android based voice control robot using arduino uno

watsapp:9052150158

[@RoboticAIprojects]

android app link:play.google.com/store/apps/details?id=com.broxcode.arduinobluetoothfree

[@RoboticAIprojects]

#include
#include
SoftwareSerial SIM900(2,3);
const int DC11=8;
const int DC12=9;
const int DC21=10;
const int DC22=11; //Output pins to be connected to 4, 5, 6, 7 Motors
char rx_data=0;
void stops()
{
Serial.println("stop");
Serial.println("STOP");
digitalWrite(DC11,HIGH);
digitalWrite(DC12,HIGH);
digitalWrite(DC21,HIGH);
digitalWrite(DC22,HIGH);
delay(2000);
}
void forward()
{
Serial.println("forward");
Serial.println("Forward");

digitalWrite(DC11,LOW);
digitalWrite(DC12,HIGH);
digitalWrite(DC21,LOW);
digitalWrite(DC22,HIGH);
delay(1000);
}
void backward()
{
Serial.println("");
Serial.println("Backward");
digitalWrite(DC11,HIGH);
digitalWrite(DC12,LOW);
digitalWrite(DC21,HIGH);
digitalWrite(DC22,LOW);

delay(1000);
}
void left()
{
Serial.println("");
Serial.println("Left");
digitalWrite(DC11,HIGH);
digitalWrite(DC12,LOW);
digitalWrite(DC21,LOW);
digitalWrite(DC22,HIGH);
delay(2000);
}
void right()
{
Serial.println("");
Serial.println("Right");
digitalWrite(DC11,LOW);
digitalWrite(DC12,HIGH);
digitalWrite(DC21,HIGH);
digitalWrite(DC22,LOW);
delay(2000);
}
void setup() {
pinMode(DC11,OUTPUT);
pinMode(DC12,OUTPUT);
pinMode(DC21,OUTPUT);
pinMode(DC22,OUTPUT);
Serial.begin(9600);
SIM900.begin(9600);
SIM900.println("Voice control robot for dustbin");
Serial.println("Voice control robot for dustbin ");
stops();
delay(100);
}
void loop() {
if(SIM900.available()>0){
textMessage = SIM900.readString();
Serial.print(textMessage);
delay(10);
}
if(textMessage.indexOf("forward")>=0){

Serial.println("FORWARD");
forward();

delay(100);
}
if(textMessage.indexOf("backward")>=0){

Serial.println("BACKWARD");
backward();
delay(100);
}
if(textMessage.indexOf("right")>=0){

Serial.println("RIGHT");
right();
delay(100);
textMessage = "";

}
if(textMessage.indexOf("left")>=0){

Serial.println("LEFT");
left();
delay(100);
textMessage = "";

}
if(textMessage.indexOf("stop")>=0){

Serial.println("STOP");
stops();
delay(100);
textMessage = "";

}
}