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Sweet Sixteen

STDSweet Sixteen

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License

BSD

Creation time:2020-02-19 19:32:40Update time:2020-03-02 14:30:34

Description

sweet_sixteen.png

Sweet Sixteen: A "16% keyboard" based loosely on the popular r/mk bumper sticker

73 people thought it was a fine idea according to this post on reddit.

Includes designs for a PCB and an FR-4 (i.e. PCB material) Mounting Plate. You may use either a plate-mount or PCB-mount stab for the spacebar, or even a Costar stab if you are one of the 11 people who actually like Costar (just kidding. I like Costar stabs.)

Notes:

  • North facing switches for your GMK pleasure [sic]
  • You can survive without the mounting plate if you use a PCB-mount stabilizer.
  • You will need a Pro Micro (or compatible) dev board to make this work.
  • The Pro Micro can be mounted components-up or components-down.
  • If you mount the Pro Micro components-up, you may need to trim the switch pins. You might also want to put a bit of kapton tape over the switch pins to prevent them from shorting out.
  • To attach the mounting plate to the PCB, you'll need 6 * M2 standoffs, M2 washers, M2 8mm screws, and M2 nuts.
  • Since there are only 16 keys, a matrix was unnecessary. No diodes were necessary either (yay!) Each switch is wired directly to a pin on the MCU.

And for the feet -- bumpons! (what else)

No firmware yet. Will be QMK compatible.

WARNING: Completely untested. No DRC errors in EasyEDA; that's about all I can guarantee so far.

Design Drawing

schematic diagram
PCB

BOM

IDNameDesignatorFootprintQuantity
1oneS1CHERRY MX SWITCH1
2twoS2CHERRY MX SWITCH1
3threeS3CHERRY MX SWITCH1
4fourS4CHERRY MX SWITCH1
5fiveS5CHERRY MX SWITCH1

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