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  1. nhungr

    How to amplify a voltage?

    Aha, yes, that makes sense. Thanks.
  2. nhungr

    How to amplify a voltage?

    Great thanks for the suggestions. I've continued dabbling and found that I hadn't put together my transistor solution. The following attached circuit now works, although there's still a 1V drop when I connect the output to the controller, but this time from 5V to 4V, so that works for me...
  3. nhungr

    How to amplify a voltage?

    Hello, I have a hall effect sensor that emits a 4mV pulse when a magnet comes into range. I need to plug the sensor's output into a motor's motion controller as a home position sensor for the motor. The motion controller, however, expects a 0 to 5V signal. So I need to amplify the 4mV signal...
  4. nhungr

    Choice of Motion Controller for ultrasonic motors

    My questions to ACCES: - is it possible to control each I/O pin separately through your API software, rather than in groups of 8 or all at once? - I need to read pulses from several incremental rotary encoders mounted to motors, at 1.25 kHz. Is this possible with this I/O card...
  5. nhungr

    Choice of Motion Controller for ultrasonic motors

    I'm still deciding, in fact. Finding an inexpensive 5+ axis controller is not an easy task. I've explored the possibility of using two Phidget 0/16/16 interface kits (www.phidget.com), but their update rate is too slow for the encoders. A potential solution would be to hook the encoder pins...
  6. nhungr

    Choice of Motion Controller for ultrasonic motors

    Hello, I have recently purchased 5 Shinsei Ultrasonic Motors (USR60-E2N: http://www.shinsei-motor.com/English/index.html) along with their respective drivers. I need to be able to run all 5 motors from a single PC through a USB or serial connection. Would anyone be able to recommend a minimum...

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