Various hardware pinouts.
Generic pinout legend:
.---\/---.
input -> | 01 08 | <- input
output <- | 02 07 | -> output
supply -- | 03 06 | ?? unknown functionality: could be an input, no connection, or a supply line
misc -- | 04 05 | <> bidirectional
'--------'
A signal labeled "NC" means "Not Connected."
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