Leveraging the Trinamic TMC2208 stepper motor driver gives Ethersweep silky smooth ... the ubiquitous ATMega328 microcontroller, with the Arduino software stack deployed, making uploading firmware ...
The purple boards slotted into the pairs of SIL headers are Pololu Stepper motor drivers. Going this route makes replacing a burnt out chip as easy as plugging in a new module. The terminal block ...