Signal Input/Output
A easy to use Arduino Library for Four Relays four Inputs HAT
This library provide the software tools for use the Four Relays four HV Inputs 8-Layer Stackable HAT for Raspberry Pi with any Arduino card that have a I2C port
Maintainer: Sequent Microsystems
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.