plug-in type)11. Working current: 20ma12. Working voltage: 3.3V13. Working temperature: -20~70 degrees14. Backlight type: side-lit LED backlight

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1. STM32F103C8T6: It is a model with a high market share in the single-chip microcomputer market, and is widely used in electronic design competitions, smart cars, robots, flight control, industrial control and other fields2. GD32F103C8T6: It is a domestic alternative to STM32F103C8T6. The peripheral pins are exactly the same as 3. STM32F103C8T6. It is equipped with a new generation of Cortex M3 core, with higher CPU frequency, lower power consumption and higher cost performance.4. STM32F103RCT6: Contains all the pins of STM32F103C8T6 and some other peripheral pins, which can directly use the STM32 large-capacity standard library5. APM32E103RET6 is a domestic alternative to STM32F103RCT6. It has a higher main frequency clock and lower operating power consumption. The built-in flash is 2 times that of RCT6, and the SRAM is 2.7 times that of RCT6. It is more cost-effective6. The board is equipped with STM32 small system circuit, among which STM32F103RCT6 and APM32E103RET6 are also equipped with a 6-axis IMU on board, which can be used to obtain motion attitude7. The core board leads to all 1/0 port resources8. With SWD simulation debugging download interface, compared with traditional JTAG debugging, it is more reliable in high-speed mode, and the probability of download failure is smaller9. Immersion gold technology, small size, reasonable and standardized layout and routing, high-quality SMD crystal oscillator, high quality10. Using the Type-C interface, it can be used for power supply, program download and serial communication11. C8T6 is equipped with high-quality 1x20 pin headers to ensure firm contact. At the same time, it adopts half-hole technology to facilitate customers to solder leads12. RCT6/RET6 is equipped with high-quality 2x15 pin headers to ensure firm contact, and can be placed on a universal board or breadboard according to requirements13. Reserve SWD debugging interface, support J-link, ST-link simulation online debugging code14. The onboard 8P FPC connector supports the connection of a 0.96-inch TFT color display, which can be used to display Chinese characters, character strings, and pictures15. GD32F103C8T6/STM32F103C8T6 size: 18x51mm16. APM32E103RET6/STM32F103RCT6 size: 35x55mm17. GD32F103C8T6/STM32F103C8T6 weight: 6.7 grams18. APM32E103RET6/STM32F103RCT6 weight: 11.8 gramsTFT color screen:1. Size: 0.96 inches2. Material: HD IPS LCD3. Resolution: 80(H)RGBx160(V)4. Driver chip: ST7735S5. Communication interface: iic6. Display color: full color7. Display area: 10.8(H)x21.7(V)mm8. Panel size: 13.5(H)x27.95(V)x1.5(D)mm9. Pixel pitch: 0.135(H)x0.1356(V)mm10. Connection method: plug-in type 8Pin (0.5mm pitch plug-in type)11. Working current: 20ma12. Working voltage: 3.3V13. Working temperature: -20~70 degrees14. Backlight type: side-lit LED backlight

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1. STM32F103C8T6: It is a model with a high market share in the single-chip microcomputer market, and is widely used in electronic design competitions, smart cars, robots, flight control, industrial control and other fields2. GD32F103C8T6: It is a domestic alternative to STM32F103C8T6. The peripheral pins are exactly the same as 3. STM32F103C8T6. It is equipped with a new generation of Cortex M3 core, with higher CPU frequency, lower power consumption and higher cost performance.4. STM32F103RCT6: Contains all the pins of STM32F103C8T6 and some other peripheral pins, which can directly use the STM32 large-capacity standard library5. APM32E103RET6 is a domestic alternative to STM32F103RCT6. It has a higher main frequency clock and lower operating power consumption. The built-in flash is 2 times that of RCT6, and the SRAM is 2.7 times that of RCT6. It is more cost-effective6. The board is equipped with STM32 small system circuit, among which STM32F103RCT6 and APM32E103RET6 are also equipped with a 6-axis IMU on board, which can be used to obtain motion attitude7. The core board leads to all 1/0 port resources8. With SWD simulation debugging download interface, compared with traditional JTAG debugging, it is more reliable in high-speed mode, and the probability of download failure is smaller9. Immersion gold technology, small size, reasonable and standardized layout and routing, high-quality SMD crystal oscillator, high quality10. Using the Type-C interface, it can be used for power supply, program download and serial communication11. C8T6 is equipped with high-quality 1x20 pin headers to ensure firm contact. At the same time, it adopts half-hole technology to facilitate customers to solder leads12. RCT6/RET6 is equipped with high-quality 2x15 pin headers to ensure firm contact, and can be placed on a universal board or breadboard according to requirements13. Reserve SWD debugging interface, support J-link, ST-link simulation online debugging code14. The onboard 8P FPC connector supports the connection of a 0.96-inch TFT color display, which can be used to display Chinese characters, character strings, and pictures15. GD32F103C8T6/STM32F103C8T6 size: 18x51mm16. APM32E103RET6/STM32F103RCT6 size: 35x55mm17. GD32F103C8T6/STM32F103C8T6 weight: 6.7 grams18. APM32E103RET6/STM32F103RCT6 weight: 11.8 gramsTFT color screen:1. Size: 0.96 inches2. Material: HD IPS LCD3. Resolution: 80(H)RGBx160(V)4. Driver chip: ST7735S5. Communication interface: iic6. Display color: full color7. Display area: 10.8(H)x21.7(V)mm8. Panel size: 13.5(H)x27.95(V)x1.5(D)mm9. Pixel pitch: 0.135(H)x0.1356(V)mm10. Connection method: plug-in type 8Pin (0.5mm pitch plug-in type)11. Working current: 20ma12. Working voltage: 3.3V13. Working temperature: -20~70 degrees14. Backlight type: side-lit LED backlight

