QMK Proton C

Brought to you by the QMK Collaborators, this is the new and improved external controller that you didn’t know you needed. The Proton C is a drop-in replacement for a Pro-Micro and so much more. The incomparable qualities of the original: 32-bit Cortex-M4 Processor USB-C Port that won’t break off easily PWM on every exposed pin A break-away section with extra pins and a place to mount a speaker RESET button with a sane bootloader And some new features for Rev 2: Clear solder mask on both sides Speaker pads on both sides You can now connect one side of the speaker to GND to gain an additional I/O pin Take Your Handwired Build To The Next Level The quintessential controller for your custom build. Yes, you can have USB-C and Audio in your hand-wired builds! The Proton C provides 23 GPIO pins. That’s enough to wire a full sized keyboard! Note: Header pins are not included with the Proton C