#include <Servo.h>

int led1=9;
int led2=10;
int led3 = 8;

int button1=11;
int button2=12; 
int limitsw1=2;
int limitsw2=4;
int signal=7;

int pos;

Servo left;
Servo right;
Servo middle;

bool flag;
bool flag2;
void setup() {
  // put your setup code here, to run once:
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);  
pinMode(signal,OUTPUT);
pinMode(led3,OUTPUT);


pinMode(button1,INPUT_PULLUP);  
pinMode(button2,INPUT_PULLUP);
pinMode(limitsw1, INPUT);
pinMode(limitsw2, INPUT);  

digitalWrite(led1, LOW);
digitalWrite(led2, LOW);
digitalWrite(signal, LOW);

flag=false;
flag2 = false;
////////servo attached to pin.../////////////
middle.attach(3);
left.attach(5);
right.attach(6);
//////////servo default position///////
left.write(60);
right.write(95);
middle.write(0);

Serial.begin(115200); // Any baud rate should work
  Serial.println("Hello Arduino\n");

}

void loop() {

  if(digitalRead(button1) == LOW && digitalRead(limitsw1) == HIGH){
   digitalWrite(led1, HIGH);

     Serial.println("motor left start");
     flag= true;

  }
else if(digitalRead(limitsw2) == HIGH && flag == true){
  
  flag= false;
  digitalWrite(led1, LOW);
  delay(1000);
for(int j =0; j < 46; j++){ 
 middle.write(j);
delay(15);
}
  delay(1000);

  for(pos= 60; pos < 162 ; pos++){ //change both 180 to requried position
  left.write(pos);
int x;
x=map(pos, 60,161,95,19);
    right.write(x);
delay(10); //increase delay to slow speed
    
  }
  
    delay(500);
  digitalWrite(signal, HIGH);
      Serial.println("motor left stop");
        delay(10000);
        digitalWrite(led3, LOW);
          digitalWrite(signal, LOW);


}
else{
  //do nothing..
}
if(digitalRead(button2)==LOW && digitalRead(limitsw2) == HIGH){
  
  flag2 =true;
  digitalWrite(signal, LOW);
for(int k=45; k> 0; k--){ 
 middle.write(k);
delay(15);
}

  for(pos=162; pos >60 ; pos--){//change both 180 to requried position
  left.write( pos);
int y= map(pos,162,60,19,95);
    right.write(y);
   delay(10); //increase delay to slow speed
    
  }
  delay(1000);
  middle.write(0);
  delay(1000);
  digitalWrite(led2, HIGH);
  Serial.println("motor right start");

}
else if(digitalRead(limitsw1) == HIGH && digitalRead(button2) == HIGH){
  
  digitalWrite(led2, LOW);
  flag2=false;

Serial.println("motor right stop");

}
else{
  //do nothing..
}
if (flag==true || flag2 == true){
  digitalWrite(led3, HIGH);

}
else   digitalWrite(led3, LOW);

}