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1. DIY design helps cultivate logical thinking and practical abilities;2. Support your own programming and learn from it3. Support IOS/Android App control, easy to operate4. Use MakeCode graphical Python programming to support dual-system gyroscope calibration equipped with Super:bit5. Tumble: The Drill Building Kit contains 315 bricks and two building motors for building balance bikes and unicycles. It is equipped with a super:bit expansion board, uses BBC micro:bit as the core controller, and uses MakeCode Editor graphics and Python programming to realize game play such as colorful lights and music whistles. Using physical self-balancing method, the gyroscope calibrates the movement posture in real time, which can keep the car balanced and walk on various terrains. Compared with other building block carts, its biggest difference is that it adopts a rubber band fixed structure, which has the characteristics of shock absorption, anti-fall, and easy buffering. In addition, it also supports Android/iOS dual system Bluetooth APP control, as well as remote control using a micro:bit handle. We will provide detailed installation tutorials and it only takes 30 minutes to complete the assembly.Packing list:Tumble:bit building block packRecommended reason: suitable for users who already have micro:bit and Super:bit expansion boardBuilding blocks x 315Building block motor x 2Tumble:bit building block pack+super:bitRecommended reason: suitable for users who already have micro:bitBuilding blocks x 315Building block motor x 2Super:bit expansion board x 1USB cable x 1Lithium battery x 1Tumble:bit package (with micro:bit)Recommended reason: complete configuration to use directlyBuilding blocks x 315Building block motor x 2Super:bit expansion board x 1USB cable x 1Lithium battery x 1BBC micro:bit x 1Note: This robot car will not work without a Microbit board, if you dont have a Microbit board, please choose the version with Microbit.

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1. DIY design helps cultivate logical thinking and practical abilities;2. Support your own programming and learn from it3. Support IOS/Android App control, easy to operate4. Use MakeCode graphical Python programming to support dual-system gyroscope calibration equipped with Super:bit5. Tumble: The Drill Building Kit contains 315 bricks and two building motors for building balance bikes and unicycles. It is equipped with a super:bit expansion board, uses BBC micro:bit as the core controller, and uses MakeCode Editor graphics and Python programming to realize game play such as colorful lights and music whistles. Using physical self-balancing method, the gyroscope calibrates the movement posture in real time, which can keep the car balanced and walk on various terrains. Compared with other building block carts, its biggest difference is that it adopts a rubber band fixed structure, which has the characteristics of shock absorption, anti-fall, and easy buffering. In addition, it also supports Android/iOS dual system Bluetooth APP control, as well as remote control using a micro:bit handle. We will provide detailed installation tutorials and it only takes 30 minutes to complete the assembly.Packing list:Tumble:bit building block packRecommended reason: suitable for users who already have micro:bit and Super:bit expansion boardBuilding blocks x 315Building block motor x 2Tumble:bit building block pack+super:bitRecommended reason: suitable for users who already have micro:bitBuilding blocks x 315Building block motor x 2Super:bit expansion board x 1USB cable x 1Lithium battery x 1Tumble:bit package (with micro:bit)Recommended reason: complete configuration to use directlyBuilding blocks x 315Building block motor x 2Super:bit expansion board x 1USB cable x 1Lithium battery x 1BBC micro:bit x 1Note: This robot car will not work without a Microbit board, if you dont have a Microbit board, please choose the version with Microbit.

