Amazing Dutch trans woman inventor who makes beautiful electromechanical contraptions including a cryptography machine similar to Enigma, a hardware Fourier transform integrator, and many more.
Ergodox variant similar to ErgoDash. More popular it seems
QMK Keyboard firmware fork for NRF52 family MCUs
Tiny well-featured NRF52840 dev board with lipo charging and USB-C. Not currently for sale anywhere but doable to manufacture. Arduino Pro Micro pinout compatible, intended for keyboards.
List of small NRF52840 boards, with USB, lipo charging features and smallest possible size. Compared with NRFMicro
Condensed ergo split keyboard. very attractive. Pro-micro-based, good candidate for NRF52840 replacement.
Project for wireless pixel runs controlled by ESP32/ESP8266 modules.
GPIB interface based on Arduino
Adafruit NDEF info
MiFare NDEF memory structure explanation document
NDEF Arduino library for PN522 shield
Facemask sewing pattern.
split mechanical keyboard to make
how to use PICKit to program Atmel AVRs
how to get LittleVGL working on teensy
Mini 256-bucket CCD spectrometer sensor.
open hardware for power storage and conversion
Web app to convert Google Maps terrain data to STL files for relief map fabrication.
Really nice logic analysers -- discounted to $450 for low income work.