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#badass Online Film Festival
Documents #badass Woman Project Entry - Amy Worrall
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  • Author Author: kellyhensen
  • Date Created: 30 Apr 2020 5:10 PM Date Created
  • Last Updated Last Updated: 19 May 2020 4:16 PM
  • Views 3052 views
  • Likes 20 likes
  • Comments 16 comments
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#badass Woman Project Entry - Amy Worrall

Name: Amy Worrall

Current home town:  Coventry, United Kingdom

Did you attend university?  University of Warwick, B.Sc. (hons) Psychology

Current Job: Software engineer

Your favorite electronics projects from element14 presents or youtube :

Commander X16 (The 8-Bit Guy): https://www.youtube.com/watch?v=sg-6Cjzzg8s

 

Your project:

I reverse engineered a USB device in order to make a clone of it using a Teensy.

I wanted to use an expensive theatre lighting controller, but couldn't afford it. So I hired one for a weekend, packet sniffed the USB protocol, and made my Teensy spoof the original device so that the official software would talk to it.

In the video I've tried to explain a bit about how USB works, as well as show the complete process I went through to clone the device. Hopefully this is something a little different, but still of interest to the Element14 core audience!

 

Links or files that support your project?

Will provide code on request. I've got some stuff on GitHub at the moment but it needs tidying up before I'm happy to publicise it!

 

Your Project video:

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Top Comments

  • davedarko
    davedarko over 5 years ago +3
    That intro was a great teaser for the project and is on point with the humor of the other VCPs Fun to watch, pacing is great - even though I've never done something like that and might not have understood…
  • amyworrall
    amyworrall over 5 years ago in reply to a531016 +3
    The difference is that I run ETC Nomad on my laptop. Apart from the fact I only have a license for up to 1024 channels (which is more than I need anyway), it's the same software that runs on all of ETC…
  • KalebTheMaker
    KalebTheMaker over 5 years ago +1
    Well done! Extremely detailed in a specialized field. I did some lighting and sound for theater waaay back in what seems a different lifetime, but it was nowhere near that sophisticated, DMX was the only…
  • beacon_dave
    beacon_dave 6 months ago in reply to Juliaaan

    Could this be it ?

    https://github.com/amyworrall/eos-playground/tree/master/encoders-follow-eos

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  • Juliaaan
    Juliaaan 7 months ago

    Hi there, are you still online? I have nearly the same project going on right now. Would it be possible to send me the code for the teensy? 

    Greets, Julian

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  • Mj_Conry
    Mj_Conry over 3 years ago

    This is so helpful. Thankyou so much. Any chance you could provide the arduino code ? 

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  • fracjackmac
    fracjackmac over 5 years ago

    Hi Amy,

     

    Thanks for the great tutorial!!  I liked following along as you broke down the steps needed to hack together a working clone.

     

    If only I had some spare time to investigate further, but my time is spent working in those networks that were briefly mentioned, and I do find the odd occasion to engage the assistance of Wireshark.

     

    Happy Hacking!!    :-)

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  • ralphjy
    ralphjy over 5 years ago

    Excellent job of reverse engineering and recycling of hardware.

     

    I love WireShark but have never used the USB capture option even though I have it installed.  I may have been inspired to try it image.

     

    Great job on the demo video!

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  • rocits
    rocits over 5 years ago

    Wireshark makes a powerful device debugging tool, very interesting & a cool little puzzle to solve, nice one!

     

    I added you to a YouTube playlist here to keep track of channels/videos: https://www.youtube.com/watch?v=CFDZhLtOt5g&list=PLUqSARZt5KdEc90IqY_D4yOoR3qGEeSMC&index=2&t=0s

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  • dnt
    dnt over 5 years ago

    Really enjoyed the video. Such attention to detail.

    Denis

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  • cstanton
    cstanton over 5 years ago

    Hm, I've been wanting to do something similar to this for PS4 controllers, since they're irritating to mimic/create custom controllers of. Nice.

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  • amyworrall
    amyworrall over 5 years ago in reply to a531016

    The difference is that I run ETC Nomad on my laptop. Apart from the fact I only have a license for up to 1024 channels (which is more than I need anyway), it's the same software that runs on all of ETC's consoles, even the high end ones.

     

    I've spent years learning ETC's software, and I've gotten quite quick at programming a show with it. When we're in the theatre, the amount of time I can spend on lighting is limited, and I have to do a lot of things (setting up, focussing, going through cues with the director) as well as programming the individual looks. The show gets programmed in advance, into a show file with cue numbers, it handles the transition times between states, it can do various effects, and it lets you make changes on the fly if a critical situation arises during the show then go back to the pre-programmed state.

     

    While I have in the past ran shows where I was manually controlling everything (one fader per light, a script with a bunch of pencilled notes, and wishing I had twice as many hands as I do), I'm rather glad those days are behind us. It works well enough if you have a dozen lanterns. It works less well when you have a rig of 200, and some of them are motorised and have 25 parameters to control, and the director wants the flickering of a fire, a precisely timed lightning strike out of the window, plus some moody stuff with the ambient lighting when the protagonist slowly discovers the antagonist's true intentions…

     

    That's a long winded way of saying, I'd love the challenge of writing my own lighting software to output DMX, but it'd take me years before I trusted it to run a show as quickly and reliably as ETC Nomad.

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  • a531016
    a531016 over 5 years ago

    Cool project, you clearly put a lot of thought into this one (also, Firefly board game (Go Browncoats)), and great presentation!

    How does emulating the ETC equipment compare with creating a cutom solution that impliments the DMX protocol directly?


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