Datasheet

Finally, there's the "Stacking Header" option. This one is

sort of the best-of-both-worlds. You get the ability to

plug into a solderless breadboard

and

plug a

featherwing on top. But its a little bulky

Soldering in Plain Headers

Prepare the header strip:

Cut the strip to length if necessary. It will be easier to

solder if you insert it into a breadboard - long pins down

https://learn.adafruit.com/adafruit-feather-m0-express-designed-for-circuit-python-

circuitpython

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