Leaving the PIR sensor and the ESP8266 microcontroller (an Adafruit Huzzah) on all the time drained the batteries pretty quickly, so [rgrokett] decided to try putting the Huzzah to sleep.

This tutorial is truly accessible if you never touched ESP8266 deep sleep before but would like to start – it’s short and sweet, and you’ll have your battery-powered sensor up and running in ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...