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  1. R

    Correct hall effect switch usage

    Hello all. I had a quick question. I have a 4510 counter I made that uses a button and Schmitt trigger to count. What I am hoping to do is replace the button and trigger with a OH090U HALL EFFECT switch (has an internal schmitt trigger) but can't seem to get it to work. The counter works with...
  2. R

    Power Supply and battery life

    Ok, to start I would like to mention that I am VERY new to building circuits. Now that that is out of the way, I have some questions for anyone interested. I am planning on building the step counter project http://www.electronics-lab.com/projects/misc/007/ My first question is how can you...
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