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My home built metal DDR pad (Part IV)
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idConstruct
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5900. PostPosted: Wed Mar 21, 2007 11:38 am    Post subject: Reply with quote

erod550 wrote:
You still have to run the separate ground wires to each of the arrow sensors, so it doesn't really free up any wires. Imo if you want to go this route, solder the ground wires to one single piece of wire, then use that to attach to the controller.


I think we're thinking the same thing... in my post, i meant that if you're using a cat5 cable to attach the controller to the rest of your circuit, then at the controller itself you only need to attach 1 wire to ground. (of course, in the pad itself you will still need to have ground wires running to each arrow) So: ground + up + down + left + right = 5, leaving 3 wires for other things...

I drew up a schematic just a bit ago actually, i'll see if i can scan it sometime...
(speaking of which, anyone know a good program to display basic circuits like these?)

penguinxtreme wrote:
For some reason on my superman controller, I couldn't solder to the ground, I had to have a live and a ground for each button


Can you get a pic of the board? Its possible that that controller could be 'sensing' on the ground side, in which case instead of having a 'central ground' you would have a 'central positive'... so you would have one wire for positive and individual wires for ground...
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penguinxtreme
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5901. PostPosted: Thu Mar 22, 2007 11:30 am    Post subject: Reply with quote

[quote="idConstruct"]
erod550 wrote:

Can you get a pic of the board? Its possible that that controller could be 'sensing' on the ground side, in which case instead of having a 'central ground' you would have a 'central positive'... so you would have one wire for positive and individual wires for ground...


Hmm... That's weird and interesting. It doesn't really matter anymore, since I already wired it all up with the four grounds, four positives, but I willl post pics of everything once I finish it up (very soon I hope).
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meander
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5902. PostPosted: Fri Mar 23, 2007 12:18 pm    Post subject: Reply with quote

so, i just took the control board out of my broken ignition 3, and surprisingly, the contacts arent labeled. i can figure it out with some work, but if anyones got a diagram or whatever of which are which itd speed things up greatly
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Verithos
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5903. PostPosted: Sat Mar 24, 2007 2:23 pm    Post subject: Reply with quote

Hello everyone, i'm rather new to this forum but i've played ddr on and off for a few years now.

My fiance' and i are looking to make our own home brew pad but the catch is we wanna use the 360 to play it on.

We bought the universal mix thing and have that soft pad, what my question is could I go ahead and make a pad using this controller but just follow the steps in the other guides on how to construct a pad the same way? Or will things be different?

It's going to be me, my fiance, and my best friend who are going in on this endeavor so any help or input would be appreciated.
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ChilliumBromide
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5904. PostPosted: Sat Mar 24, 2007 10:15 pm    Post subject: Reply with quote

It should have the same chip design as the other official konami pads. You can definitely use the chip with any of the guides here.
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Verithos
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5905. PostPosted: Sun Mar 25, 2007 4:55 am    Post subject: Reply with quote

Thanks we appreciate it:D

There were a couple pads we saw that looked really nice, had metallic siding which we liked but *MY* biggest concern is I want it to be the same size as an arcade pad as possible as i'm a big guy and the cobalts just didn't feel right, i don't know how to explain it really but they just didn't feel up to snuff for me.

My friend and I saw the ripetide videos and they look pretty nifty, but I liked the encasing idea I saw on page 294 from the 3d model one but like I said, i'm really mostly concerned with an arcade feeling pad and also one that I can use shoes on ( I just can't seem to ddr without shoes on very well, feels too weird not to).

Any suggestions as to types to delve into plan wise?
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slvrshdw
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5906. PostPosted: Sun Mar 25, 2007 7:19 pm    Post subject: Reply with quote

well, if you want one like the riptide style/arcade style, my tutorial with pretty much step by step instructions should be up very soon (all i have is the pics)

that being said, i hope its up within a week (depending on the homework load >.<)

i probably won't be able to do anything on it for the next couple of days, but let me know if you are interested Verithos (it'll force me to work harder E15.gif)
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ChilliumBromide
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5907. PostPosted: Sun Mar 25, 2007 7:46 pm    Post subject: Reply with quote

Any metal pad design here can be made arcade-exact. Here's some specs:

Thickness: 3"
Bar: 36"
Panels: 10.9" (the .1" is so that they don't get wedged in and totally fail, because the sheet steel covering would make it too tight if they were all exactly 11")
Rim: 1"
Rear bar-fin: 5" (I think. It might be 6")
panel recess: varies between 0.15" and 0.05". It's a tiny amount of space, but it's pretty important anyway.

Pick whatever design looks best to you, and minor adjustments will make it possible to build it to those dimensions. There are a number of ways to produce your decals. Getting them specially printed on 11"x11" paper is the most basic and most commonly used method. PIU sensors > Betson sensors, if you want to use pressure sensors. I've played on a new DDR machine and a new Pump machine in the same day before, and the Pump machine was far more sensitive.
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samtorx
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5908. PostPosted: Sun Mar 25, 2007 8:12 pm    Post subject: Reply with quote

i ripped the circuit board out of my plastic mat (for xbox). i can use it for the new pad rite?
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ChilliumBromide
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5909. PostPosted: Sun Mar 25, 2007 11:06 pm    Post subject: Reply with quote

samtorx wrote:
i ripped the circuit board out of my plastic mat (for xbox). i can use it for the new pad rite?
Yup.
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Eradicator
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5910. PostPosted: Sun Mar 25, 2007 11:49 pm    Post subject: Reply with quote

DancingTofu wrote:
Most of the top quality media cables use gold contacts, and the slightly cheaper ones use copper contacts. I'm not sure what the cheap ones use, but on patch cords, you can hear the difference between the gold, the copper, and the whatever else mystery metal.

