PS4-ESP32-Bluetooth#pairing-the-ps4-controller
https://github.com/xman4242/PS4-ESP32-Bluetooth#pairing-the-ps4-controller
https://github.com/G2-Games/sixaxis-pair_rs
https://www.youtube.com/watch?v=dRysvxQfVDw&t=301s
| esp32 | hoverboard | PIN |
|---|---|---|
| 3v3 | SWD | 3v3 |
| RX 16 | Left Side | PA2 TX Blue |
| TX 17 | Left Side | PA3 RX Green |
| GND | Left Side | GND Black |
https://github.com/EFeru/hoverboard-firmware-hack-FOC
https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/Variant-USART
https://github.com/Candas1/Hoverboard-Web-Serial-Control#protocol---hovercar
https://github.com/firejune/struct.js
VARIANT_USART Mode