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1. DIY design helps cultivate logical thinking and practical abilities;2. Support your own programming and learn from it3. Support IOS/Android App control, easy to operate4. Use MakeCode graphical Python programming to support dual-system gyroscope calibration equipped with Super:bit5. Tumble: The Drill Building Kit contains 315 bricks and two building motors for building balance bikes and unicycles. It is equipped with a super:bit expansion board, uses BBC micro:bit as the core controller, and uses MakeCode Editor graphics and Python programming to realize game play such as colorful lights and music whistles. Using physical self-balancing method, the gyroscope calibrates the movement posture in real time, which can keep the car balanced and walk on various terrains. Compared with other building block carts, its biggest difference is that it adopts a rubber band fixed structure, which has the characteristics of shock absorption, anti-fall, and easy buffering. In addition, it also supports Android/iOS dual system Bluetooth APP control, as well as remote control using a micro:bit handle. We will provide detailed installation tutorials and it only takes 30 minutes to complete the assembly.Packing list:Tumble:bit building block packRecommended reason: suitable for users who already have micro:bit and Super:bit expansion boardBuilding blocks x 315Building block motor x 2Tumble:bit building block pack+super:bitRecommended reason: suitable for users who already have micro:bitBuilding blocks x 315Building block motor x 2Super:bit expansion board x 1USB cable x 1Lithium battery x 1Tumble:bit package (with micro:bit)Recommended reason: complete configuration to use directlyBuilding blocks x 315Building block motor x 2Super:bit expansion board x 1USB cable x 1Lithium battery x 1BBC micro:bit x 1Note: This robot car will not work without a Microbit board, if you don't have a Microbit board, please choose the version with Microbit.

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Notices1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. 2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. 3. This handle is small and easy to carry. The joystick, button, buzzer, vibration motor, and other modules are integrated on the handle, users can achieve play music, making games and so on by micro:bit programming. It can be used to complete some funny battle games, and be used to remotely control various types of micro-bit related cars, robots, DIY works, etc. Building block holes are also designed on the chassis of this handle to support the installation of Building blocks.Features1. Small size, suitable for children. 2. Onboard some electronic modules, which can be used as a game console or a remote controller. 3. Support graphical programming and we will provide part courses. 4. It can be combined with the building blocks to change the shape by DIY.

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Notices1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. 2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. 3. Yahboom micro:bit smart robot is developed with the most popular Micro:bit board as the core controller. Using Micro:bit dot matrix screen as the body, the entire vehicle adopts elaborate metal motor, high-quality battery and firm bracket to create a compact and beautiful appearance. And it is controlled by Android mobile App remote controller connecting with Micro:bit onboard Bluetooth. We also offer three kinds of comprehensive courses: simple development board experiments, more complex expansion board experiments, and interesting smart robot experiments.It is the best choice for all makers, educators, and amateurs.Features1.The car is a collection of Micro:bit board, learning kits, and expansion boards, allowing you to learn Micro:bit from simplest to more complex. 2. The vehicle model is small and cute. Most of the parts are connected with screws and a few parts are designed with the anti-reverse socket, which makes installation simple and safe. 3. Multi-function expansion board with vertical slot structure as chassis of the vehicle, it is equipped with RGB lights, sensors, buzzers, various module interfaces and so on, Besides, it can drive 2 DC motors and 3 servos simultaneously. 4.It supports multiple functions: tracking, ultrasonic obstacle avoidance, following, light discoloration, singing, playing music, etc. 5. It can be controlled by an Infrared remote controller, and APP remote control by Android / iOS. 6. It supports JavaScript graphical programming, Python and other micro:bit programming methods 7. More than 30 kinds of experiment courses are provided.Package List1. Expansion board x 1 2. Vertical ultrasonic sensor(Include cable) x 1 3. Motor x 2 4. Acrylic board for ultrasonic sensor 5. Tire x 2 6. Micro usb cable x 1 7. Infrared remote control x 1 8. Screwdriver x 1 9. M3 x 40 copper pillar x 4 10. Bracket x 2 11. Magic sticker x 2 12. Instruction manual x 1 13 Universal wheel x 1 14. Motor bracket x 2 15. Screw & nut set x 1 16. Track x 1 17. Packing box x 1

