GPIO

Information

This 4-channel relay interface board can control various appliances and other equipments with high current. It can be controlled directly by any micro-controller.

Setup

In order to use the GPIO use the following settings:

Mandatory

Hardware

GPIO devices

Address

Enter the physical pin number on which the device is connected
Ex: 27
Or when used with an IO expander:
Ex:pcf8575-9,0x4c,3

Other settings can be found at the relay setup information