These days it’s fairly easy to procure a split flap display, at a price. Originally used for boarding times and digital clocks, the quirky display’s are full of retro charm, clacking through their alphanumeric digits until they arrive at the message. A quick search and you can find a electro-mechanical display for (gulp) $3,500.
In true maker fashion Adam G Makes opted to go his own way. Why spend hard earned cash on something when you can poor your heart, sweat, time (annnnnd a good chunk of money) into it? Adam found a comparable display for sale for $1000 and spent $850 on all his components. Really nice build using a Raspberry Pi, custom circuits, stepper motors and Hall effect sensors.
Based on:
Printable Split Flap by Morgan Manley: https://www.instructables.com/Split-Flap-Display-3D-Printed-Modular-Compact-Encl/
Split Flap Project by Scott Bezek: https://github.com/scottbez1/splitflap
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