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    12V Lead Acid Battery Desulfator

    Recently I have been getting interested in desulfator pulsers. If you do not know what this is, the theory is that apparently 12V rechargeable lead acid batteries develop some sort of sulfate crystal...
  2. Re: Using wheelchair motors: Is there a solenoid???

    Excellent!

    Thank all for your replies! I wish I had waited for them, but instead decided to risk my ignorance and play with the motor. I was able to remove the brake, but to do this I literally...
  3. Using wheelchair motors: Is there a solenoid???

    Hi Group,

    Very excited that for the first time got my humongous motors with gear heads and wheels attached. Obviously, this was only possible thanks to the fact that old wheelchairs are pretty...
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    Re: Avayan's R2D2 Last Walk

    I think my next robot will be a platform to kill wasps. I am just frigging tired of them and I am a big coward, so getting stung is not what I have in mind to enjoy my day. Looks like the perfect...
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    Avayan's R2D2 Last Walk

    Hi Group,

    I have finished filming my R2D2 video depicting the 14 years I invested on this project. R2D2 has it's last accident last week and I am just not in the mood of repairing it anymore as...
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    Question(s) Re: Servos or Steppers?

    Very nicely put! What I meant about the gear reduction is that Servos already come with internal gear reduction and adding more does not seem reasonable. At least not to me. You are right, though....
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    Question(s) Re: Servos or Steppers?

    Allow me to step in, in favor of steppers. Don't take me wrong. RC Servos are cool, but steppers do not need to be as scary as they usually are.

    The first thing you need is an easy to use stepper...
  8. Thread: Water Gun

    by avayan
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    15,885

    Re: Water Gun

    I can see that you have solved the problem already. MEGA AWESOME!!!!!
  9. Thread: Water Gun

    by avayan
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    Re: Water Gun

    But what are you trying to do? Is it a dinky little water flow like on a squirting gun, or do you want to clean your driveway?

    If it is squirting, I remember there was this toy like water pump I...
  10. Thread: IO pins

    by avayan
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    Re: IO pins

    That should be rather easy to do, but it seems to be pretty specialized for any off the shelf controller. You will need to do some programming, is what I am trying to get at. Per example:

    1. What...
  11. Thread: RoboGames 2009

    by avayan
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    Re: RoboGames 2009

    Hi All,

    Take a look at my Robo Games video with some of the deadly blows/smoke/fire as witnessed on Friday June 12, 2009. I wish I had been present during the other two days but I had to return...
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    Question(s) Re: Connecting to PC

    Darn! A few years ago I did a pretty big application I called Super Stepper that basically allowed the communications from the PC and to up to 32 microcontroller devices doing stuff such as stepper,...
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    Sticky: Re: Introduce yourself!

    Hi All,

    Great to join the Trossen Robotics group! Have heard great things about this forum and the great community behind it all. I am an electric engineer working as an application engineer at...
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