RobotBit - Robot Expansion Board for Micro:bit

Robotbit is an excellent robotic expansion board specially designed (for Microbit, by KittenBot team) for primary school students/training institutions/parents/ enthusiasts as a robotic accessory. Product Feature 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! Hardware interface 1. 5V external power input（with anti-reverse protection）2. Power switch3. Power Indicator4. Battery Indicator5. Micro USB charing port6. 4-channel DC motor / 2-channel stepper motor7. Jumper for buzzer selection8. 8 channel IO（corresponding to Micro:bit P0-P2、P8、P12-P15）9. 5V and GND port10. Buzzer11. 8 channel servo port12. I2C interface (expandable I2C module)13. 18650 battery case14. Bettery protection recovery push button15. Micro:bit edge connector16. 4x RGB pixel 17. Servo driver (PCA9685)18. 2xDc/Stepper driver (DRV8833)19. KittenBot robot chassis mounting hole20. Standard LEGO hole Supported software Available Coding platform: Kittenblock(based on Scratch3.0) or Makecode and python(Mu editor in microbit mode) MakeCode from Microsoft KittenBlock（Developed by Kittenbot Team based on Scratch 3.0） Python If you’re used to code programming and want to get started by microbit python you have two options, directly Mu Editoror kittenblock in micropython editor mode. The above detailed tutorial can be found from our learn website for self-learning. If you encounter problems during the learning process, you are welcome to get us at our bbs or slack channel. Makecode Extension In makecode add extension panel directly search Robotbit. In our offline version of makecode, you may find Robotbit in the default list and other useful extensions.