Arduino 101

Each page below has code, a Fritzing file, and a picture of the circuit.

Blink: The basic blinky LED. Get your feet wet with a simple sketch.

Photo Blink: Vary the blink rate with a photoresistor. Learn how to sense the real world.

Photo Buzzy Blink: Now add a piezo buzzer. Learn how to annoy your flatmates!

LED Fader: Fade an LED in and out. Make a digital circuit pretend to be analog.

LED Fader with Control: Use a potentiometer to adjust the LED's brightness. Take control.

Servo Control: Use the pot to control the position of a servo arm. Learn about libraries.