The board itself also has some differences from the original Arduino Uno. First of all ... also means no USB programming), a different pin layout (Arduino shields likely won’t fit) and more ...

Then, an Arduino board might be exactly what you're looking for. This open-source hardware platform comes in a multitude of versions, from the classic Uno to the tiny Nano to the powerful Giga ...

The Sno (pronounced like “snow”) board is a tiny footprint Arduino board that you can see ... You can prototype on the XLR8 which looks like a UNO or you can put headers in the Sno.