So it’s no surprise we were stoked to come across this awesome build from maker Alex Chang.
I always thought these old timey split flap displays looked really cool so I set out to build my own keeping things as simple as possible. The flaps home themselves using a latch, so no hall sensors or limit switches are needed. And each motor is controlled by a A4988 stepper driver so each additional module only takes up one pin on the Arduino!
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