Star-shaped educational microcontroller based on Nordic nRF51822 (ARM Cortex-M0, 16 MHz) with Bluetooth 4.0 BLE, 9-axis IMU, MEMS microphone, 5×5 LED matrix, and 6 alligator-clip pads. Designed for classroom STEM use; currently out of stock.
| Pin | Type |
|---|---|
| 3V | Power |
| GND | Ground |
| P0 | GPIO |
| P1 | GPIO |
| P2 | GPIO |
| P3 | GPIO |
| C8 | Signal |
| C9 | Signal |
| C13 | Signal |
| C14 | Signal |
| C15 | Signal |
UART · SPI · 3.3 V · 5 V · Breakout
Seeed describes MDBT50Q-1M and MDBT50Q-P1M as Bluetooth 5.0 / BLE modules based on Nordic nRF52840, with GPIO, SPI, UART, I2C, I2S, PWM, …
Module pins: 3V, GND, P0, P1, P2, P3, C8, C9. Schematik maps them to your board in the app.
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