| Pin | Factory | Use | Note | ADC Channel |
|---|---|---|---|---|
| A0/26 | 2 | |||
| A1/25 | Front PCB - NeoPixels | 2 | ||
| A2/34 | Input Only | 1 | ||
| A3/39 | Input Only | 1 | ||
| A4/36 | Input Only | 1 | ||
| A5/4 | Front PCB - Button | 2 | ||
| A13/35 | Feather Battery Voltage | Feather Battery Voltage | Input Only. Not exposed. Voltage divided by 2. | |
| 5 | SCK | Front PCB - Speaker | ||
| 12 | Bin Sensor | Internal pulldown used for booting. Use as output only. | 2 | |
| 13 | Bump Sensor | 2 | ||
| 14 | Speed Sensor - Left | 2 | ||
| 15 | 2 | |||
| 16 | RX | RX | ||
| 17 | TX | TX | ||
| 18 | MOSI | |||
| 19 | MISO | |||
| 21 | Wheel Lift Sensor - Left | |||
| 22 | SCL | SCL | ||
| 23 | SDA | SDA | ||
| 27 | Wheel Lift Sensor - Right | |||
| 32 | Speed Sensor - Right | 1 | ||
| 33 | 1 |
ADC Channel 2: Can't take analog readings while Wi-Fi is on.
- R1 = 100kΩ
- R2 = 10kΩ
vref = 1128ma measured 1135ma burned battery dead at ~9V TODO: Kill bluetooth controller code in loop when OTA.