Arduino UNO R4 WiFi development board. USB to Micro USB-B data cable. Once you have these components in hand, then you are in ...

This feature isn’t exclusive to the Leonoardo, as [Michael] explains in a build he sent in – the lowly Arduino Uno can also serve ... to have your old Arduino board gain some of the features ...

But what interests us is the professional-quality greenhouse automation he built around and Arduino board. The greenhouse is about what you’d expect to see at a nursery, except the footprint is ...