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One of the essential parts of any home security system is a door detector that lets you know when a door opens. 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.
It turns out that the power supply unit, or PSU, of a standard desktop computer is the perfect device to energise most of your DIY electronics projects. With rails for 12, 5 and 3.3 volts, it suits a wide range of hobbyist gadget demands. The following guide will show you how to transform a decommissioned PSU into a tweakable DIY power source.
Smart watches are fine, but they really don’t capture the DIY spirit. Over on Instructables, user benhur.gonvalves shows you how to build a smart little watch using an Arduino that comes packed with a pedometer, temperature reader, compass and more.
Timelapse photography is great, and it’s certainly something we’ve seen DIY solutions for before. Over on Make, they show off another way to do it, using an Arduino.