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Hart protocol

Shove it into an Apple IIe game paddle port and record the sucker.

Worked like a champ to find the obscure Radio Shack temperature codes.

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Many thanks,

Don Lancaster
Synergetics   3860 West First Street  Box 809  Thatcher, AZ 85552
voice: (928)428-4073 email: don@tinaja.com

Please visit my GURU\'s LAIR web site at http://www.tinaja.com
Reply to
Don Lancaster
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Does anyone know where I can find out more about this without a major outlay? Our shop has several instruments that communicate with it, but the official keeper of the documentation,

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(a "non-profit" organization, har har) wants $775 for it. The hardware is trivial, just 1200 baud modem tones riding on a 4-20 mA current loop, and all we need is the basic syntax and a few commands.

Reply to
Palinurus

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