The ESP32SR88 is a WIFI connected I/O controller using the popular ESP32. It provides 8 relays capable switching up to 1A 30V and 8 digital inputs with optical isolation.
You can control the module remotely in one of the following ways:
- A built in webpage,
- HTML commands,
- MQTT commands or
- TCP/IP plain text commands
If you set port forwarding in your router, you will be able to control the module via the internet.
The ESP32LR88 is configured by connecting a USB cable to your PC and running a terminal program.
The relay module has an ESP-WROOM-32 which you may program with your own software.
Required power supply for the board is 12v dc, 1A.
More information is available on the website of Devantech.