int dirPin = 8;
boolean s = true;
int stepperPin = 7;
void setup() {
 pinMode(dirPin, OUTPUT);
 pinMode(stepperPin, OUTPUT);
}
 void step(boolean dir,int steps){
 digitalWrite(dirPin,dir);
 delay(50);
 for(int i=0;i<steps;i++){
   digitalWrite(stepperPin, HIGH);
   delayMicroseconds(800);
   digitalWrite(stepperPin, LOW);
   delayMicroseconds(800);
 }
}
void loop(){
int a=analogRead(A0);
int i,aa;
aa=0;
int Array [10];
for (i=0;i<10;i++)
{
  Array [i]=a;
}
for (i=0;i<10;i++)
{
  aa=aa+(Array [i]);
}
if (aa<100 && s == true)
{
  step(true,8000);
  s=false;
}
if (aa>60 && s == false)
{
  step(false,8000);
  s=true;
}
delay (60000);
}