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Submersible Build Log

This is the second time I made the light controller unit.  I initially made it and tested it temporarily all ok.  But, when I fitted it up properly, I was rushing and accidentally soldered the main power bullet connectors around the wrong way.  In my haste to get it assembled and done, I didnt check and when I switched them on, it frazzled the controllers.  It did blow the fuse but I had a “temporary” 50amp fuse in and they must be so sensitive that they were ruined.  Got some more and did it again.  Second time I was super careful.  Stupid mistake I know.  There must be a lesson there.

Top picture is in the dark with the only light coming in from the external lights.  Bottom picture is with the flash on so you can see the controller box mounted properly.