The nice!nano is a wireless-capable Pro Micro drop-in replacement microcontroller for you keyboard.
To build a wireless keyboard with the nice!nano, you will need a suitable 3.7V rechargeable battery, for example the 301230 110mAh Li-Po battery.
It includes square post headers for assembly, however we recommend to socket the nice!nano using microcontroller sockets instead.
P.S. A nicer picture is coming soon!