Reply to "HELP Seiko S129 / S149 data output jack"

lucgMember

Nope, not a flaky connection. I was getting the same thing with the Parallax and PICAXE as well. I changed my logic to only start reading on a value higher than 9 (looking for an A,B,C,D) before I read the other bits.

I suspect that there is other data on the bus most of the time and the printer/port data is only relevant when the busy signal is active. Initialy I thought that I could write some logic to ignore the busy signal but maybe not. So yes I believe it is to do with the handshaking for the output.

The funny part is that the busy signal sits at 1.5 volts most of the time and then goes high and then low, or low then high,can't really remember right now. But I think understanding and reading the busy signal is the clue. I haven't tried it recently but will try it again in the next few days.

Luc..

4/25/071:14 PM

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