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DIY: Clean Raspberry shutdown for RuneAudio

I made a second RuneAudio player this weekend.. The main difference, apart from the physical box, is power management. On my first setup, toggling the switch abruptly cuts power to the Raspberry, which can cause filesystem corruptions on the MicroSD card (and experience shows, in just ten days, that...

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My own homemade BB-8

After having seen the latest Star Wars movie, I, like numerous other geeks, fell in awe with the BB-8 droid, and, like numerous other geeks, I wanted to try and build one. So, I started by getting a 300mm plastic ball and another of 180mm diameter (which was more...

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How to add the ATV4 orbit data to Stellarium

(English version – see also French version) ESA’s ATV-4 Albert Einstein was successfully launched yesterday and is now orbiting Earth for nine days prior to its automated rendez-vous with the International Space Station. As for each satellite, it has TLE (Two-Line element) data publically available and it can be...

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