IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...
[Jean-Christophe Rona] found himself with some free time and decided to finish a project he started two years ago, reverse engineering cheap 433MHz home automation equipment. He hopes to control his ...
A brilliant wireless way to detect presence, the Aqara Presence Multi-Sensor FP300 expands what you can do with routines.