Arduino
add introduction text to each exercise.
Exercise 3B: Alternating LED's blinking
Exercise 4C: Alternating LED's fading
Exercise 6C: Fading LED's controlled by a potmeter
Exercise 7A: LED Matrix
Exercise 8A: Control the LED with light
Exercise 9C: Siren
Exercise 11C: LED controlled by an ultrasonic proximity sensor
Exercise 12D: Sending Arduino output to Processing
Exercise 13B: Sending Processing data to Arduino
Exercise 14B: Controlling LED's with a button
Exercise 15B: Dancing servomotor
Exercise 16D: Capacitive touch