See

  • graphics CAD
  • Radio Circuits SDR

Laser Cutter

K40 Lightburn

How can I make it not smell so much?

3d Printer

GRBL

Parts

GT2 Belt Screws

Motors

Continuous Stepper Stepper drivers A0whatevers those stand alone units

Raspberry Pi

Arduino

AVR. What supports avr

i2c book of i2c https://nostarch.com/book-i%C2%B2c spi uart

Gearing

Axles and gears. pitch = distance per tooth

Printing gears