WiFi ESP32 Module with 8 Relays & 8 Opto Inputs

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 (4,5V - 27V) 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.