Oh, I was wondering where the arduino went! :D. Report comment. Reply. boot says: September 28, 2013 at 6:29 am ... Currently working on a metal detector hack myself, ...

Building Your Own Arduino Metal Detector. If you’re interested in building your own Arduino metal detector, you’ll need a few basic components: 1.

To make this detector really useful, we need to take it mobile. Part IV: Powering the EMI Detector in Mobile Mode • Step 1: Carefully unplug Arduino from the USB cable.

Arduino ADC is usable around 10/12 bits. That means it can measure up to 1024/4096 diferent voltage levels. Counting frequency instead can let you choose your own diferent measurement levels ...

The easy fix for this is to simply flip off a power strip, but if you want to root out and identify the source, Popular Mechanics shows you how to build your own Electromagnetic Interface (EMI ...

Over on Adafruit, they show you how to build your own that hooks into IFTTT so you can be alerted any way you like when the door opens. The system here uses a cheap Arduino board, a few sensors ...