40% Keyboards A blog about small mechanical keyboards. Home Firmware Parts Vendors corrects IE6 width calculation Wednesday, November 16, 2016 Efficient 5x6 matrix TMK firmware PWM backlight Pro Micro controller Unused pins broken out to header How to order PCBs Assembly notes With PCB top and bottom plates Low effort method of creating firmware My smallest keyboard with MX switches. The entire bottom row are dual function tap/hold keys . There is a missing trace. From VCC on the Pro Micro to the first pin (square pin) on JP1. Gateron milky white housings dyed green with RIT Emerald Green dye. They are very dark. You can see the brown jumper wire to fix the missing trace. M2 spac...