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.
| Pin | Type |
|---|---|
| Servo interfaces (8) | Control |
| GPIO (9) | Signal |
| I2C | Signal |
| DC 2.1 power | Power |
| GND | Ground |
| micro:bitUNIHIKER edge | Signal |
USB · 3.3 V
Confirm the data interface matches your host board.
Module pins: DC 2.1 power, GND, GPIO (9), I2C, micro:bit / UNIHIKER edge. Schematik maps them to your board in the app.
Specialists: 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.
:MOVE mini MK2 buggy kit visual preview:MOVE mini MK2 buggy kit
16-Ch Servo Driver Breakout for micro:bit, I2C visual preview16-Ch Servo Driver Breakout for micro:bit, I2C
2x40 Right Angle Edge Connector for micro:bit visual preview2x40 Right Angle Edge Connector for micro:bit
32F429IDISCOVERY / STM32F429I-DISC1 Discovery Kit visual preview32F429IDISCOVERY / STM32F429I-DISC1 Discovery Kit
7-segment for micro:bit visual preview7-segment for micro:bit
Adafruit CAN Bus BFF Add-On for QT Py visual previewAdafruit CAN Bus BFF Add-On for QT Py
Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT visual previewAdafruit CH552 QT Py - 8051 Dev Board with STEMMA QT
Adafruit CRICKIT for Circuit Playground Express visual previewAdafruit CRICKIT for Circuit Playground Express
Adafruit CRICKIT for micro:bit visual previewAdafruit CRICKIT for micro:bit
Adafruit DC Power BFF Add-On for QT Py visual previewAdafruit DC Power BFF Add-On for QT Py
Adafruit Feather 328P - Atmega328P 3.3V @ 8 MHz visual previewAdafruit Feather 328P - Atmega328P 3.3V @ 8 MHz
Adafruit Feather 32u4 Adalogger visual previewAdafruit Feather 32u4 Adalogger
10 I/Os PLC Module - CPU Arduino Nano (Optoisolated Output) visual previewAbout 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.
Boards · Arduino boards · 77 parts
10 I/Os Relay Module - CPU ESP32 (Relay Output) visual previewWi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.
Boards · ESP32 boards · 156 parts
15x7 CharliePlex LED Matrix FeatherWing - Cool White visual previewAbout 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.
Boards · HATs, Shields & add-ons · 270 parts
Adafruit DVI Breakout Board for HDMI Source Devices visual previewThe Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.
Boards · Pico & RP2040 boards · 43 parts