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The Adafruit NeoKey Breakout can fit one Cherry MX or compatible switch and make it easy to use with a breadboard or perfboard. The breakout has a Kailh socket, which means you can plug in any MX-compatible switch instead of soldering it in. You may need a little glue to keep the switch in place: hot glue or a dot of epoxy worked fine for us. We also place a 1N4148 signal diode in series with the switch, so you can create key-grid matrices without worrying about ghosted keys.
There's plenty of flexibility for any kind of use, each board has the following pin out:
Solder in both sides for mechanical stability, the two sides share the same pins except for one side is NeoPixel in and the opposite side has the out pin.
Please note, each order comes with one assembled PCB and a small stick of break-off header. Soldering is required to attach the header for breadboard use. A mechanical switch and key cap is not included! Use any MX-compatible switch: Kailh, Gateron, etc all work!
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