Reply 20 of 42, by Oetker
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darry wrote on 2020-07-04, 19:01:Oetker wrote on 2020-07-04, 18:57:I bought a crappy one with moulded plastic shells. It contained a PCB but completely wrong resistors. Adding proper resistors to yours should work, you don't need an opto coupler for output and a buffer isn't necessary either.
I stand corrected . One should never underestimate the bottom feeders .
Oetker, was yours branded ?
No it wasn't. But I misunderstood, it's a generic plastic shell, not moulded.