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How to Make Mechanical 7 Segment Display from Cardboard

Check out how to create a unique Mechanical 7 Segment Display using cardboard! In this video, we unveil a one-of-a-kind ...
Hackaday

Mechanical 7-Segment Display Combines Servos And Lego

If you need a seven-segment display for a project, you could just grab some LED units off the shelf. Or you could build something big and electromechanical out of Lego. That’s precisely what [upir] ...