Controller Beta Testers Group Buy

Discussion in 'Group Buys' started by newhobby, Jan 6, 2010.

  1. newhobby

    newhobby Guest

    Hey Dave,

    10bit ADC
    My pH is analog circuit with very high impedance OP Amp to be able to read the pH probe.
    So I was wondering if ORP and salinity would work as well.
    But I need salinity and ORP probe to test... lol
    Any1 to volunteer to lend me for a couple weeks?

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