int di=2;
int step=3;
int di2=4;
int step2=5;
float ldr1=A0;
float vldr1;
float ldr2=A1;
float vldr2;
float ldr3=A2;
float vldr3;
float ldr4=A3;
float vldr4;
float ldr5=A4;
float vldr5;
float avrH;// 1 + 2
float avrV;//4 + 5
void setup() {
  Serial.begin(9600);
  pinMode(di, OUTPUT);
  pinMode(step, OUTPUT);
  pinMode(di2, OUTPUT);
  pinMode(step2, OUTPUT);
}

void loop() {
  vldr1=analogRead(ldr1);
  Serial.print("ldr1:");
  Serial.println(vldr1);
  vldr2=analogRead(ldr2);
  Serial.print("ldr2:");
  Serial.println(vldr2);
  vldr3=analogRead(ldr3);
  Serial.print("ldr3:");
  Serial.println(vldr3);
  avrH=(vldr1+vldr2)/2;
  Serial.print("avrH:");
  Serial.println(avrH);
  vldr4=analogRead(ldr4);
  Serial.print("ldr4:");
  Serial.println(vldr4);
  vldr5=analogRead(ldr5);
  Serial.print("ldr5:");
  Serial.println(vldr5);
  avrV=(vldr4+vldr5)/2;
  Serial.print("avrV:");
  Serial.println(avrV);
  delay(100);
  if((vldr1<vldr2)&&(vldr3!=avrH))
  {
    digitalWrite(di, HIGH);
    digitalWrite(step, HIGH);
    delayMicroseconds(50);
    digitalWrite(step, LOW);
    delayMicroseconds(50);
  }
  if((vldr1>vldr2)&&(vldr3!=avrH))
  {
    digitalWrite(di, LOW);
    digitalWrite(step, HIGH);
    delayMicroseconds(50);
    digitalWrite(step, LOW);
    delayMicroseconds(50);
  }
  if((vldr4<vldr5)&&(vldr3!=avrV))
  {
    digitalWrite(di2, HIGH);
    digitalWrite(step2, HIGH);
    delayMicroseconds(50);
    digitalWrite(step2, LOW);
    delayMicroseconds(50);
  }
  if((vldr4>vldr5)&&(vldr3!=avrV))
  {
    digitalWrite(di2, LOW);
    digitalWrite(step2, HIGH);
    delayMicroseconds(50);
    digitalWrite(step2, LOW);
    delayMicroseconds(50);
  }
}