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1. Battery life: 2.5 hours2. Microprocessor: RP20403. Power supply mode: single 18650 2200MAH (not included) charging interface: microUSB4. Communication method: Bluetooth 5.05. Remote control method: mobile APP/infrared remote control6. Input device: photoresistor, four-way line inspection, sound sensor, ultrasonic, bluetooth, infrared receiver7. Output device: OLED display, passive buzzer, N20 motor, steering gear interface, programmable RGB lights8. Safety protection: overcurrent protection, overcharge protection, motor stall protection Motor solution: N20 motor x29. Dimensions after assembly: 120x96x56mm10. Weight after assembly: 182 grams11. The Raspberry Pi Pico robot is a compact and cost-effective educational programmable two-wheel-drive smart car12. Based on Raspberry Pi Pico, using MicroPython as a programming language, combined with onboard sensors, many interesting functions are realized13. The robot has an infrared receiver and a Bluetooth module, and users can remotely control it through an infrared remote control or a mobile phone APP14. The servo interface, IIC interface, and public pins are reserved on the expansion board to facilitate users to expand more functions15. Small size, reasonable layout, high cost performance16. Lots of onboard resources: tracking sensor, ultrasonic, light sensor, sound sensor, buzzer, bluetooth module, OLED display, infrared receiver17. Reserve a variety of expansion interfaces: IIC interface, servo interface, GPIO interfacepacking list:- Pico car expansion board x 1- Pico motherboard x 1- N20 motor x 1- N20 motor mount x 1- N20 Universal Wheel x 1- OLED screen x 1- 5.0 Bluetooth module x 1- Micro USB cable x 1- Instructions x 1- Remote control x 1- Screw bag x 1- Screwdriver x 1- Tracking Map x 1- N20 tire x 1

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1. Working voltage: DC 3.3V-5V2. Output signal: 128x1 pixels3. Response time: 100ms (test routine)4. Equipped with lens: 56-degree distortion-free lens5. Detection distance: within 5-40cm (because of the lens, it is not suitable for long-distance forward-looking tests)6. Application occasions: STM32 single-chip CCD camera black line tracking, obstacle avoidance, multi-channel line inspection and other image processing electronic design7. The linear CCD module can collect the image information of the ground line, and extract the characteristic information of the line through the image processing algorithm, so as to achieve higher precision line inspection8. Stronger adaptability: linear CCD module line inspection is not limited by lighting conditions, and can be used under various lighting conditions9. Stronger scalability: Linear CCD module line inspection can adapt to different line inspection scenarios by changing image processing algorithms and parameters to achieve wider applications10. The linear CCD module contains 128 linearly arranged photodiodes. When a frame of image is taken, the image is a long strip with only one pixel width, and is divided into 128 AD data from left to right, and each AD data represents a pixel. Gray value, the collected gray value will be output in the form of analog signal (voltage) on the AO line11. Using 128-pixel linear array CCD, working voltage 3.3-5V, detection distance 5-40 cm12. Onboard 5PIn-XH2.54 anti-reverse connection interface, the pin distribution is GND, VCC, AO, CLK, SI13. Smart car tracking for higher speeds14. Dimensions: 28x26x40 mm15. Weight: 7.2 grams (module)Working principle:When shooting a scene, the light reflected by the scene is transmitted to the CCD through the lens of the camera. When the CCD is exposed, the photodiode is excited by the light to release the charge, and the current generated by the photodiode is controlled by the control signal circuit in the photosensitive element. The output of the transmission circuit, the CCD will collect the electrical signals generated by one imaging, and output them to the amplifier in a unified manner. The amplified and filtered electrical signals are sent to the A/D, and the A/D converts the analog electrical signals into digital signals. The size of the signal is directly proportional to the strength of the electrical signal, that is, the level of the voltage. These values ??are actually the data of the image. By processing the returned data, it can be used for smart car path recognition, tracking, and obstacle avoidance

