User Manuals, Instructions and Guides for Devantech products.
Devantech ESP32LR42 WiFI 4 x 16A Relays Module User Manual
Learn how to configure and control the Devantech ESP32LR42 WiFI 4 x 16A Relays Module with these user manual instructions. With 4 relays and 2 digital inputs, this popular ESP32 module can switch up to 16Amps and interface directly with volt free contacts. Discover the various control protocols available, including simple plain text commands, HTML commands, MQTT, and a built-in webpage. This guide also covers USB configuration and system status reporting. Upgrade your home automation game with the versatile and reliable ESP32LR42.