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#4
02-13-2008, 11:50 PM
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I did find one schematic so far for a ph probe. The output from the circuit is 0-140mv which corresponds to the ph value. No link to the probe used though.
http://damien.douxchamps.net/elec/ph_meter/ Assembly language! I haven't used that in more than 20 years. I do remember it was fun once I figured out the codes etc. That was for the 8085 microprocessor. Time to start reading! 
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