Serial Transmiter - Receiver Arduino

 Serial_Transmiter

	String Message; void setup() {
	Serial.begin(9600);
	delay(100);
	}
	void loop() {
	Serial.print("on");
	delay(2500);
	Serial.print("off");
	delay(2500);
	if (Serial.available()) {
	Message = Serial.readString(); }
	//Serial.println(Message);
	} Serial_Receiver String Message; void setup() { Serial.begin(9600); Serial.setTimeout(50); // default is 1 second delay(100); pinMode(3, OUTPUT); } // setup void loop() { // put your main code here, to run repeatedly: if (Serial.available()) { Message = Serial.readString(); } delay(4); if (Message == "on"){ digitalWrite(3, HIGH); } if (Message == "off"){ digitalWrite(3, LOW); } //Message = "\0"; } // loop