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… ...

Make a motion-controlled wildlife camera with an old smartphone and find out what birds, bees, butterflies and badgers are visiting your garden By Hannah Joshua 31 July 2019 ...

A motion sensor activates the light when it detects something moving within its field of view. Photocells work with a resistor that changes its conductivity based on how many photons are hitting it.

This motion sensor is tied to a stay-on switch for the kitchen. So, when I take out the trash, the kitchen lights do not turn off abruptly just because I have left the room for more than a minute.

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 ...