BD Electronics

  Make a Car with hc-05 and arduino uno #include <AFMotor.h> //initial motors pin AF_DCMotor motor1 ( 1 , MOTOR12_1KHZ ) ; AF_DCMotor motor2 ( 2 , MOTOR12_1KHZ ) ; AF_DCMotor motor3 ( 3 , MOTOR34_1KHZ ) ; AF_DCMotor motor4 ( 4 , MOTOR34_1KHZ ) ; char command; void setup () {         Serial . begin ( 9600 ) ;  //Set the baud rate to your Bluetooth module. } void loop (){   if ( Serial . available () > 0 ){     command = Serial . read () ;     Stop () ; //initialize with motors stoped     //Change pin mode only if new command is different from previous.       //Serial.println(command);     switch ( command ){     case 'F':         forward () ;       break ;     case 'B':           back () ;       break ;     case 'L':         left () ;      ...