micro:bit
The micro:bit is an open-source microcontroller developed by the BBC.
| display | 5×5 LED matrix (red) |
|---|---|
| processor | Nordic nRF52833, 64 MHz ARM Cortex-M4 |
| flash | 512 kB |
| RAM | 128 kB |
| accelerometer | LSM303AGR |
| magnetometer |
bluetooth services
Reference for various service and characteristic UUIDs
| service | item | UUID |
|---|---|---|
| UART | service | 6E400001-B5A3-F393-E0A9-E50E24DCCA9E |
| UART RX | 6E400002-B5A3-F393-E0A9-E50E24DCCA9E | |
| UART TX | 6E400003-B5A3-F393-E0A9-E50E24DCCA9E | |
| accelerometer | service | E95D0753-251D-470A-A062-FA1922DFA9A8 |
| data | E95DCA4B-251D-470A-A062-FA1922DFA9A8 | |
| period | E95DFB24-251D-470A-A062-FA1922DFA9A8 | |
| button | service | E95D9882-251D-470A-A062-FA1922DFA9A8 |
| button 1 | E95DDA90-251D-470A-A062-FA1922DFA9A8 | |
| button 2 | E95DDA91-251D-470A-A062-FA1922DFA9A8 | |
| IO pin | service | E95D127B-251D-470A-A062-FA1922DFA9A8 |
| pin data | E95D8D00-251D-470A-A062-FA1922DFA9A8 | |
| pin AD config | E95D5899-251D-470A-A062-FA1922DFA9A8 | |
| pin IO config | E95DB9FE-251D-470A-A062-FA1922DFA9A8 | |
| LED | service | E95DD91D-251D-470A-A062-FA1922DFA9A8 |
| LED matrix state | E95D7B77-251D-470A-A062-FA1922DFA9A8 | |
| LED text | E95D93EE-251D-470A-A062-FA1922DFA9A8 | |
| scrolling delay | E95D0D2D-251D-470A-A062-FA1922DFA9A8 | |
| magnetometer | service | E95DF2D8-251D-470A-A062-FA1922DFA9A8 |
| data | E95DFB11-251D-470A-A062-FA1922DFA9A8 | |
| period | E95D386C-251D-470A-A062-FA1922DFA9A8 | |
| bearing | E95D9715-251D-470A-A062-FA1922DFA9A8 | |
| temperature | service | E95D6100-251D-470A-A062-FA1922DFA9A8 |
| temperature | E95D9250-251D-470A-A062-FA1922DFA9A8 |