Features
- Beginner friendly through hole soldering.
- 60 keys arranged in a familiar qwerty layout with number keys arranged in a numpad.
- SPI, I2C, and 2 additional GPIOs broken out. Aside from these pins all others are used to read the key matrix.
- Teensy can be rotated with the micro USB facing up or down. Breakout pins will only work as expected with USB facing up.
PCBs are available on Tindie:
KiCad PCB files, Fusion360 model links, STLs and example Arduino keyboard firmware sketch available at:
Thingiverse entry for the HyperPixel 4 & Raspberry Pi 3 B+ Handheld proof of concept:
Various Keyboard Inspiration Links:
- https://hackaday.io/project/158454-mini-piqwerty-usb-keyboard
- http://rc2014.co.uk/modules/universal-micro-keyboard/
- https://atreus.technomancy.us/
Earlier version of the key faceplate:
I've been following a project for a while, though I have a question (hopefully if you're still active on this project), what kind of adjustments would I have to make in order for a Teensy 4.0 to work with this since Teensy 3.2s have been discontinued? Or should I just get a Butterfly STM32L433 instead. Thank you!