While PIR sensors can be used with Arduino and other microcontroller boards, those best-suited for hobby use are smart enough to perform simple tasks without any programming.

Posted in Misc Hacks Tagged ESP8266, IFTTT, instructable, PIR sensor, Procrastination ← XChange Promises Inexpensive Tool Changes For 3D Printers Fully Backlit AlphaSmart NEO2 Lights Up The ...

He disassembled the air freshener, then set out to figure out how he could interface with the PIR sensor.