Is the triangle within a square symbol some sort of odd representation of
a
transistor? And the "arrow thing" that feeds them? Ideas?
Help!
Thanks,
--
DaveC
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I believe you will find "the arrow thing" will be an astable multivibrator.
I suspect the following stage are time delay relays modules. Note they are
controlled by 24 VDC yet they are controlling AC... after all, you need AC
to run a transformer.