ESP32-S3 Stamp is an ultra-compact module from M5Stack with castellated edges providing Wi-Fi 802.11 b/g/n, Bluetooth 5.0 LE, and 45 GPIO on a 25.4×25.4mm board for embedded product development.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | 3V3 | 3.3V supply | PWR |
| 2 | GND | Ground | GND |
| 3 | IO1 | GPIO 1 | I/O |
| 4 | IO2 | GPIO 2 | I/O |
| 5 | IO3 | GPIO 3 | I/O |
| 6 | IO4 | GPIO 4 | I/O |
| 7 | IO5 | GPIO 5 | I/O |
| 8 | IO6 | GPIO 6 | I/O |
| 9 | IO7 | GPIO 7 | I/O |
| 10 | IO8 | GPIO 8 | I/O |
| 11 | USB_D+ | USB D+ | BUS |
| 12 | USB_D- | USB D- | BUS |