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A single stepper motor drives this mechanical seven-segment show clock
Arduino Staff — March eighth, 2024
It’s wonderful how a lot technological progress humanity has achieved over the previous few centuries. However whereas {our capability} with electronics has shot forward, it appears that evidently we’ve nearly regressed on the subject of mechanical and electromechanical design. Watches and clocks are nice examples of this, as pre-digital craftsmen have been able to astonishing feats which might be nonetheless spectacular as we speak. However some persons are preserving these traditions alive, as evidenced by this mechanical seven-segment show clock pushed by a single stepper motor.
This clock is really a murals. It reveals the time throughout six digits, every of which is a seven-segment show. However these aren’t segments lit by LEDs, they’re bodily items of plastic. A posh collection of gears flips them out and in within the applicable sequence to show the numeric characters. That may be very spectacular when you think about that the segments don’t actuate in an order that correlates with the numerical worth — the quantity 4 isn’t merely turning “on” another phase than the quantity 3. Besides, the clock progresses by the numbers so as.
That’s solely doable due to the genius mechanical design of the clock. Additional rising the marvel is the truth that the clock and all of its elements have been 3D-printed — no precision machining obligatory. An Arduino Nano board controls the stepper motor that drives the entire collection of gears. That ensures that the motor turns at a relentless fee, which is required to maintain correct time.
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