Recent content by adrobnis

  1. adrobnis

    Designing a computer based voltmeter

    Good Afternoon, I am not sure I understand your question. If you are talking about computer resolution - 640x480, 800x600, or 1024x768 is fine. Would that make a difference? If you are speaking of something else, please elaborate.
  2. adrobnis

    Designing a computer based voltmeter

    Thank you. The K8048 also looks interesting w/ a max input of 20V/40mA on the digital input side. But, that begs the question - what is the difference between an analog signal and a digital signal when it comes to measuring voltage? Being the "newbie" I have no clue, however; I would guess...
  3. adrobnis

    Designing a computer based voltmeter

    Thank you both for the information. I read the information on the ADC but I do not fully understand the process. Programming the picmicro seems easy enough, but wiring it, knowing what resistance to use, etc., I have not completed figured out. Can you suggest a location to learn more...
  4. adrobnis

    Designing a computer based voltmeter

    I would like to monitor multiple voltage signals at the same time through the parallel, serial or usb port. The signals can be monitored on a rotating basis based on the speed of switching from one line to the other, however; I am not familiar with how to read the voltage. For example, I want...
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