The four displays are controlled by a single controller board, which houses an NXP K22FN512 microcontroller along with four stepper drivers and interfaces for the Hall-effect sensors needed to ...

Posted in Arduino Hacks, clock hacks Tagged arduino nano, clock, hall effect sensor, magnets, split-flap display, stepper motor Simple Magnetic Levitator February 10, 2024 by Al Williams 9 Comments ...