We can never get enough interesting clock projects, and this latest example by Instructables member dragonator is a great example of what can be done with some imagination and a 3D printer.
They have created an analogue clock that, quite simply, has the minutes hand extended from the tip of the hours hand - which is also the centre of rotation for the minutes. Watch the video below for an accelerated demonstration:
The clock itself involves an Arduino-controlled stepper motor which turns the hours hand, and a series of gears inside the hours hand which then turn the minutes hand. Ingenious. And thanks to the creator open-sourcing the entire project, you can make one too. To get started, visit the clock's Instructable page. And for more, we're on facebook, twitter and Google+, so follow us for news and product updates as well.
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Apart from being one of the smallest Arduino-compatibles on the market with USB, it also has an onboard RGB LED and piezo which can be used a knock sensor and various tune and sound effects. Plus you can add extra circuitry with the matching protostick! For more information and to order, click here.