SparkFun Qwiic Relay Arduino Library

Device Control

Library for the SparkFun Quad, Dual and Single Relay Boards
The SparkFun Qwiic Relay Arduino Library makes it very easy to use the Qwiic enabled relays from SparkFun Electronics. It gives you easy to use functions to turn on and off relays, toggle them, and check their status. Also provided is example code for each board (and the ) that gives instructions on how to use the library to its fullest.

Author: Elias Santistevan

Maintainer: SparkFun Electronics

Read the documentation


This library is compatible with all architectures so you should be able to use it on all the Arduino boards.


To use this library, open the Library Manager in the Arduino IDE and install it from there.