The photoresistor is based on light resistance, it will sense the light and will allow the microcontroller in this case Arduino to react and change the intensity of Led Diode. The photoresistor ...

[Rockwell] sent us an update on his traffic light hacking. Dedicated readers ... He’s given control of the hardware over to an Arduino. Instead of building the board into the project he ...

The Arduino Pro Mini used to control the traffic light is not only responsible for playing the tones through a piezo speaker, but as you might expect, for firing off the relays which ultimately ...