Device Control
Library for the Serial Relay module (https://www.robocore.net/modules.php?name=GR_LojaVirtual&prod=663)
Control up to 40 relays with only two pins.
Maintainer: RoboCore Tecnologia (suporte@robocore.net)
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.