WIND is a breakout board for the Adafruit Feather Series to make it easier to fly wire and put together a project with little to no soldering.
It contains a battery holder for a 18650 (I hate loose batteries!), a few buttons, and 5 pin headers for each pin (plus a proto section). There is a power switch connected to the Enable pin (shuts off the regulator), and a voltage divider to the A0 analog for monitoring battery voltage.
This makes it easy to mount in a housing, and wire up different sensors you want to test.
See the Youtube video below for more details. A very nice project!
Eink, E-paper, Think Ink – Collin shares six segments pondering the unusual low-power display technology that somehow still seems a bit sci-fi – http://adafruit.com/thinkink
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