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1. Working voltage: DC 3.3V-5V2. Output signal: 128x1 pixels3. Response time: 100ms (test routine)4. Equipped with lens: 56-degree distortion-free lens5. Detection distance: within 5-40cm (because of the lens, it is not suitable for long-distance forward-looking tests)6. Application occasions: STM32 single-chip CCD camera black line tracking, obstacle avoidance, multi-channel line inspection and other image processing electronic design7. The linear CCD module can collect the image information of the ground line, and extract the characteristic information of the line through the image processing algorithm, so as to achieve higher precision line inspection8. Stronger adaptability: linear CCD module line inspection is not limited by lighting conditions, and can be used under various lighting conditions9. Stronger scalability: Linear CCD module line inspection can adapt to different line inspection scenarios by changing image processing algorithms and parameters to achieve wider applications10. The linear CCD module contains 128 linearly arranged photodiodes. When a frame of image is taken, the image is a long strip with only one pixel width, and is divided into 128 AD data from left to right, and each AD data represents a pixel. Gray value, the collected gray value will be output in the form of analog signal (voltage) on the AO line11. Using 128-pixel linear array CCD, working voltage 3.3-5V, detection distance 5-40 cm12. Onboard 5PIn-XH2.54 anti-reverse connection interface, the pin distribution is GND, VCC, AO, CLK, SI13. Smart car tracking for higher speeds14. Dimensions: 28x26x40 mm15. Weight: 7.2 grams (module)Working principle:When shooting a scene, the light reflected by the scene is transmitted to the CCD through the lens of the camera. When the CCD is exposed, the photodiode is excited by the light to release the charge, and the current generated by the photodiode is controlled by the control signal circuit in the photosensitive element. The output of the transmission circuit, the CCD will collect the electrical signals generated by one imaging, and output them to the amplifier in a unified manner. The amplified and filtered electrical signals are sent to the A/D, and the A/D converts the analog electrical signals into digital signals. The size of the signal is directly proportional to the strength of the electrical signal, that is, the level of the voltage. These values ??are actually the data of the image. By processing the returned data, it can be used for smart car path recognition, tracking, and obstacle avoidance

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1. Ranging principle: TOF2. Measuring distance: 0.05m-15m3. Sampling frequency: 1800Hz4. Baud rate: 460800bps~1500000bps5. Installation method: flat screw standard fixed6. Windows support: provide Windows host computer7. ROS support: ROS1&ROS28. High-precision single-point laser ranging module, small error, strong stability9. Based on the principle of TOF ranging, the sampling frequency is as high as 1.8kHz, the detection distance is as long as 15 meters, and it can resist 60KLux strong light environment10. Small in size and light in weight, it can be used in indoor and outdoor UAV fixed height obstacle avoidance, robot obstacle avoidance, home service robot/sweeping robot navigation obstacle avoidance and other usage scenarios11. Provide driver tutorials based on Linux, ROS, and STM32 for user reference12. The Type-C interface of the USB to TTL serial communication module supports positive and negative plugging, and has a long service life. connected to a computer or a master control device)13. The infrared linear array pulsed laser used by SDM15 can ensure the safety of humans and pets14. Dimensions: 17.2x45x22.3mm15. Weight: 12 gramsPacking list:- SDM15 laser ranging module- Serial communication module- Connect the cable

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1. Input: Infrared obstacle avoidance & light-seeking sensor, four-way line inspection module, ultrasonic module, button, grayscale sensor 2. Output: deceleration motor, buzzer, steering gear pan/tilt, colorful searchlights, motor small fan 3. Power supply: 3 3.7V lithium batteries 4. Battery life: more than 180 minutes 5. Gimbal rotation: SG90 servo 6. Remote control mode: Bluetooth remote control (IOS/Android), infrared remote control, 7. WeChat applet remote control, PC host computer remote control, WIFI Internet of Things remote control (optional module), PS2 handle remote control (optional module), somatosensory gesture remote control (optional module) 8. Product size: 256mmx183mmx130mm 9. Product weight: 850g 10. Support multiple functions: intelligent light tracking, line inspection, color recognition, car light display, line inspection color block recognition, ultrasonic obstacle avoidance, fan fire extinguishing, etc. 11. The 4WD smart car is equipped with a Bluetooth 4.0 module, use the mobile phone to approach the Bluetooth module, and the Bluetooth will automatically identify and connect, avoiding the tedious setting process of each pairing of the traditional Bluetooth module 12. Note: This product is shipped without a battery, if you need to use it, please prepare three 3.7V 18650 lithium batteries

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Notes1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. 2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. 3. Tiny:bit is a robotic car for the micro:bit education market. It is compact, easy to assemble, and easy to move in tight spaces. The Tiny:bit smart car is based on the micro:bit development board design and uses the online code programming of MakeCode and Python. Rich sensor applications allow Tiny:bit for easy interaction. The Tiny:bit smart car has a set of alligator clips on the rear that can be creative and expand.Features1. Simple design with small size. 2. Support Makecode graphical programming and Python programming. 3. "Interactive" Robotic car. 4. Alligator clip at the end. 5. Intelligent obstacle avoidance, following, playing music, tracking,Interesting lighting and APP supporting. 6. Compatible with building block.Package List1. Car chassis x 1 2. Remote control x 1 3. Motor x 2 4. Universal wheel x 1 5. Motor mounting x 2 6. Tire x 2 7. Micro USB cable x 1 8. Plastic rivet bag x 1 9. Line tracking map x 1 10. Manual x 1 11. Packing box x 1

