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Sep 24th, 2017
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  1. int ledPin2 = 4;
  2. int ledPin3 = 3;
  3. int ldrPin = A0;
  4. int sensorValue = 0;
  5. void setup() {
  6. Serial.begin(9600);
  7. pinMode(ledPin2, OUTPUT);
  8. pinMode(ledPin3, OUTPUT);
  9. pinMode(ldrPin, INPUT);
  10. }
  11. void loop() {
  12. int ldrStatus = analogRead(ldrPin);
  13. if (ldrStatus <=100) {
  14. digitalWrite(ledPin2, HIGH);
  15. digitalWrite(ledPin3, LOW);
  16. Serial.println("LDR is DARK");
  17. }
  18. else {
  19. digitalWrite(ledPin2, LOW);
  20. digitalWrite(ledPin3, HIGH);
  21. Serial.println("LDR is BRIGHT");
  22. }
  23. }
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