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This mechanical clock tells time using steel balls

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This mechanical clock tells time using steel balls

Arduino TeamOctober 11th, 2020

There’s certainly no shortage of DIY clocks in the Arduino community; however, Eric Nguyen has come up with a rather unique way of showing hours and minutes: steel balls arranged as seven-segment displays.

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For each time change, the face rotates down and a tray of arranged balls is lifted up to meet it via a servo motor assembly. Inside, a series of 28 servos capture and release the balls using magnet and linkage systems, plus another for the colon.

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The device is powered by a Nano along with an RTC module for accurate timekeeping, and two PCA9685 driver boards control the motors directly.

As illustrated in the videos below, it’s an incredible build from a mechanical standpoint. Making it even more impressive, this is actually Nguyen’s first Arduino project!

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Website: LINK

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Written by Quad Oner

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