@thomas642daniel Can you provide a source for this?
The GPIO’s look more like the ones for the ESP32 (without S3) to me.
| MCU | UART | RX GPIO | TX GPIO | Note |
|---|---|---|---|---|
| ESP32 | UART0 | 3 | 1 | Serial |
| UART1 | 9 | 10 | Serial1 |
|
| UART2 | 16 | 17 | Serial2 |
|
| ESP32-S2 | UART0 | 44 | 43 | Serial or Serial0 (*) |
| UART1 | 18 | 17 | Serial1 |
|
| ESP32-S3 | UART0 | 44 | 43 | Serial or Serial0 (*) |
| UART1 | 15 | 16 | Serial1 |
|
| UART2 | 19 | 20 | Serial2 |
|
| ESP32-C3 | UART0 | 20 | 21 | Serial or Serial0 (*) |
| UART1 | 18 | 19 | Serial1 |
(*) depends on ARDUINO_USB_CDC_ON_BOOT - See ESP32-S3 native USB interface and Serial Monitor missing first messages - #10 by sivar2311