void setup(){
myservo.attach(3);//attach servo on pin 3 to servo object
serial.begin(9600);
pinMode(Echo,INPUT);
pinMode(Trig,OUTPUT);
pinMode(IN1,OUTPUT);
pinMode(IN2,OUTPUT);
pinMode(IN3,OUTPUT);
pinMode(IN4,OUTPUT);
pinMode(ENA,OUTPUT);
pinMode(ENB,OUTPUT);
stop();
}
void loop(){
myservo.write(90);//setservo position according to scaled value
delay(500);middleDistance
middleDistance = Distance_test();
if(middle Distance <= 20){
stop();
delay(500);
myservo.write(10);

delay(1000);
rightDistance = Distance_test();