Halloween is right around the corner and just about every Halloween project needs some kind of motion sensor. Historically, we’ve used IR and ultrasonic sensors but [Makers Mashup] decided to ...

How do you wire a motion sensor to an existing outdoor light? Specific instructions for wiring up a motion sensor will vary by brand. Be sure to check the manufacturer’s instructions on specifics.

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.

A smart thermostat manages your home’s temperature automatically, but there’s another interesting way to use it: as a motion detector. You just need a little help from IFTTT. How-to Geek walks ...