Originally posted by ivconic
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just read your message: about schematic I think it's almost accurate in last version we check it... in RH thread. I say that cause I saw device working under test conditions for everything but accurate iron rejection... that's the well known far iron detection I wrote about many times.
I think now, more than ever before, that probably major fault of my homemade was at coil: I tryed to replicate right one for RH but probably failed at right phase shifting for it.
That's my idea, not that schematic is involved much in those troubles.
Also, there's also to consider there are some trimpots to adjust there and so far not everything was clear about them.
I cannot be totally sure that problem is just at coil, but many things let me think that coil is the really critical piece of RH puzzle.
A new PCB ? that's an idea! Would be nice... also for people having troubles with through hole version. But you must also consider that will require lot of time if you'll jump-in in RH project... cause it's truly one of the most complicate seen here...

Kind regards,
Max
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