Products

1. Weight: about 322 grams2. Size: about 28x14.5 cm3. Material: artificial leather, plastic bottom shell, polyurethane foam pad4. Applicable models: bicycles, folding bikes, mountain bikes, road bikes, etc.5. Features: hollow design of the middle groove, comfortable and breathable, reducing pressure, steel iron bow at the bottom, high hardness, strong endurance, narrow front end, rounded transition design on both sides, no friction on the thighs, suitable for long-distance riding

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1. Weight: about 322 grams2. Size: about 28x14.5 cm3. Material: artificial leather, plastic bottom shell, polyurethane foam pad4. Applicable models: bicycles, folding bikes, mountain bikes, road bikes, etc.5. Features: hollow design of the middle groove, comfortable and breathable, reducing pressure, steel iron bow at the bottom, high hardness, strong endurance, narrow front end, rounded transition design on both sides, no friction on the thighs, suitable for long-distance riding

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Details:1. Weight: about 705 grams2. Size: about 26x19 cm3. Material: PU leather, polyurethane foam pad, PP plastic bottom shell4. Application: mountain bike, road bike, etc.5. Power supply: 2 button batteries includedFeatures:1. Hollow and comfortable, circulatory and ventilated design, reduce the pressure on the body, ensure ventilation during riding, and not tired after sitting for a long time2. The surface is made of wear-resistant and durable PU material, multi-layer protection, effectively reducing vibration3. Filled with high-elastic memory foam inside, comfortable and soft sitting, reducing stress4. The rear seat is equipped with warning reflectors, making it safer to ride at night5. Arc technology, suspension damping bow, shock absorption buffer6. The front slender design, sleek and streamlined, the rear end is widened, the force area is enlarged, and it is stable and comfortable

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1. Weight: about 560 grams2. Size: about 27x14 cm3. Material: polyurethane, seat skin, steel bow4. Application: mountain bike5. Features: the front narrow side is round, the sides are widened, do not hinder the thigh pedaling, hollow air guide, comfortable and breathable, long-term sitting without sultry heat, the base adopts an arc design, shock absorption increases the cushioning force, comfortable sitting feeling, and flexibility it is good

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1. Weight: about 560 grams2. Size: about 27x14 cm3. Material: polyurethane, seat skin, steel bow4. Application: mountain bike5. Features: the front narrow side is round, the sides are widened, do not hinder the thigh pedaling, hollow air guide, comfortable and breathable, long-term sitting without sultry heat, the base adopts an arc design, shock absorption increases the cushioning force, comfortable sitting feeling, and flexibility it is good

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1. Weight: about 560 grams2. Size: about 27x14 cm3. Material: polyurethane, seat skin, steel bow4. Application: mountain bike5. Features: the front narrow side is round, the sides are widened, do not hinder the thigh pedaling, hollow air guide, comfortable and breathable, long-term sitting without sultry heat, the base adopts an arc design, shock absorption increases the cushioning force, comfortable sitting feeling, and flexibility it is good

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1. Weight: about 560 grams2. Size: about 27x14 cm3. Material: polyurethane, seat skin, steel bow4. Application: mountain bike5. Features: the front narrow side is round, the sides are widened, do not hinder the thigh pedaling, hollow air guide, comfortable and breathable, long-term sitting without sultry heat, the base adopts an arc design, shock absorption increases the cushioning force, comfortable sitting feeling, and flexibility it is good

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1. Weight: about 560 grams2. Size: about 27x14 cm3. Material: polyurethane, seat skin, steel bow4. Application: mountain bike5. Features: the front narrow side is round, the sides are widened, do not hinder the thigh pedaling, hollow air guide, comfortable and breathable, long-term sitting without sultry heat, the base adopts an arc design, shock absorption increases the cushioning force, comfortable sitting feeling, and flexibility it is good

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1. Weight: about 560 grams2. Size: about 27x14 cm3. Material: polyurethane, seat skin, steel bow4. Application: mountain bike5. Features: the front narrow side is round, the sides are widened, do not hinder the thigh pedaling, hollow air guide, comfortable and breathable, long-term sitting without sultry heat, the base adopts an arc design, shock absorption increases the cushioning force, comfortable sitting feeling, and flexibility it is good

