光敏電阻 (光控) 實驗

#define ADpin A5
#define LED 13
int ADBuffer = 0;
void setup()
{
  pinMode(LED, OUTPUT);
  Serial.begin(9600);
}

void loop()
{
  ADBuffer = analogRead(ADpin);
  Serial.print("AD = ");
  Serial.println(ADBuffer);
  if (ADBuffer > 900)
    digitalWrite(LED, HIGH);
  else
    digitalWrite(LED, LOW);
  delay(500);
}