Thanks Damien. I built a box which is a mix of Diego's and what sounds like yours (but with a lower tech dew heater controller) and Roland's power supply module. It supplies 12V 5V and 8.7V for a camera.
But I started piggybacking USB wifi bluetooth modules onto it. Its all a mess now, dew gets into it. Not black dog, or rock'n'roll. More of a heartbreaker when it goes awol during a viewing session. I've got to get it all into one box somehow.
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