I will collect here various informations gathered during my research regarding the pin connected of various devices
WXKG03LM (1 button) WXKG02LM (2button)
| Function | MCU Pin | Function | Remark |
|---|---|---|---|
| Switch S3 | 40 | DIO15 | Middle |
| Switch S2 | 37 | DIO13 | Left |
| Switch S4 | 2 | DIO17 | Right |
| LED D1 | 33 | DIO10 | |
| LED D2 | 34 | DIO11 |
WXKG01LM (Xiaomi round button)
| Function | MCU Pin | Function | Remark |
|---|---|---|---|
| Switch S1 | DIO0 | Pairing button | |
| Switch S2 | DIO16 | Main button | |
| LED | 34 | DIO11 |