Using motion detectors and an Ardunio you can add a little extra wow to your Halloween displays this year. This article covers the circuits and the code to make that happen.

The Arduino samples the peak detector’s output and calculates the original pulse’s amplitude. Their webpage has copious details on where to get the parts, the software and how to make it.

A new Instructables page has been created to make an eco-friendly DIY metal detector using an Arduino Mega just been combined with a 3.2 inch TFT LCD touchscreen to provide a fantastic readout ...