avril songs Arduino: Ambient Light Dependent Blinker

Extremely simple interactive Arduino project: A blinker that blinks faster when the ambient light is weaker. I used the built-in LED of pin 13 for blinking, a photoresistor that connects 5V to A0, and a 10K Ohm resistor from A0 to GND as a pull-down resistor, to prevent floating input voltage. Here's the code:

void setup() {
pinMode(13, OUTPUT);
}

void loop() {
digitalWrite(13, HIGH);
delay(10);
digitalWrite(13, LOW);
delay(analogRead(A0));
}

Enjoy!

avril songs Arduino: Ambient Light Dependent Blinker
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Science & Technology	Upload TimePublished on 15 Mar 2012

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