Serial board
3M Baud Rate USB to UART Serial Port 1.0.0¶
Used for daily debugging, etc., the product can be connected to a computer through the serial port for product control, with baud rate downward compatibility (1.5M/2M).
Serial Port Pins¶
| Name | Function |
|---|---|
| 3.3V | Power supply for the product |
| 5V | Power supply for the product |
| GND | Ground |
| RX | UART RX (connects to the product's TX) |
| TX | UART TX (connects to the product's RX) |
| IO0 | IO port (usually not used) |
| RST | Reset (usually not used) |
| DSR | Downstream detection (usually not used) |
| CTS | Data flow control (usually not used) |