Oh... and be careful, measure stuff first to make sure they don't have
pull-up resistors, etc.. If the BBB I/O ever sees 5v you WILL fry it. Ask
me how I know...
On Tuesday, February 27, 2018 at 2:51:44 PM UTC-5, Daren Schwenke wrote:
>
> It looks like they use the optocouplers for inputs and
It looks like they use the optocouplers for inputs and possibly a level
converter/buffer/inverting buffer for outputs.
Find a good picture of the chip tops and look them up. That picture is not
quite good enough.
It will probably work fine. Some old laptop parallel ports I've stolen
buffer c
Hi All,
Does anyone do this?
Thanks
Richard
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