In this article I will add some simple Arduino LED projects starting with basic ones like how to turn on an LED, blinking, and more. Every step will have the code, the schematic, photos of the project ...

The entire system is built on the backbone of an Arduino Uno with a few other parts totaling at about $150. That seems expensive, but DeBoisblanc's build covers a lot of ground.

Add Arduino-Powered Brake Lights and Turn Signals to Your Bike. Alan Henry July 2, 2013 ... including the code required to make it all work. Bike Turn Signal & Brake Light Handlebars ...