This week we will pair an old smartphone with internet wizardry to make a motion-activated camera that posts pictures to social media. That will let the birds in your garden tweet as many selfies ...

you could easily link your PIR sensor to a microprocessor, using the set-up to track household activity, create your own alarm system, program a smart assistant to greet you when you arrive home ...

To make the motion part work, my original plan was to use the Thread-enabled Eve motion sensor and make an automation in the Home app that turned on the lights when motion was detected ...

This source can be wired, or battery-driven. For example, Hue offers a battery-powered motion sensor that can activate your home’s lights when triggered. The easiest way to install a new motion ...

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 ...