Adafruit Featherwing Doubler - Prototyping Add-On For All Feather Boards
Part number: 2890
Description
The FeatherWing Doubler by Adafruit isn’t just one prototyping add-on board – it’s two! It means you can stack a Feather and another board on top of the Doubler, enabling you to work with both boards sid-by-side. The Doubler works with all Feather boards.