The nice!nano is a Bluetooth enabled drop-in replacement for a Pro Micro. The target price is $20 per board with an expected MOQ of 100 and maximum order of 1,000.

Features:
- Mid mount USB-C port making the board a 3.2mm total thickness (thinner than a Pro Micro)
- Extra exposed pins to add a rechargeable lithium battery
- Works over USB as well
- nRF52840 chip on board with 1MB of Flash and 256KB of RAM
- Adafruit Bootloader loaded offering DFU flashing as well as flashing via UF2 storage (similar to dragging a file to a flash drive!)
- On board lithium battery charger through the USB C port (100mA charge rate)
- Extremely low power making the board capable of lasting a few weeks on a 100mAh battery
- Programmable indicator (blue) LED as well as a charging indicator (orange) LED
- Battery voltage reader to report battery percentage to main device
- External power can be cut off using an on board MOSFET saving power from LEDs (each can draw 1mA when off!)
- 5 extra GPIO pins (3 thru holes and 2 pads…