Voice And Blutooth Based Robot Car

 Video :-

Circuit Diagram :-

   Code + App + Circuit Diagram :-              Downloads

Moble App

Code :-

//Prateek //www.prateeks.in #include "AFMotor.h" const int MOTOR_1 = 1; const int MOTOR_2 = 2; const int MOTOR_3 = 3; const int MOTOR_4 = 4; AF_DCMotor motor1(MOTOR_1, MOTOR12_64KHZ); // create motor object, 64KHz pwm AF_DCMotor motor2(MOTOR_2, MOTOR12_64KHZ); // create motor object, 64KHz pwm AF_DCMotor motor3(MOTOR_3, MOTOR12_64KHZ); // create motor object, 64KHz pwm AF_DCMotor motor4(MOTOR_4, MOTOR12_64KHZ); // create motor object, 64KHz pwm int state; int Speed = 130; void setup() { motor1.setSpeed(Speed); // set the motor speed to 0-255 motor2.setSpeed(Speed); motor3.setSpeed(Speed); motor4.setSpeed(Speed); Serial.begin(9600); delay(500); } void loop(){ if(Serial.available() > 0){ //if some date is sent, reads it and saves in state state = Serial.read(); if(state > 10){Speed = state;} } motor1.setSpeed(Speed); // set the motor speed to 0-255 motor2.setSpeed(Speed); motor3.setSpeed(Speed); motor4.setSpeed(Speed); //=============================================================================== // Key Control Command //=============================================================================== if(state == 1){forword(); } // if the state is '1' the DC motor will go forward else if(state == 2){backword();} // if the state is '2' the motor will Reverse else if(state == 3){turnLeft();} // if the state is '3' the motor will turn left else if(state == 4){turnRight();} // if the state is '4' the motor will turn right else if(state == 5){Stop(); } // if the state is '5' the motor will Stop /////////////////////////////////////END\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ //=============================================================================== // Voice Control Command //=============================================================================== else if(state == 6){turnLeft(); delay(400); state = 5;} else if(state == 7){turnRight(); delay(400); state = 5;} /////////////////////////////////////END\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ delay(80); } void forword(){ motor1.run(FORWARD); // turn it on going forward motor2.run(FORWARD); motor3.run(FORWARD); motor4.run(FORWARD); } void backword(){ motor1.run(BACKWARD); // the other way motor2.run(BACKWARD); motor3.run(BACKWARD); motor4.run(BACKWARD); } void turnRight(){ motor1.run(FORWARD); // the other right motor2.run(FORWARD); motor3.run(BACKWARD); motor4.run(BACKWARD); } void turnLeft(){ motor1.run(BACKWARD); // turn it on going left motor2.run(BACKWARD); motor3.run(FORWARD); motor4.run(FORWARD); } void Stop(){ motor1.run(RELEASE); // stopped motor2.run(RELEASE); motor3.run(RELEASE); motor4.run(RELEASE); }

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