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1. Chip model: VL8172. Transmission speed: 5Gbps (theoretical)3. Input interface: USB-A4. Data cable length: 30cm5. Output interface: 4xUSB3.06. Interface compatibility: USB3.0 and backward compatible with USB2.0 and USB1.17. Supporting equipment: ROS robot/car, Raspberry Pi/Rising Sun RDK/Jetson series motherboards, PC computer, industrial computer8. Compatible systems: Win7/8/10, Linux, MacOS, Ubuntu9. Working voltage: 5V10. Working current: 90mA11. Output current: When the external power supply conditions are met, the total output current of four USB channels can reach 5A, and the output current of single USB channel can reach 1.5A12. External power supply voltage and current: 12V input 2.5A, 24V input 1.35A in the case of output 5V5A (laboratory data)13. External power supply interface: microUSB (5V), DC5.5x2.5 (9V-24V), XH2.54 interface (9V-24V)14. Protection circuit: overcurrent protection, short circuit protection, power reverse connection protection15. Dimensions: 68x60x18.5mm16. Weight: 36.5 grams17. The USB HUB board is specially designed for robot developers, compatible with Raspberry Pi, Jetson NANO series development boards18. Onboard VL817 HUB chip, 4 output USB3.0 ports, three power supply interfaces of micro USB, DC5.5x2.5 and XH2.5419. Support external wide voltage power supply, the total current can support 5A (MAX)20. It can provide more stable data transmission and avoid transmission failure due to insufficient current21. 1 input USB interface, 4 USB3.0 output interfaces, the transmission speed can reach 500MB/S22. Three power supply modes, support 9-24V external voltage input23. Wide range of applications, supporting robots, smart cars, Raspberry Pi, Jetson series boards, computers, etc.24. The USB3.0 HUB expansion board is designed to solve the problems of insufficient USB interface on the motherboard and insufficient power supply caused by the increase of USB peripherals.25. In addition to the USB-A standard data interface power supply, it also supports 5V (micro-USB), 9-24V (DC interface/XH2.54 socket) wide-voltage external power supply to ensure the normal power supply of USB peripherals26. Compatible with Win7/8/10, Linux, Ubuntu, MacOS systems, no driver required, plug and play27. If the USB device needs to be restarted, the device can be restarted by switching the power supply, without plugging and unplugging the damaged interface28. Equipped with VL817 main control chip solution, the main control performance is stable, and the transmission is stable and safe29. Efficient and safe power cooling management chip, using large-size heat sink to ensure stable temperature and safe transmission during high-power use30. 4-way USB device status indicators, the device connection status is clear at a glance

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1. Power: 2.9KW2. Thermal efficiency: about 65 percent3. Application: single-use model is suitable for alkane gas tank, dual-use model can be connected to alkane gas tank/gas bottle4. Air consumption: about 150g5. Weight: about 1580 grams6. Size: about 34x26x8 cm7. Packing: color boxFeatures:1. Energy saving and consumption reduction, green and environmental protection2. Thickened anti-vortex pot support, stable rotation, sturdy and durable3. Adjustable damper, the flame is not burning properly, it can be adjusted by damper4. Efficient heat dissipation holes, air intake grille design, efficient heat dissipation5. Three-layered fire design, aluminum alloy fire-gathering cover, stronger fire-gathering, stronger fire, and more beneficial for stir-frying6. Electronic ignition system, durable7. Multi-protection, overpressure protection device instantly cuts off the gas and flame retardant, sealing system, convection system to prevent backfire, explosion-proof body

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1. Power: 2.9KW2. Thermal efficiency: about 65 percent3. Application: single-use model is suitable for alkane gas tank, dual-use model can be connected to alkane gas tank/gas bottle4. Air consumption: about 150g5. Weight: about 1580 grams6. Size: about 34x26x8 cm7. Packing: color boxFeatures:1. Energy saving and consumption reduction, green and environmental protection2. Thickened anti-vortex pot support, stable rotation, sturdy and durable3. Adjustable damper, the flame is not burning properly, it can be adjusted by damper4. Efficient heat dissipation holes, air intake grille design, efficient heat dissipation5. Three-layered fire design, aluminum alloy fire-gathering cover, stronger fire-gathering, stronger fire, and more beneficial for stir-frying6. Electronic ignition system, durable7. Multi-protection, overpressure protection device instantly cuts off the gas and flame retardant, sealing system, convection system to prevent backfire, explosion-proof body

