Material:
1X Arduino Nano
3X KY-003 standard magnet sensor short
3X 28byj-48 5V stepper motor
3X Kugellager 7 x 19 x 6 mm
3X 3x1mm neodymium magnets
Board created after "Circuit-board-Submission-Split-Flap-Clock"
Total: ~15€
Filament (preferably at least two colours)
Tools:
Tweezers
drill (to make neat)
glue
The author remixed this model.
I changed a lot of small things because a few things were incomplete or wrong. But also remodelled so that you can print them 3-D. Help and comments have also been added.