Adafruit Feather Stacking Headers 12+16-Pin Female sensor fusion It features four independent channels

It features four independent channels

using one or two alkaline batteries)

The Gemma M0 has swapped out the lightweight ATtiny85 for a ATSAMD21E18 powerhouse

This is the FeatherWing Doubler - a prototyping add-on and more for all Feather boards

and very similar regulators are available in a much smaller size with a&nbsp

Adafruit Feather Stacking Headers 12+16-Pin Female sensor fusion It features four independent channelsThese two Female Stacking Headers alone are, well, lonely. But pair them with any of our Feather boards and you're in business! What do they do? They stack. Put the headers through your Feather and then you can not only plug them into a solderless breadboard, but you could attach circuitry on top as well Note: Comes with one 12 pin and one 16 pin header, Feathers not included