#include <Servo.h>
Servo left;
Servo right;
int pos = 0;
int value = 0;
int treshold = 400;
void setup() 
{ 
  right.attach(9); 
  left.attach(10);  
} 
void loop() {
  ReadSharpSensor();
}
void ReadSharpSensor () {
  value = analogRead(0);
  if (value > treshold) {
    turn();
  }
  else
  {
    move();
  }
}
void turn () {
  left.write(135);
  right.write(135);
}
void move () {
  left.write(135);
  right.write(45);
}