NASA engineers who work on the International Space Station have built a Raspberry Pi-powered ISS Mimic, a 1% scale model of the International Space Station. It’s a 3D printed and has solar arrays, 12 motors and thermal radiators, all fed by live data from the ISS. Here’s more from Raspberry Pi Blog:
As you may have guessed, a Raspberry Pi is the brain of the business. Raspberry Pi taps into NASA’s public ISS live data stream to parse the telemetry into the bits we want. There’s JavaScript and tons of Python, including Kivy for the graphics.
The user can also touchscreen-activate the physical model, in which case Raspberry Pi sends the telemetry along to Arduinos, which in turn command motors in the model to do their thing, rotating the solar panels and thermal radiators to the proper angle. The solar panel joints use compact geared DC motors with Hall-effect sensors for feedback. The sensor signals are sent back down to the Arduino, which keeps track of the position of each joint compared to ISS telemetry, and updates motor command accordingly to stay in sync.
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