micro:Driver Expansion Board for micro:bit / UNIHIKER (DFR0548)
Expansion board (63×58 mm) for micro:bit, UNIHIKER M10, and K10 adding 4 DC motor channels (HR8833, 1.5 A continuous each, also usable as 2 stepper channels), 8 servo interfaces, and 9 GPIO pins via dual I2C control. Powered from 3.5–5.5 V via DC 2.1 connector.
Start wiring
USB · 3.3 V
Confirm the data interface matches your host board.
Other MCUs
225 other optionsSpecialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
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