Device
Enter the house password to control your switches.
No switches yet — add a device from Settings.
Adding a device here only registers it in the UI — create its MQTT username/password in the EMQX dashboard first.
GPIO Pinout & Wiring Guide
| Channel | Relay Output | Switch Input | Pin Label |
|---|---|---|---|
| Channel 1 | GPIO 13 | GPIO 23 | D13 / D23 |
| Channel 2 | GPIO 14 | GPIO 27 | D14 / D27 |
| Channel 3 | GPIO 26 | GPIO 25 | D26 / D25 |
| Channel 4 | GPIO 33 | GPIO 32 | D33 / D32 |
| Status LED | Onboard Blue: GPIO 2 · RGB: GPIO 18, 19, 21 | D2 / D18,19,21 | |
| Reset Button | GPIO 0 (BOOT Button — Hold 3s to wipe) | BOOT | |
| Channel | Relay Output | Switch Input | Pin Label |
|---|---|---|---|
| Channel 1 | GPIO 5 | GPIO 13 | D1 / D7 |
| Channel 2 | GPIO 4 | GPIO 14 | D2 / D5 |
| Status LED | Onboard Blue: GPIO 2 (Active LOW) | D4 / LED | |
| Reset Button | GPIO 0 (Flash Button — Hold 3s to wipe) | FLASH | |