• A fidget spinning robot! Juni 22, 2017
    Fidget spinners are currently very popular, and if you get one you’ll certainly want to spin and spin, maybe thinking you’ll never put it down. Unfortunately, like Nikodem Bartnik, you’ll eventually get bored with this device. Perhaps setting it aside forever. However, as Bartnik puts it, “Spinner has to be spinned,” so he came up with […]
  • Arduino Uno-driven plotter uses rulers for arms Juni 21, 2017
    When you see a plastic ruler, you wouldn’t normally assume it was destined to become part of a CNC plotter. Maker “lingib,” however, realized their potential to be combined to form plotter arms, in this case actuated by two stepper motors. The resulting build can expand and contract the resulting shape, allowing a pen at […]
  • Face tracking with Arduino and Android Juni 20, 2017
    Computer vision has traditionally relied on an assortment of rather involved components. On the other hand, everything you need to do this complicated task is readily available on an Android phone. The clever setup seen in the video here uses a smartphone to capture and process images, then send out a signal over Bluetooth to tell […]
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