CPM43

40% Mechanical keyboard PCB

Layout

Features

• In-switch LED support.
• Individually addressible RGB underglow provided by 14 separate WS2812B LEDs.
• USB Type-C connector on the left side.
• Compatible with Cherry MX and ALPS switches.
• Integrated 16MHz Atmega32u4 microcontroller for better QMK compatibility.
• USB ESD protection circuit.
• ICSP programming header just in case you try something a bit too extreme and need to unbrick it.
• 0805 SMD and through hole Diode/resistor compatibility for ease of assembly.
• USB breakout for extra redundency.

Warning

KiCad 5 or above is needed to open this project. KiCad 4 or below won't work.