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  • BBC Sky at Night

    DIY ASTRONOMY

    Dec 16, 2021 3 minutes

    Build a roll-off roof garden observatory

    Install a low-voltage electrical system and make your setup solar powered

    This final part of our series covers how to take a roll-off roof (ROR) observatory ‘off grid’ with solar power, and make a power distribution box for the equipment inside.

    By using solar power we can keep everything to a nominal 12V, so there is no electric shock hazard, but there is still the potential for an electrical short circuit to cause overheating and a possible fire. Always have your circuitry checked

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