#include <Servo.h>;
Servo tap_servo;
int sensor_pin = A0;
int tap_servo_pin =5;
int val;
void setup(){
pinMode(sensor_pin,INPUT);
tap_servo.attach(tap_servo_pin);
Serial.begin(9600);
}
void loop(){
val = analogRead(A0);
Serial.println(analogRead(A0));
delay(1000);
if (val<=500)
{tap_servo.write(90);
}
else if (val<=620)
{tap_servo.write(45);
}
else {
  tap_servo.write(0);
}
}