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CODE void setup() {   Serial.begin(9600);   pinMode (4,OUTPUT); } void loop() {  if (Serial.available()) { char c = Serial.read (); if (c == '1'){   digitalWrite(4,HIGH); } else if(c=='0'){   digitalWrite(4,LOW);   } if (digitalRead (4) == HIGH) {   Serial.println ("LED ON"); } else {   Serial.println ("LED OFF"); } }   } How to make Arduino smart Home automation system. In this project I will show you control your home Electrical bulb magnet door lock AC machine using serial monitor command. this Arduino code you can download my blogger web site.

CODE void setup() {   Serial.begin(9600);   pinMode (4,OUTPUT); } void loop() {  if (Serial.available()) { char c = Serial.read (); if (c == '1'){   digitalWrite(4,HIGH); } else if(c=='0'){   digitalWrite(4,LOW);   } if (digitalRead (4) == HIGH) {   Serial.println ("LED ON"); } else {   Serial.println ("LED OFF"); } }   } How to make Arduino smart Home automation system. In this project I will show you control your home Electrical bulb magnet door lock AC machine using serial monitor command. this Arduino code you can download my blogger web site.

CODE void setup() {   Serial.begin(9600);   pinMode (4,OUTPUT); } void loop() {  if (Serial.available()) { char c = Serial.read (); if (c == '1'){   digitalWrite(4,HIGH); } else if(c=='0'){   digitalWrite(4,LOW);   } if (digitalRead (4) == HIGH) {   Serial.println ("LED ON"); } else {   Serial.println ("LED OFF"); } }   } How to make Arduino smart Home automation system. In this project I will show you control your home Electrical bulb magnet door lock AC machine using serial monitor command. this Arduino code you can download my blogger web site.