If, however, they don't seem to be a great fit for your needs, there are several other small Arduino boards you can use instead, including the Micro (18 by 48 mm), MKR Zero (25 x 61.5 mm) and MKR ...

This year at CES, Intel introduced Curie — a button-sized system-on-chip module made for low-power wearables — but the company was mum on what would be the first products to use it. Now we ...