![]() Using a Pro Micro controller is a very good 'easy' option as a beginner or for a low cost build, but with more and more advanced features added to QMK needing more memory to compile, or using VIAL for dynamic real-time keymapping, the Atmega32u4 is quickly running out of usable memory. ![]() This gives you a lot more usable memory space for advanced QMK keymaps or using VIAL. Optional bootloader As an added option, the Pro Micro can be delivered reflashed with a minimal bootloader. ![]() I'm merely covering my expenses, shipping/taxes etc, with no measurable profit on these. Please note! You can likely find them cheaper on AliExpress or similar if you are willing to order from various sources or if bying in bulk. I'm merely reselling these AS-IS to make it a one-stop-shop for building your keyboard. What's included As standard, these are delivered in a sealed ESD bag, with the 2 pinheaders just like any Pro Micro clone. The ones I sell are purposely selected to be as short as possible, to fit the designs made for the 'original' outline. This also means that the USB C variants are pretty much different from seller to seller, ar at least between design variants. Unfortunately there is no real standardization on Pro Micro controllers in general as it's an open source design, and it is being copied sometimes form a copy. This means that the USB C one's will not always fit custom 3D printed cases etc, as the USB port is pushed outside the case. The original design of the Pro Micro with the USB Mini B connector, and the original outline, as shown in the image above (blue Pro Micro), has a shorter top portion extending past the top hole, than most USB C versions (shown in purple). Atmega32u4 5V & 16 Mhz (The most common used on keyboards).Standard 24-pin interface, fit's many (most?) DIY keyboard designs.USB port (Select USB-C or USB Mini B connector). ![]() The most popular and common DIY keyboard controller!Īn Arduino clone based on the Atmel Atmega32u4 MCU Specification ![]()
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