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1. It can be used for video recording, live broadcast and other scenarios. 2. Anti-interference condenser microphone core, 360-degree omnidirectional pickup, real recording. 3. Equipped with a mini, more luxurious microphone and earphone, it must be plugged directly into the device to use. 4. Built-in noise reduction chip, which can effectively filter noise. 5. BT wireless devices can be connected to mobile phones, tablets, laptops and other devices. BT wireless 10 meters remote recording. 6. BT wireless version: V5.0 7. Sensitivity: -30+/-3db 8. Signal-to-noise ratio: greater than 58dB 9. Battery specification: 2xAAA batteries (not included) 10. Working hours: 60 hours 11. Dimensions: 44x68x19mm 12. Weight: 50g

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1. Unique fashion head-mounted light design. Sturdy and durable. Soft ear cups and self-adjusting leather-padded headband, the over-ear design is comfortable to wear for long periods of time. 2. The closed cavity design reduces background noise, the high, middle and low frequency three-band balance, the sound is clear and the resolution is strong, and you can listen to more sound details. 3. 50mm high-fidelity drive unit, HIFI lossless sound quality, restore pure sound. 4. The use of low impedance coils is compatible with different devices, and the single-ear outlet design is simple and convenient to operate. 5. Threaded plug connection design, rotary 3.5/6.35 conversion plug, sturdy and durable. 6. It is suitable for listening to music, watching movies, DJ playing, electronic piano guitar, recording studio monitoring and other places. 7. Impedance: 32 ohms 8. Sensitivity: 95 dBmW 9. Frequency response: 15Hz-25kHz 10. Power: 1200 mW 11. Dimensions: 210x245x110mm 12. Weight: 0.31kg

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1. Unique fashion head-mounted light design. Sturdy and durable. Soft ear cups and self-adjusting leather-padded headband, the over-ear design is comfortable to wear for long periods of time. 2. The closed cavity design reduces background noise, the high, middle and low frequency three-band balance, the sound is clear and the resolution is strong, and you can listen to more sound details. 3. 50mm high-fidelity drive unit, HIFI lossless sound quality, restore pure sound. 4. The use of low impedance coils is compatible with different devices, and the single-ear outlet design is simple and convenient to operate. 5. Threaded plug connection design, rotary 3.5/6.35 conversion plug, sturdy and durable. 6. It is suitable for listening to music, watching movies, DJ playing, electronic piano guitar, recording studio monitoring and other places. 7. Impedance: 32 ohms 8. Sensitivity: 95 dBmW 9. Frequency response: 15Hz-25kHz 10. Power: 1200 mW 11. Dimensions: 210x245x110mm 12. Weight: 0.31kg

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1. Unique fashion head-mounted lightweight design. sturdy and durable. soft earmuffs and self-adjusting leather padded headband. the over-ear design is comfortable to wear and not tired for a long time.2. The closed cavity design reduces background noise. the three-band balance of high, middle and bass makes the sound clear and analytical, so you can listen to more sound details.3. 50mm high-fidelity drive unit, HIFI lossless sound quality restores pure sound.4. Adopting low-impedance coil, it is compatible with different devices. single-ear outlet design, easy and convenient to operate.5. Threaded plug connection design, rotary 3.5/6.35 conversion plug is durable.6. It is suitable for listening to music, watching movies, DJ playing discs, electronic organ guitar, recording studio monitoring and other places.

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1. It has been well received by sound engineers and professional audio users in the sound presentation. 2. Dedicated 50mm large-diameter drive unit with rare earth magnet and copper-clad aluminum wire voice coil structure. 3. The 90-degree rotating earmuff design is convenient for single-ear monitoring. 4. Professional grade ear pads and headband material for better durability and wearing comfort. 5. Detachable cable design (with 2 different cables) 6. Foldable design, more space saving. The earphone housing can also be rotated 180 degrees. 7. Greater clarity throughout the extended frequency range with deep and accurate bass response. 8. The earmuffs that surround the contour of the ears have excellent sound insulation in noisy environments. 9. Impedance: 32 ohms 10. Sensitivity: 99 dB/mW 11. Frequency response: 15Hz-28kHz 12. Power: 1600 mW 13. Connection plug: stereo 3.5mm + 6.3mm 14. Dimensions: 210x190x90mm 15. Weight: 0.35kg

