Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case | ESP32-S3-Relay-1CH
Supply voltage
Indicator; Red power indicator, lights up when connected to USB and voltage is detected
SH1.0; Ground (GND); CAN terminal; H signal pin
3.3V power output
ESP32-S3 IO pin; L signal pin
ESP32-S3 IO pin
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 5V | official Waveshare interface table | power | Supply voltage | |
| PWR | official Waveshare interface table | digital io | Indicator; Red power indicator, lights up when connected to USB and voltage is detected | |
| GND | official Waveshare interface table | ground | SH1.0; Ground (GND); CAN terminal; H signal pin | |
| 3V3 | official Waveshare interface table | power | 3.3V power output | |
| GPIO2 | official Waveshare interface table | digital io | ESP32-S3 IO pin; L signal pin | |
| GPIO1 | official Waveshare interface table | digital io | ESP32-S3 IO pin |
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