From automobiles to industrial equipment, electrical relays help control currents and enable automation. In this guide, we’ll explain what electrical relays are and what they do in electrical systems.

This Arduino sketch demonstrates how to control a relay using a soil moisture sensor and two potentiometers to set the minimum and maximum thresholds for when the relay should turn on or off. The ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.