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Features:1. Self-connection after power-on, stable frequency2. 30 meters barrier-free and stable transmission3. Support volume and volume adjustment, support one-key noise reduction function4. The sound is clear, not stuck, and constantly frequency5. Applicable scenarios: video, on-site teaching6. No serial frequency, flexible collocation, easy to deal with various scenes, the same scene can use 6 groups at the same timeparameter:1. Pointing range: omnidirectional2. Frequency: 2.4G3. Frequency response range: 20Hz-20kHz4. Transmission distance: 50 meters5. Signal-to-noise ratio: greater than or equal to 58db6. Battery capacity: 350mAh/3.7v7. Charging interface: Type-c interface8. Rated input: DC5V/1000mAh9. Charging time: 30 minutes10. Working hours: 6-8 hours11. Working temperature: -10-45 degrees Celsius12. Storage temperature: -20-60 degrees Celsius

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1. 360 degree omnidirectional pick up sound and provide clear voice.High sensitivity pickup.You can move freely without having to approach or move the microphone. 2. The microphone provides high-quality recordings and can pick up sound clearly at 13 feet.At an effective distance, the microphone can pick up the sound clearly without moving the microphone. 3. USB interface, plug and play, simple connection.No driver or extra power is required, just connect the USB cable to the device to get started.Meet the simple and convenient recording requirements. 4. The microphone button is a touch design, and silence mutes without noise.After the button is turned on, the button will have LED lights.It looks more stylish.There is a pad on the back of the microphone to help place it on the table and prevent scratches. 5. The microphone can be used for various occasions, such as: online meetings, business meetings and negotiations, video/audio chat, Skype, games,classroom, lecture, church etc. 6. Cable length: 1.35m.

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1. Material: aluminum alloy base + steel mesh2. Built-in touch-sensitive mute switch3. USB gold-plated head, good conductivity4. Built-in noise filter sponge, greatly reducing the interference of external factors5. The bottom is equipped with anti-skid and shock-proof EVA, which is not easy to slide6. Suitable for meetings with 4-6 people7. Power supply voltage: USB 4.5-5V DC8. Cable length: 2 meters9. Size: 142x26mm

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1. 360-degree omnidirectional high-sensitivity microphone 2. Gooseneck simple design, multi-angle adjustment at will 3. Humanized touch switch, easy to operate 4. Plug and play, compatible with Windows XP/7/8/10 and Mac OS systems 5. Widely compatible with sound source equipment, desktop computers, laptops 6. Directivity: Omnidirectional 7. Frequency response: 50Hz-16KHz 8. Sensitivity: -42+-3dB 9. Impedance: about 2.2KOhm 10. Working voltage: DC 5V 11. Cable length: 1.35m

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1. 360-degree omnidirectional high-sensitivity microphone 2. Gooseneck simple design, multi-angle adjustment at will 3. Humanized touch switch, easy to operate 4. Plug and play, compatible with Windows XP/7/8/10 and Mac OS systems 5. Widely compatible with sound source equipment, desktop computers, laptops 6. Directivity: Omnidirectional 7. Frequency response: 50Hz-16KHz 8. Sensitivity: -42+-3dB 9. Impedance: about 2.2KOhm 10. Working voltage: DC 5V 11. Cable length: 1.35m

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1.Item type: computer microphone2.Material: ABS3.Pointing: omni directional4.Sensitivity: -30dB±3dB5.Frequency response: 100Hz to 16kHz6.Sampling rate: 48kHz7.Bit rate: 16bit8.Power supply voltage: USB 5V

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Features: 1. Gooseneck hose design, the angle can be adjusted at will 2. High-sensitivity condenser microphone core, 360-degree sound pickup in all directions, long-distance sound pickup 3. Built-in USB audio digital processing chip, make the recording full, without distortion, plug and play, no need to install sound card driver, compatible with various computer systems 4. RGB colorful lights, short press the light to be on for working status, short press for the light to be off for mute state; rotate the button to adjust the loudness and sound 5. USB shielded cable, pluggable, good conductivity, make the sound clearer Product specifications: 1. Pointing: omnidirectional 2. Frequency response: 50Hz-16kHz 3. Sensitivity: -30dB+/-3dB 4. Impedance: less than or equal to 2.2 kiloohms 5. USB power supply voltage: DC 4.5-5V 6. Cable length: 1.35m

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