Here is a traffic light system based on Arduino that can be ... all you have to do is connect the leds in series with a 470Ω resistor between the ground and the Arduino pins mentioned in the code.

Instructables user CarlS powered through a big Arduino project with digital LEDs. He created a holiday lights system that ... then programmed the lighting sequences. He used an Arduino Mega ...

Now you can build a simple Light/Optical Theremin next to nothing. Thanks to the support of the Arduino microcontroller – very few ... For example, you can connect more BPW34 photodiodes in series to ...

Arduino has an enormous fanbase around the ... been done for you — the fun part is coming up with an awesome light sequence. If you can afford the proper candygrabber components, then you ...