GPIO

Information

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

Inverse mode

When the relay is working in reverse order, you can change this by toggling the inverse toggle in the calibration tab.

GPIO Relay calibration inverse mode

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:pcf8574-9,0x4c,3

Other settings can be found at the relay setup information