micro:bit expansion board for environmental STEAM experiments; integrates sensors for temperature, sound, light, UV, water temperature, TDS (total dissolved solids), and soil moisture. Connects directly to micro:bit edge connector; battery-powered via AAA cells (not included).
| Pin | Type |
|---|---|
| P0 (buzzer) | Signal |
| P1 | GPIO |
| P2 | GPIO |
| P8 | GPIO |
| P12 | GPIO |
| P13 | GPIO |
| P14 | GPIO |
| P15 (RGB) | Signal |
| P16 | GPIO |
| I2C x2 (SDASCL) | Signal |
| Motor driver | Signal |
| Gravityexternal sensor connectors | Signal |
USB · 3.3 V
Confirm the data interface matches your host board.
Module pins: P0 (buzzer), P1, P2, P8, P12, P13, P14, P15 (RGB). 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.
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