Bluetooth Robot Car

Just Do Electronics September 10, 2021

Circuit Diagram :-

Code :-

 
//Prateek
//www.prateeks.in
  
char t;

void setup() {
  pinMode(13, OUTPUT);  //left motors forward
  pinMode(12, OUTPUT);  //left motors reverse
  pinMode(11, OUTPUT);  //right motors forward
  pinMode(10, OUTPUT);  //right motors reverse
  pinMode(9, OUTPUT);  //Led
  Serial.begin(9600);

}

void loop() {
  if (Serial.available()) {
    t = Serial.read();
    Serial.println(t);
  }

  if (t == 'F') {          //move forward(all motors rotate in forward direction)
    digitalWrite(13, HIGH);
    digitalWrite(11, HIGH);
  }

  else if (t == 'B') {    //move reverse (all motors rotate in reverse direction)
    digitalWrite(12, HIGH);
    digitalWrite(10, HIGH);
  }

  else if (t == 'L') {    //turn right (left side motors rotate in forward direction, right side motors doesn't rotate)
    digitalWrite(11, HIGH);
  }

  else if (t == 'R') {    //turn left (right side motors rotate in forward direction, left side motors doesn't rotate)
    digitalWrite(13, HIGH);
  }

  else if (t == 'W') {  //turn led on or off)
    digitalWrite(9, HIGH);
  }
  else if (t == 'w') {
    digitalWrite(9, LOW);
  }

  else if (t == 'S') {    //STOP (all motors stop)
    digitalWrite(13, LOW);
    digitalWrite(12, LOW);
    digitalWrite(11, LOW);
    digitalWrite(10, LOW);
  }
  delay(100);
}

Video :-

If You Want Code Then Plz Click It Code Button

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