If you already have a ton of smart home devices and you're wondering what to do next, I recommend picking up an ESP8266.

With a simple web-interface running on the ESP8266, they can control the AVR ... a few more lines of code to tie it into an existing home automation system or add in support for Alexa voice ...

Despite the name, home automation doesn’t have to be limited ... There’s also a minimal web server running on the microcontroller that lets him trigger various actions just by hitting the ...