i spent what felt like a life time one year wondering and checking and double checking why one prop just didn't look or work right
as it happens it was the last prop on that port and the prop before it had the wrong number of pixels entered 😕
worth a check
you could try put it through MP3Gain which may clean the file up ... i put all audio file through this to level the sound the same across all
nothing worse than thinking you've set the volume spot to only find you have a really loud mp3
i would assume this is the one your after although please double assuming can be the mother of all ......
https://vamp-plugins.org/plugin-doc/qm-vamp-plugins.html
rare earth magnets would work and work well, just remember most are very cheap and the coating will come off and rust after a year or so (rust marks wouldn't look good)
BUT what will work nicely is Suction Cups ... used a lot on building site now to hold sheets of 6mm coro to windows/ doors/...
they are a huge rabbit hole !!
i use node-red for automation around the house for house assistant and had a very large flow for heating ... checking room temps / weather / someone home or not / whos in bed bla bla bla
asked the question it was worth turn this into a repository for HA
came back...
not sure it will help but maybe a little advice from someone who been down this road and messed it up badly
get maybe ten seeds power them up and get them working right
tape them down to the bench or some cardboard
spread the wires and write down beside each wire what it is data, +, -
also...
not sure id waste my time or money unless you have a greater use for a pipe bender
I would just go to your local car exhaust or engineering workshop and ask them to "ROLL" up a full circle in the diameter you want
please be care full you "do not" want them to bend you a circle you want them to...
😄 yeah it would appear it's a big know know
i do have a megatree with double power supplies very similar to that
maybe my only saving grace i ran a fan on the inlet and a second fan on the outlet 24/7