The presented schematic shows how to build a simple PIR motion sensor. PIR sensors allow motion sensing, it is almost always used to detect whether someone has moved in or out of the sensors range.

A good source of hackable home automation parts has come for a while in the form of inexpensive modules offered by large retailers such as Lidl, or IKEA. They’re readily available and easy to play ...

The RemoBell W’s passive infrared sensor and its remote wireless chime are high notes, but we remain less than enthused with the Remo+ app. Remo+ jumped into the video doorbell product with both feet, ...

So, you need to measure the temperature of your IC, PCB, or box? No big deal: you can use one of the many available approaches, via sensors such as a thermocouple, RTD, thermistor, diode, or an ...