Recently, I exhausted my stock of common passive infrared (PIR) motion sensor modules and was looking for a new one to play with. I searched the web for a small type with self-contained electronics.

Electronics hobbyists, experimenters and constructors of microcontroller project frequently need to measure/detect voltage, current, frequency, temperature and… proximity. Most measure ...

This article is sponsored by Aqara. Product choices and opinions expressed are from the sponsor and do not reflect the views of Android Police editorial staff. When it comes to smart home automation, ...