The Arduino sketch enables you to configure an almost unlimited number of on/off times for the relay. This is controlled through the NUMSLOTS and slots options. The slots array contains one or more ...

Features: Hardware components: Arduino, relay module, jumper wires, and external power source Code: Arduino code for controlling the relay based on sensor input or a manual switch Applications: Home ...

In this video, the author is showing how he connected $10 SainSmart 8 Channel DC 5V Relay Module to an Arduino microcontroller (You can also connect Raspberry. ... Use Arduino to Switch Power On and ...