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Recent content by jerrypoo

  1. J

    How to detect electric motor slowing down?

    Sorry, my articulation is not good :) I have done a whole lot of all kind of small - and simple - electronics. What I'm really unconfortable is this analogic, transistor and op-amp stuff... In theory I could maybe get something to work but to be honest, in this real world, I think I save one or...
  2. J

    How to detect electric motor slowing down?

    Yeah, that is my plan (look above) but do you have any idea how to do that? I'm really not good at all with the details :( Have anyone seen ready made plans?
  3. J

    How to detect electric motor slowing down?

    Yeah, that is the idea. But is there any ready (and working) designs around? Even if I undestand this sh*t I'm not good at all to design and build up the prototype :( (The led or hall sensor is a good idea but unfortunatelly not possible to use in this application.) Any ideas of how to design...
  4. J

    How to detect electric motor slowing down?

    That is is a good idea and I'm propably trying that. However, I'm trying to develop a system where I have several small DC motors running. Each one can be separately stopped by slowing them down enough. The plan is that I get a signal from each when they're on/off. Something like this ->...
  5. J

    How to detect electric motor slowing down?

    Hello all! I try to build a simple system that cuts off the power from an electric motor (small, DC motor) when there is too much resistance/work/friction ... I guss the idea is to put a small resistor and that way measure the electric current. The best would be to use a relay, that would...

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