First, make sure you don't already have an ESP8266 core version installed using the Board Manager (see above). If you do, uninstall it from the Board Manager before proceeding. It is also advisable to ...

Flipping stairs is easy, but this project goes further by adding Arduino controlled LED lights to create SMART STAIRS.

Hopefully you’re here because you’ve heard about this new-fangled “Arduino” thing, and you’d like to know more. Maybe you know your way around a soldering iron, maybe you want to relive your glory ...