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.

It’s really hard to overstate how awesome ESP8266 development boards like the Wemos D1 Mini really are. For literally a couple of dollars you can get a decently powerful Wi-Fi enabled microcontroller ...

NASCAR on Tuesday selected Phoenix International Raceway as one of its six testing sites for its top national series in 2008. PIR will host two days of testing on March 3-4 for the Sprint Cup Series ...