Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, and it is also very simple to build. All you need are a few basic parts, ...

Because his blinkenlight shield can be used as a light sensor, all that’s needed is a mirror and a pretty long line of sight. There’s a few problems with the setup though: with the Arduino ...

Simply put, it tricks the car into burning less fuel when it’s cruising under a light ... Arduino. The video does a wonderful job going into the details, but essentially by using an oxygen ...