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Mysterium TKL Kit (White)


Build your very own custom TKL keyboard from scratch!

Easy to solder, uses only through-hole components.

SKU: K-MYST-WHT Category: Tags: ,

Mysterium TKL Through-Hole Keyboard Kit

Designed by coseyfannitutti of

Bryan, if you’re reading this, please get in touch! I tried e-mailing you a couple of times, I’d love to send you part of the proceeds from every sale.

Build your very own custom keyboard from scratch!

  • Tenkeyless (TKL) 80% layout
  • Easy to solder, uses only through-hole components (no SMD)
  • Plateless option for use with PCB-mounted (5-pin) switches
  • Optional FR4 plate available
  • Lead-free tinned finish, white solder mask

Documentation in the GitHub repository

Kit includes:

  • Main PCB
  • Bottom plate made from PCB material (FR4)
  • All electronic components
  • Controller flashed with USBaspLoader bootloader
  • Brass standoffs and screws
  • Acrylic covers (when ordered with a plate, only the top cover is supplied)

Optional add-ons available:

  • FR4 switch plate
  • Anodised aluminium cone feet

Kit does not include:

  • Switches, stabilizers, keycaps
Weight 0.49 kg


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