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allows you to interact with all your printers via the Cloud, and many other exciting new features.
Stuart Young (Australian maker, based in Melbourne) made the base and motor, here's what he said:
FWIW: The drive motor in the box is a Nema 17 stepper motor driven by a Pololu A4988 stepper driver. The stepper driver is controlled by a +Freetronics Eleven (Arduino Uno clone), using the Step/Dir/Enable pins on the driver and a very simple custom sketch to control the rotation speed. The stepper driver is mounted on a protoshield, plugged into the top of the Eleven, so there are no other components. It all runs off a 12V DC plugpack rated at 1.5A. The plugpack is a switch-mode one which works from 100-250VAC, so it should work in any country with the right adaptor on it (essential for +Henry Segerman's display purposes). If required, he can buy a suitable plugpack in the country of display if they won't allow the use of the existing plugpack, as 12VDC plugpacks are fairly common.
The stepper driver was chosen as finding a suitable DC motor that, even with a gearbox, drove the gear at a suitable speed was going to be tricky, and wouldn't allow a huge amount of speed adjustment. Also, many of those motors tend to scream and produce a lot of vibration, which is not suitable for a display.