[EMS Discuss] Red Bull Meeting Saturday

Hovis Biddle EMAIL HIDDEN
Fri Apr 12 10:35:25 PDT 2013


Yep, that's the one. I loved that thing.
On Apr 12, 2013 10:30 AM, "Ellery Weber" <EMAIL HIDDEN> wrote:

> This?****
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> Harder to find in a quick search on google, also seems more expensive
> (30$-100$ instead of 5$-20$)****
>
> How many guns were you thinking of using?****
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> *From:* EMAIL HIDDEN [mailto:EMAIL HIDDEN] *On Behalf Of *Hovis
> Biddle
> *Sent:* Friday, April 12, 2013 10:28 AM
> *To:* Ellery Weber
> *Cc:* Rick Osgood; discuss; Benjamin Hallert
> *Subject:* Re: [EMS Discuss] Red Bull Meeting Saturday****
>
> ** **
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> I like that idea, but maybe we could find some of the big cannons? There
> will be more room inside, and so far the theme of this project seems to be
> "over the top", so....****
>
> On Apr 12, 2013 10:24 AM, "Ellery Weber" <EMAIL HIDDEN> wrote:**
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> Don’t know what you were wanting for the chassis of the gun, but something
> old school might be cool..****
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> http://www.amazon.com/LIGHT-ZAPPER-Controller-Nintendo-Entertainment-System/dp/B000PC3BPY
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> *From:* EMAIL HIDDEN [mailto:
> EMAIL HIDDEN] *On Behalf Of *Benjamin
> Hallert
> *Sent:* Friday, April 12, 2013 8:43 AM
> *To:* Rick Osgood
> *Cc:* discuss
> *Subject:* Re: [EMS Discuss] Red Bull Meeting Saturday****
>
>  ****
>
> Good point re walking off.  If its a Raspberry Pi in the gun, it would be
> tragic if it didn't play some sort of cool shooting sound file on trigger
> pull.  The sound hardware is there, it needs only a speaker.  ****
>
>  ****
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> Ooh, and a solenoid that fires for 'kick'!****
>
> - Ben****
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>  ****
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> On Fri, Apr 12, 2013 at 8:36 AM, Rick Osgood <EMAIL HIDDEN>
> wrote:****
>
> The wiimote idea is interesting and no one had thought of that last night.
>  I think Kassie is planning on looking into OpenCV today to see what kind
> of performance she can get with it on a RasPi.  For communications from the
> guns to the Bullduino, anything can go really.  Last night we had talked
> about using zigbee wireless modules or even just using a physical cable
> with serial or something going back and forth.  We were thinking it would
> be best to have the guns tethered anyway so drunk people don't try to walk
> off with them.  There are probably a lot of ways to do that though so I
> guess whoever is most interested in it can research the best way to do it.
> ****
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>  ****
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> On Fri, Apr 12, 2013 at 6:57 AM, Ben Hallert <EMAIL HIDDEN> wrote:****
>
> Regarding target acquisition from the guns, I have two areas of research
> to suggest:****
>
> 1. Wiimote - the Wiimote has a camera that can track up to four 'blobs' in
> hardware and can interface through I2C if I remember correctly; this could
> reduce the CPU requirement, especially if it's determining if the blob is
> centered.  Putting a scope on it might increase range and improve accuracy
> too.  ****
>
> 2. OpenCV is a vision library that may be able to assist as well if we
> want to go with webcams in general.  If we can illuminate the target
> locally with infrared (this would be part of the Wiimote strategy too) it
> could potentially cut down on false positives and help us make sure the gun
> is detecting that it's actually pointed directly at the target.****
>
> This is going to be great!  WiFi dongles in the guns, I assume, for
> range?  And an AP on the target for both guns to connect to?****
>
> Ben****
>
>
> ****
>
> - Ben****
>
>  ****
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> On Thu, Apr 11, 2013 at 10:41 PM, Rick Osgood <EMAIL HIDDEN>
> wrote:****
>
> After our meeting today we decided we should meet again this weekend to
> hopefully allow other people to get involved who couldn't make it tonight.
>  We were thinking Saturday morning at 10:00AM at the shop.  Hopefully that
> will work for some people who couldn't make it tonight.  At the meeting we
> want to plan out the design in more detail and also start distributing work
> out to people.  Now a re-cap of what we did tonight:****
>
>  ****
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> People present tonight: Rick, Kassie, Michelle, Cord, Marie, Taper, Hovis.
> ****
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>  ****
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> First we went through all the ideas to whittle them down.  Ultimately, we
> all came to the conclusion that we liked the "laser target shooting" idea
> the best, and it seemed like one of the more feasible ideas too.  Plus, it
> turns out that Kassie was already working on a similar idea for a game and
> has some circuits already working for her own game that we can use in this
> project to help the project move faster.****
>
>  ****
>
> Then we did some brainstorming to get some general ideas about how it
> could be designed and how it could work.  This got us all really excited
> for this idea so it seems like this is the one we would like to stick with.
>  Here's a general concept we worked up tonight as something to try:****
>
>  ****
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> ==========****
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> There will be two laser guns.  Each gun will have a RasPi inside with a
> camera.  The RasPi will do image processing to detect when the player is
> pointing the gun at the target and pulls the trigger.  It will then
> transmit hit/miss/etc to the Arduino in the target wall.  They will also
> have a laser inside so people can see where they are shooting and to add
> more LIGHT.****
>
>  ****
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> The target wall will be all lit up and controlled by the Arduino.  The
> targets will be rotating flat targets.  As a simple example, picture a
> playing card.  In it's normal state it will be sideways so you can't see
> either side in order to shoot it.  The target will randomly rotate 90
> degrees one way or the other to show one of the two faces.  One side is for
> one player to shoot, one side is for the other player.  When someone hits a
> target there will be a physical bell that dings.  We liked the idea of
> having things physically moving because it gives that feel of a classic
> carnival game and it's more interesting to look at.****
>
>  ****
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> The wall will be all lit up in LED strips. The color of the LEDs is
> determined somehow by whoever is in the lead.  So whoever is taking control
> of the points, takes control over more LEDs on the wall.****
>
>  ****
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> We want this whole thing built into a bicycle trailer so we can haul it
> around downtown and let people play it.****
>
>  ****
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> We also talked about making an overall theme of "cowboy robots" or
> something similar (geek meets vintage-arcade-shooter).****
>
>  ****
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> ============****
>
>  ****
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> We had a bunch of other ideas as icing on this cake but I won't mention
> them here because they aren't essential to the build.  Kassie has a bunch
> of free time tomorrow so she's already looking into using image recognition
> with the RasPi to see if it will even work for us.  If not, we'll have to
> do target sensing another way.  Taper is going to start looking into the
> RedBull arduino library to start getting a handle on that.****
>
>  ****
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> Anyone who wants to be involved in this project, please try and show up
> Saturday morning so we can nail down the details and assign tasks.  If you
> can't make it, let us know what level of involvement you can commit too
> over the next three weeks and let us know what you are most interested in
> so we can figure out something for you to work on.****
>
>  ****
>
> Rick****
>
>  ****
>
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