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Micro:bit Kittenbot Robot:bit Extension Board compatible 18650 Lithium Battery Expansion Accessory for BBC Micro:bit
Introduction:
Robotbit is an excellent robotic expansion board specially designed for Microbit . It can help you DIY micro:bit robot.
Features:
It has a powerful ability to drive DC motors, stepper motors, servos, and onboard buzzer and RGB pixels and release all valid IO from microbit, with support the most common electronics module in the market. It comes with 18650 battery holder, integrated lithium battery boost, charging and protection chip. Support for external power input. Mechnically support for KittenBot robotic chassis and LEGO technical slots. The powerful drive capability and built-in battery make DIY more convenient and free. We have received unanimous praise from the school teacher training institutions and individual enthusiasts. It is an excellent choice for your robotic projects based on Micro:bit!
Specifications:
1. Dimensions: 78mm x 57mm x 23mm 2. PCB Thickness: 1.5mm 3. Small mechnical hole: 3.0mm 4. Big mechnical hole: 4.8mm 5. Net weight (without packaging): 37.5g
Functional Parameters:
1. 18650 battery voltage: 3.7V ( not inlucde in packing list) 2. USB input voltage: 5V 3. VM pin max ouput: 1A (with onboard battery) 4. External Voltage Input (the green termial): 5V (only supports 5V input, do not connect over 5V, maximum current supports 3A)
Hardware interface:
1. 5V external power input(with anti-reverse protection) 2. Power switch 3. Power Indicator 4. Battery Indicator 5. Micro USB charing port 6. 4-channel DC motor / 2-channel stepper motor 7. Jumper for buzzer selection 8. 8 channel IO(corresponding to Micro:bit P0-P2、P8、P12-P15) 9. 5V and GND port 10. Buzzer 11. 8 channel servo port 12. I2C interface (expandable I2C module) 13. 18650 battery case 14. Bettery protection recovery push button 15. Micro:bit edge connector 16. 4x RGB pixel
17. Servo driver (PCA9685) 18. 2xDc/Stepper driver (DRV8833) 19. KittenBot robot chassis mounting hole 20. Standard LEGO hole
Packing List:
1 x Robot:Bit V2.2 Extension Board (not include battery & Micro:bit)