Another way Arduino simplifies power requirements is when you're controlling ... Unlike Raspberry Pi, Arduino is entirely open-source, meaning both its software and hardware are readily available ...

[rockfishon]’s Arduino-powered wood stove controller is one of these beautiful exceptions. (OK, we’d admit that it could use a fancier faceplate.) He started off simply enough, wanting to ...

Make it open source and freely available ... from the Wiring board, like the power LED. This became the “Wiring Lite” board — and eventually the first Arduino prototype.