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    tellis

    @tellis

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    Best posts made by tellis

    • RE: Impedance Spectroscopy and Manual Control Sampling Rate

      Most of the tasty stuff for impedance spectroscopy occurs above 500Hz sin waves. so you're pretty much not gonna have much luck with the sampling limited to 2kHz. Especially determining phase shift. I do wonder if we can do saw tooth or square wave excitation, to get at least an impedance. 1kHz impedance measurement (with out phase determination) is quite useful for battery testing.

      posted in Rodeostat potentiostat
      T
      tellis

    Latest posts made by tellis

    • RE: Impedance Spectroscopy and Manual Control Sampling Rate

      Most of the tasty stuff for impedance spectroscopy occurs above 500Hz sin waves. so you're pretty much not gonna have much luck with the sampling limited to 2kHz. Especially determining phase shift. I do wonder if we can do saw tooth or square wave excitation, to get at least an impedance. 1kHz impedance measurement (with out phase determination) is quite useful for battery testing.

      posted in Rodeostat potentiostat
      T
      tellis
    • RE: Increasing current ranges to detect mA

      Worked like a charm. You're a gem, thanks so much.

      posted in Rodeostat potentiostat
      T
      tellis
    • RE: Increasing current ranges to detect mA

      @Will-Dickson Hi, trying to do the same thing. Replaced the R8 with a 22 Ohm resistor. Having difficulty finding the changes necessary in the firmware files though. Recon you point me to lines which need changing?

      posted in Rodeostat potentiostat
      T
      tellis