Same as my other project: esp32-ble-guitar, but for Raspberry Pi Pico W platform. Reuse old Guitar Hero controllers to work with PC through Bluetooth.
Took inspiration from this repo: PicoGamepadConverter, to figure out how to emulate HID gamepad through bluetooth properly.
| Pico GPIO | Button |
|---|---|
| GP0 - GP4 | Frets |
| GP6 - GP9 | DPAD |
| GP18 | LED on DPAD |
| GP19, GP20 | Start, select |
| GP21, GP22 | Strums |
| GP27_A1 | Whammy potentiometer |