H87A PCB
H87A PCB
H87A PCB

H87A PCB

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H87a - a fully-programmable PCB for custom a.87-layout tenkeyless (TKL) mechanical keyboards.

 

To check/estimate compatibility: h87a Compatibility Chart

For the thin PCB, pay attention to how tight you make the stabilizer screws while using the spacers as they can cause the stabilizer to bind and not return properly.

I CANNOT GUARANTEE THAT THIS PCB WILL FIT YOUR CASE, even if it is listed as "probable" by the spreadsheet linked above. If you have doubts, wait until someone else with your case tries this PCB.

This PCB WILL NOT fit your:

  • Coolermaster TKL
  • Varmilo TKL
  • WASD Code TKL
  • Ducky TKL
  • Leopold TKL
  • Corsair TKL
  • Logitech TKL
  • Razer TKL
  • any other OEM TKL

Specs:
  • TKL PCB, programmable via QMK.
  • MX plate/PCB mount only. NO ALPS SUPPORT ON THIS VERSION
  • "Skinny A87" form factor - same footprint as B87, but same USB placement and stab layout as A87.
  • Standard ANSI and WKL bottom rows, ISO enter, short right and left shifts, 2u backspace
  • Top-side Mini USB port
  • There are two options - South and North spacebar. The South spacebar variant should fit most boards. The North variant is for boards with less internal clearance. If you are not sure which to get, please ask me about the specific board you are wanting the PCB for - I am in the process of including this information in the compatibility chart.
  • RGB underglow
  • One-color in-switch LED
  • Powered by Atmega32U4 MCU
  • No physical reset switch - just short two pins on the PCB (for case compatibility)
  • In-switch indicator lights - connected via jumpers
  • Pins to solder a daughter board on (Moon TKL, for example)
  • JST SH 4-pin connectors for USB daughterboards and RGB breakout
  • Fully soldered and pre-programmed with a basic TKL map out of the box
  • SPI pins
  • Breakaway USB port for cases that use USB daughterboards
  • Breakaway switch stabilizer supports along bottom of PCB (for cases w/ limited clearance)


Github link for QMK:

https://github.com/hineybush/qmk_firmware/tree/master/keyboards/hineybush/h87a

 

Thank you Hayt for the product image :)