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New York, 9:38 AM
Sat Dec 5
77 posts in the last 24 hours

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  • posts about #automaticdartgun more →

    How To Hack a Nerf Vulcan to Fire 500 Rounds a Minute
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    Dsmvwl  Admin  Promote to frontpage Approve user Ban user ×
    Image of D.E.P.C. D.E.P.C.
    12/22/08

    In reply to How To Hack a Nerf Vulcan to Fire 500 Rounds a Minute
    Finally, something worth building over my Christmas break.
     Reply
    D.E.P.C. was starred D.E.P.C. was unstarred
    Image of nutbastard nutbastard
    12/22/08

    @D.E.P.C.: @Corwin Loreman:


    aha!


    "Seven-segment LED displays were in widespread use in the 1970s and 1980s, but increasing use of liquid crystal displays, with their lower power consumption and greater display flexibility, has reduced the popularity of numeric and alphanumeric LED displays."


    so in all likelihood, this IS a LCD

     Reply
    nutbastard was starred nutbastard was unstarred
    Image of nutbastard nutbastard
    12/22/08

    In reply to How To Hack a Nerf Vulcan to Fire 500 Rounds a Minute
    LCD round counter not LED. even THEY got it wrong. (although, for ambiguity, the backlighting is probably LEDs)
     Reply
    nutbastard was starred nutbastard was unstarred
    Image of jkr's bold comment jkr's bold comment
    12/22/08

    @nutbastard: Don't blame me i voted for Ron Paul edition: Are you real sure about that correction? A quick google search for "LED counter" pops up a lot of valid links.


    Here's a wiki link for alphanumeric LED displays [en.wikipedia.org]

     Reply
    jkr's bold comment was starred jkr's bold comment was unstarred
    Image of Corwin Loreman Corwin Loreman
    12/22/08

    @nutbastard: Don't blame me i voted for Ron Paul edition:


    That is actually an LED display. Each segment of the numbers are lit by an LED. They are called 7 segment LED displays. An LCD display would be a piece of glass or plastic with black digits backlit in some way.

     Reply
    Corwin Loreman was starred Corwin Loreman was unstarred
    Image of nutbastard nutbastard
    12/22/08

    @Corwin Loreman:


    hmmm im not convinced - are they using light pipes to illuminate the segments? LEDs are pretty diffuse... im confused...

     Reply
    nutbastard was starred nutbastard was unstarred
    Image of nutbastard nutbastard
    12/22/08

    @jkr's bold comment:


    as further evidence, the specs for the counter they specify are:


    - Power supply : 12VDC. -

    consumption : 76mA max.

    - Count maximum : 0-9,999

    - Can set the circuit for count up or count down.

    - Can set the preset digit for setting reset digit and restart counting automatically.

    - Can add the other board for adding digits.

    - PCB dimensions : 2.70 x 3.14 inches.


    notice the 12 volt supply - LEDs use 5V while many common (think alarm clock) LCDs use 12v - no point in having to step that down on the PCB, so im still leaning towards LCD.

     Reply
    nutbastard was starred nutbastard was unstarred
    Image of ripfire ripfire
    12/22/08

    @nutbastard: Don't blame me i voted for Ron Paul edition: Yeah. Typical 7-segment displays.
     Reply
    ripfire was starred ripfire was unstarred
    Image of rcast1986 rcast1986
    12/22/08

    In reply to How To Hack a Nerf Vulcan to Fire 500 Rounds a Minute
    "Ours partially melted". Seriously? Or is it a scare tactic to avoid lawsuits?
     Reply
    rcast1986 was starred rcast1986 was unstarred
    Image of Maltodextrin Maltodextrin
    12/22/08

    @rcast1986: I believe it. The same thing will happen in Airsoft guns if you run it with too large a battery. The current ends up frying/melting the wires and other electronic bits, which, in turn, may end up causing damage to the frame, if the wires get hot enough.


    Or, alternatively, the increased strain could have simply caused the gears to strip and melt.


    Lots of bad things can happen to electronics when you run too much current through them. On the other hand, while they do run they tend to be at least three times as awesome.

     Reply
    Maltodextrin was starred Maltodextrin was unstarred
    Image of GitEmSteveDave_HatesFriday GitEmSteveDave_HatesFriday
    12/22/08

    In reply to How To Hack a Nerf Vulcan to Fire 500 Rounds a Minute
    What would 500 rounds cost?
     Reply
    GitEmSteveDave_HatesFriday was starred GitEmSteveDave_HatesFriday was unstarred
    Image of Kaiser-Machead Kaiser-Machead
    12/22/08

    In reply to How To Hack a Nerf Vulcan to Fire 500 Rounds a Minute
    I've never wanted a Nerf gun so much in my entire life.
     Reply
    Kaiser-Machead was starred Kaiser-Machead was unstarred
    Image of macegr macegr
    12/22/08

    In reply to How To Hack a Nerf Vulcan to Fire 500 Rounds a Minute
    Ohhhh...this, combined with the 50-round belt mod I already did...I'll be unstoppable. At least until the gears strip out and the motor burns.
     Reply
    macegr was starred macegr was unstarred
    Image of Purple Dave Purple Dave
    12/22/08

    @macegr:
    Or after six seconds, at which point you'd be out of ammo.
     Reply
    Purple Dave was starred Purple Dave was unstarred
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