With SparkFun SAMD21 Mini Breakout (DEV13664), DRV8825 stepper driver and Allegro A1335 rotary magnetic encoder
- ATSAMD21G18 - processor with USB port
- DRV8825 - stepper driver
- A1335 - magnetic rotary encoder using Hall effect
https://github.com/jcchurch13/Mechaduino-Hardware
https://github.com/uStepper/uStepper