3D parts designed in FreeCAD (fcstd file is included) and printed in PLA using Cura. Electronic parts laid out using DIY Layout Creator.
Print using the individual component's STL file, and refer to the image to see how everything fits together. For higher speed (...and less torque), use v2 of the gears.
Besides the 3D prints, you'll also need...
- You can used the provided hex file for direct upload to your ATtiny, or you can compile using.
- avr-gcc -g -Wall -O2 -mmcu=attiny13 -c -o stepper.o stepper.c
- avr-gcc -g -Wall -O2 -mmcu=attiny13 -Wl,-Map,stepper.map -o stepper.elf stepper.o -lm
- avr-objcopy -j .text -j .data -O ihex stepper.elf stepper.hex