Using motion detectors and an Ardunio you can add a little extra wow to your Halloween displays ... Here is the Arduino code for the Parallax sensor. int motion_1 = 2; int light_1 = 13; void ...

While PIR sensors can be used with Arduino and other microcontroller boards, those best-suited for hobby use are smart enough to perform simple tasks without any programming.

Arduino is the go to board for most folks looking for an introduction to microcontrollers. That's largely thanks to its sizable community, ease of use and surprising versatility. But, there is one ...