>         I searched everywhere I could thing of and did not find John's code
> or yours :-( Could you post some reference to it or repost the code ? It is
> a very interesting technique and I would love to see how you approached the
> "clock recovery".. I use bit-bang a lot for serial comms but never thought
> about using a bit buffer to make a better decision about the timing...

I'd be interested too.   I've used a single pin with my "pong" routine
(Ping just blips a bit N times) to output multiple bytes in
wide-narrow form, such that for any combination of timings, the byte
is the same length.  Helps enormously when you're capturing say 50
bytes of data on the scope.
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