He suspected EMF interference so as a quick first step he decided to throw together an EMF detector using an Arduino. It uses a bank of LEDs as an indicator bar to reflect the EMF picked up by the ...

Droplet photography (link translated from French) often produces simple and beautiful images, but timing the exposure can be tricky. Snapping the photo too early or too late can cause you to miss t… ...

However, if you’re just looking to catch a sandwich thief at work or a cat spilling over all you water bottles, then Make shows you how to build an alarm system with an Arduino and a USB camera.

Technique / 'How often does an arduino board need to be replaced if used as a sensor in a waer tank' Techniques From lens focal lengths and fill-flash to portraits, macro or stunning landscapes ...

If so, Make Projects user Clement Storck built a simple Arduino powered notification system that sends him a text message and an email with a photo every time someone rings the doorbell.