Chaz

Low Profile, Choc Spaced QAZ-alike

Features

• QAZ Layout
• Choc Spaced
• Integrated STM32F702 microcontroller
• Open Source

Materials

• 1x Chaz PCB & Switchplate - Buy - Source
• 2x 2U Kailh Choc Stabalizers
• 37x Kailh Choc v1 Switches
• 37x Keycaps
  • 31x 1u
  • 2x 1.25u
  • 1x 1.75u
  • 1x 1.5u
  • 1x 2u
  • 1x 2.25u
• 1x Case
• 6x M2x6 countersunk screws

Build Steps

• Insert switches into switchplate
  • NOTE: There are 3 switches rotated differently from the rest. Check the PCB to make sure you've got the correct orientation
• Insert stabalizers
• Place switchplate with switches onto PCB and press all the switches into their homes.
• Solder Switches
• Insert into case
• Screw Case to PCB from the bottom

Firmware

To get into DFU, hold the DFU button on the bottom of the PCB while plugging in USB.

• QMK
• VIAL
• ZMK

Changelog

• v0.3 - Current STM32F072CBT6
• v0.2 - Unreleased and Unverified RP2040
• v0.1 - Previously released ProMicro
• v0.0 - Unreleased, but Verified ProMicro

Credits

• tominabox1 and whydobearsxplod for the original QAZ
• sporkus for Le Chiffre STM32 that I used as reference.
• Pete Johanson for suggesting I try STM32F072CBT6