const int analogPin = 0;

void setup() {
    Serial.begin(9600);
}

void loop() {
    int mn = 1024; // mn only decreases
    int mx = 0;    // mx only increases

    // Perform 1000 reads. Update mn and mx for each one.
    for (int i = 0; i < 100; ++i) {
        int val = analogRead(analogPin);
        mn = min(mn, val);
        mx = max(mx, val);
    }

    // Send min, max and delta over Serial
    Serial.print("m=");
    Serial.print(mn);
    Serial.print(" M=");
    Serial.print(mx);
    Serial.print(" D=");
    Serial.print(mx-mn);
    Serial.println();
if((mx-mn) > 15) digitalWrite(2, HIGH);
else digitalWrite(2, LOW);

if((mx-mn) > 25) digitalWrite(3, HIGH);
else digitalWrite(3, LOW);

if((mx-mn) > 40) digitalWrite(4, HIGH);
else digitalWrite(4, LOW);

if((mx-mn) > 100) digitalWrite(5, HIGH);
else digitalWrite(5, LOW);

if((mx-mn) > 120) digitalWrite(6, HIGH);
else digitalWrite(6, LOW);

if((mx-mn) > 200) {digitalWrite(7, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(10, HIGH);
  delay(1000);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(7, LOW);
}


}