PROGRAMS BY Jan Erik Andresen / Andronesen-flyfoto.com

CODE:/*Relay IN1 connected to PinOut 2 ArduinoRelay IN2 connected to PinOut 3 ArduinoRelay IN3 connected to PinOut 4 ArduinoRelay IN4 connected to PinOut 5 Arduino--->you can connected to relay modul 4 channelSerial data