The Micro measures 48 mm in length and 18 mm in width and weighs about 13 g. The Nano, on the other hand, comes in the smallest form factor Arduino offers, with the same 18 mm width but a shorter ...

D’Elia says designing the interiors of these particular micro-units, which come fully furnished, requires the same approach as creating the interiors of a sailboat cabin or camper van.

Based on the Arduino Pro Micro, this hand-wired pad is unique in that a single press of any of its 16 keys can virtually “type” out multiple lines of text.