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1. Weight: about 560 grams2. Size: about 27x14 cm3. Material: polyurethane, seat skin, steel bow4. Application: mountain bike5. Features: the front narrow side is round, the sides are widened, do not hinder the thigh pedaling, hollow air guide, comfortable and breathable, long-term sitting without sultry heat, the base adopts an arc design, shock absorption increases the cushioning force, comfortable sitting feeling, and flexibility it is good

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1. Weight: about 560 grams2. Size: about 27x14 cm3. Material: polyurethane, seat skin, steel bow4. Application: mountain bike5. Features: the front narrow side is round, the sides are widened, do not hinder the thigh pedaling, hollow air guide, comfortable and breathable, long-term sitting without sultry heat, the base adopts an arc design, shock absorption increases the cushioning force, comfortable sitting feeling, and flexibility it is good

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1. Weight: about 350 grams2. Size: about 28x16x9 cm3. Material: PU leather + sponge4. Application: mountain bike5. Features: leather surface, wear-resistant and tear-resistant, comfortable to touch, waterproof design, rainproof, hollow design, comfortable and breathable, healthy and safe, no deformation after sitting

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1. Weight: about 350 grams2. Size: about 28x16x9 cm3. Material: PU leather + sponge4. Application: mountain bike5. Features: leather surface, wear-resistant and tear-resistant, comfortable to touch, waterproof design, rainproof, hollow design, comfortable and breathable, healthy and safe, no deformation after sitting

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1. Weight: about 350 grams2. Size: about 28x16x9 cm3. Material: PU leather + sponge4. Application: mountain bike5. Features: leather surface, wear-resistant and tear-resistant, comfortable to touch, waterproof design, rainproof, hollow design, comfortable and breathable, healthy and safe, no deformation after sitting

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Details:1. Weight: about 550 grams2. Size: about 28x16 cm3. Material: PU leather + silicone + PP bottom shell4. Application: mountain bikeFeatures:1. PU leather surface, waterproof and rainproof, comfortable to touch, wear-resistant and durable2. Ergonomic design, sleek curve, reduce sit bone pressure, comfortable shock absorption3. Silicone foam cushion, cushioning and shock absorption, not easy to get tired after sitting4. Hollow design, circulation and ventilation, keep ventilation and comfort, not stuffy and hot5. Fine workmanship, simple installation and convenient use

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Details:1. Weight: about 550 grams2. Size: about 28x16 cm3. Material: PU leather + silicone + PP bottom shell4. Application: mountain bikeFeatures:1. PU leather surface, waterproof and rainproof, comfortable to touch, wear-resistant and durable2. Ergonomic design, sleek curve, reduce sit bone pressure, comfortable shock absorption3. Silicone foam cushion, cushioning and shock absorption, not easy to get tired after sitting4. Hollow design, circulation and ventilation, keep ventilation and comfort, not stuffy and hot5. Fine workmanship, simple installation and convenient use

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Details:1. Weight: about 550 grams2. Size: about 28x16 cm3. Material: PU leather + silicone + PP bottom shell4. Application: mountain bikeFeatures:1. PU leather surface, waterproof and rainproof, comfortable to touch, wear-resistant and durable2. Ergonomic design, sleek curve, reduce sit bone pressure, comfortable shock absorption3. Silicone foam cushion, cushioning and shock absorption, not easy to get tired after sitting4. Hollow design, circulation and ventilation, keep ventilation and comfort, not stuffy and hot5. Fine workmanship, simple installation and convenient use

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Details:1. Weight: about 550 grams2. Size: about 28x16 cm3. Material: PU leather + silicone + PP bottom shell4. Application: mountain bikeFeatures:1. PU leather surface, waterproof and rainproof, comfortable to touch, wear-resistant and durable2. Ergonomic design, sleek curve, reduce sit bone pressure, comfortable shock absorption3. Silicone foam cushion, cushioning and shock absorption, not easy to get tired after sitting4. Hollow design, circulation and ventilation, keep ventilation and comfort, not stuffy and hot5. Fine workmanship, simple installation and convenient use

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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. 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. 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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