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Thread: MR FX sound modules schematics and discussions

  1. #21

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    Today, I got a MR Mace Windu board in an auction. It looks pretty much identical to the 2005 Luke board.

    A have a couple of questions. How many mA does this board output?

    I assume it's less than the 1000mA. In that case, can I use a 1000mA BuckPuck with the board?

    I intend to run it off 4.8V battery pack.

    Would this work?



    Sorry if this has been asked before. I did look, but I didn't find any wiring diagram that shows how to properly wire a BuckPuck to a MR or Hasbro board.
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  2. #22
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    The board does the job of a 1000mA buckpuck. Just run it right off the board.
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  3. #23
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    okay quick question... i have a vader board.... i know how to wire it an all but i dont have a multimeter so i dont know the volts and amps it puts out when driven by 6 volts (4AA) and i am wanting to wire a small green 5mm LED to the main LED leads. does anybody know this? thanks

  4. #24

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    Quote Originally Posted by DJMoonbass View Post
    okay quick question... i have a vader board.... i know how to wire it an all but i dont have a multimeter so i dont know the volts and amps it puts out when driven by 6 volts (4AA) and i am wanting to wire a small green 5mm LED to the main LED leads. does anybody know this? thanks
    Use the "Resistor Chart" to find the right resistors, but I'm guessing you will want a 2.2-Ohm, 5-Watt resistor for the main 3-Watt LED, and a 220-Ohm, 1/4-Watt resistor for the accent LED. Just be sure to hooks the LEDs up in parallel, not in series.
    Last edited by Matt Thorn; 10-16-2009 at 06:46 AM.
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  5. #25
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    It also depends on the main LED you use. I usually drive Blue and green CREE LEDs straight off of the board. They are rated at 1000 mA and most of the MRs I use with 4 AAA (6V) is around 1200mA which is overdriving them just a bit. You definitely need a resistor for your accent LEDs.

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  6. #26
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    im using a force fx Vader ESB board. i called you about it today rhyen. what i want to know is how many volts are coming out of the other end of that vader board. i got that its 1200mah. but no volts. lol

  7. #27

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    Quote Originally Posted by DJMoonbass View Post
    im using a force fx Vader ESB board. i called you about it today rhyen. what i want to know is how many volts are coming out of the other end of that vader board. i got that its 1200mah. but no volts. lol
    the voltage will be about 6 volts. I usually use a 1/4 watt, 220 ohm resistor for accent led's on an MR board with a 6 volt power supply.

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  8. #28
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    Better yet, DJ needs to invest in a multimeter and learn about metering for current, voltage, and all kinds of good stuff.

    Also... FYI, DJ... "mAh" and "mA" are *NOT* the same thing.

    For any other n00bz reading:

    * Batteries that read "1200mAh" (or xxxxxmAh) ... do NOT equate with "1200mA". The "mAh" value has very little reflection on what the cells are capable of outputting current-wise.

    If you think about it--it makes sense. 10 miles is NOT the same as 10 miles per hour.
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  9. #29

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    Quote Originally Posted by Novastar View Post
    If you think about it--it makes sense. 10 miles is NOT the same as 10 miles per hour.
    one of the best ways Ive seen it put..

    you should re-cycle that analogy for later use.

  10. #30

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    Quote Originally Posted by Lord Maul View Post
    The board does the job of a 1000mA buckpuck. Just run it right off the board.
    What if I wanted to use a white Seoul P4 LED (Forward Voltage: 3.25V)?
    I would need a 1.5 Ohm 5 Watt resistor in that case, wouldn't I?
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