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Audacity Puppy Cam combo

A couple of videos back some feedback on my YT channel requested info on post production of video and audio to remove annoying background "white" noise such as fans etc from my vids.

The resulting explanation only went for a few minutes so for this video I have also stuck on some info about the puppy cam project which is an old Raspberry Pi 3B+ running some video software that lets me look at the puppies when we're out of the house.

The project has been fine so far, but I needed to "widen" the field of view and as well make the bodged 5V fan adjustable in a "crudimentary" way.