#include <Servo.h> 
int zpin = A1;
int accelerometer_z;
int i;
float zg;
Servo HL_servo;  // create servo object to control a servo 
 // a maximum of eight servo objects can be created 
 
int pos = 0;    // variable to store the servo position 
 
void setup() 
{ 
  HL_servo.attach(4);  // attaches the servo on pin 20 
} 
 
 
void loop() 
{ 
  accelerometer_z = analogRead(zpin);                       //reads values from Z-pin & measures acceleration in Z direction
  int z = map(accelerometer_z, 282, 418, -100, 100);        //maps the extreme ends analog values from -100 to 100 for our understanding
  float zg = (float)z/(100.00);
  Serial.println(zg);

 if(zg > 6.0){
  delay(3100);
  for(pos = 10; pos < 170; pos += 1)  // goes from 10 degrees to 170 degrees 
  {                                  // in steps of 1 degree 
    HL_servo.write(pos);              // tell servo to go to position in variable 'pos' 
    delay(15);                       // waits 15ms for the servo to reach the position 
  } 
 }
  exit(1);
}