View single post by Helmut
 Posted: Sat Mar 16th, 2019 02:53 pm
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Joined: Sun Feb 17th, 2013
Location: Friedberg, Germany
Posts: 1154
that thing needs power off a 16V AC wallwart/transformer. Operation seems to depend on having two ( positive and negative ) half-waves. A nowadays standard wallwart delivers filtered DC, so that may be the explanation.

Regards, H.
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