record current on PC

Discussion in 'General Electronics Chat' started by ajitkolhatkar, Jun 22, 2011.

  1. ajitkolhatkar

    Thread Starter New Member

    Jun 22, 2011
    I am looking for a device using which I can record / save variations in current on PC. Current is in few mili amps.
  2. Robin Mitchell

    Well-Known Member

    Oct 25, 2009
    There is free oscilloscope software that you connect your probes to the sound card. Im sure they can do current!
  3. t_n_k

    AAC Fanatic!

    Mar 6, 2009
    You can also buy USB style data loggers. You would need to build an electronic interface to convert the current of interest to a voltage signal. If the current of interest is in the 4-20mA range you can actually buy USB loggers specifically for that range.
  4. Jimmeh30

    New Member

    Mar 4, 2011
    Have you concidered using a shunt restistor with a voltage controlled oscillator for a signal, then simply recording it with either sound card scope software or similar? depending on how accurate you need to be, a wave file might give enough of an indication.