If a small board sounds like the most appropriate choice, there are two options: a Nano and a Micro. They look like the same board to the untrained eye, but they're different from one another.

The two boards have distinct connectors, though: the Nano has a mini-B USB and the Pico has a micro-USB, so they can't share the same cable. Other than the USB port, there are other ways to power ...

“If we can upgrade pico and nano entrepreneurs to the micro level, it would be an achievement worth celebrating.” Rubiah said this at the Building Leaders and Entrepreneurial Society (BLESS TALK) ...