Not quite. Cable contacts are typically gold plated, but the bulk of the connector is still copper. Gold is actually a fairly poor conductor, especially compared to copper. Copper tends to oxidize fairly quickly though, so gold plating is used for corrosion resistance.

If the connector is clean, and thus making a good electrical contact, you're not going to hear any difference.
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Eradicator
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5911. PostPosted: Mon Mar 26, 2007 12:13 am    Post subject: Reply with quote

Weston wrote:
Finished and uploaded the guide! I would appreciate it if you guys could look through and give feedback. I didn't proof read all of it, so there might be error. Let me know if you see anything confusing.

I started building a pad based on your guide today - looks like a good mix of construction details from the other designs posted around here.

I found the design of the arrow-shaped supports to be a little confusing. Your drawing shows a dimension of 18" for the arrow stem - measured from where to where? 18" from the butt of the arrow to the end of the stem is way too long - 11 1/2" turned out to be about right.

After carefully packing four of the arrow shapes into a 2'x3' area, I got part way through cutting and started wondering how the heck I was going to handle all the inside cuts, since there's no wasted material between arrows. I then realized it would be much simpler to cut out the arrow heads and stems separately, since they're all just going to get sandwiched between the base and the stationary panels. It would have been even simpler to cut out two 12 7/8" squares, cut these two along the diagonal, then just cut out four 2 5/8" x 11 1/2" rectangles from the leftover stock.
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samtorx
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5912. PostPosted: Tue Mar 27, 2007 7:12 pm    Post subject: Reply with quote

quick question.. what should i solder the wires to on the circuit board

(ignore the place where the wires are soldered rofl, and its not my pic ne wayl)

the space between the pins are really small and im not turning it into a control box just connecting it to arrow sensors. would the bottom (black lines) work?
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Weston
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5913. PostPosted: Tue Mar 27, 2007 10:46 pm    Post subject: Reply with quote

Thank you, Eradicator. I'll look over the dimensions again, because it looks like I may have written something wrong.

EDIT: After checking dimensions, an 18" stem would make the support reach way beyond the middle of the pad. 11 1/2" should only have the stem reach about 1/3 way into the center panel, leaving space between each stem so that wires can pass through (this is how it looks with your progress now, right?). Good catch, I don't know why I put such a long measurement.
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Eradicator
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5914. PostPosted: Tue Mar 27, 2007 11:33 pm    Post subject: Reply with quote

samtorx wrote:
quick question.. what should i solder the wires to on the circuit board? would the bottom (black lines) work?

Yes, use the black fingers along the bottom. You'll probably need to remove the black gunk to get solder to stick. Sometimes this will come off with acetone. Otherwise, some fine grit sandpaper or wire brush (Dremel attachment would work well here) will help to expose the underlying copper. If the fingers aren't labeled, you'll need to follow the traces to see which is which. Otherwise, you can just hook up wires to each, temporarily ground each one in turn, and see which corresponds to which button.
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slvrshdw
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5915. PostPosted: Wed Mar 28, 2007 6:24 pm    Post subject: Reply with quote

Quote:
quick question.. what should i solder the wires to on the circuit board


ya, solder to the black bar things

instead of trying to solder directly to them though, i drill a small hole (just so there is a better place for the solder to stick/wire to stay; just enough so like |.| kinda like that)

well, hopefully that made sense


*update on my site, im still working on the stupid pics..i have to take some more since i kinda didnt get pics of the whole making the plex arrow ..whoops. riiight.gif
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Eradicator
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5916. PostPosted: Thu Mar 29, 2007 10:16 am    Post subject: Reply with quote

Weston wrote:
Thank you, Eradicator. I'll look over the dimensions again, because it looks like I may have written something wrong.

EDIT: After checking dimensions, an 18" stem would make the support reach way beyond the middle of the pad. 11 1/2" should only have the stem reach about 1/3 way into the center panel, leaving space between each stem so that wires can pass through (this is how it looks with your progress now, right?). Good catch, I don't know why I put such a long measurement.

I haven't attached the supports yet, but, yes, 11 1/2" in my sketch makes it look about the same as the photo on your page. Enough landing area to attach the center panel, and plenty of space to route wires.
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ChilliumBromide
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5917. PostPosted: Thu Mar 29, 2007 1:12 pm    Post subject: Reply with quote

Okay, soldering question, because there is no way I'm actually going to sell pads held together by electrical tape:

A soldering iron looks like a little device with two metal prongs that meet at the end, right? I want to be sure the thing in my shed that looks like it's most definitely a soldering iron is a soldering iron before I go poking my pads with it.

What do I use for the solder? Something tells me I'm not going to be too successful trying to get a steel wire to just melt onto a copper wire, because the would take temperatures that would light the wood on fire, and something tells me a soldering iron just doesn't get that hot. So, is there some metal (other than mercury) that melts at relatively low temperatures that I'm supposed to use?

Thanks guys. =)
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idConstruct
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5918. PostPosted: Thu Mar 29, 2007 1:28 pm    Post subject: Reply with quote

hobby shops will probably have it... i know for a fact that radio shack has it because thats where i bought my iron. Last time i got solder was actually at my local Ace hardware... (they use solder sometimes on gas pipes for a good seal)

as for that thing you have, it sounds like its probably a soldering gun.. (as opposed to a soldering iron) ... i've never used one though. I'd say just go buy some solder and try soldering two scrap wires together with it. If it doesn't work, radio shack has decent ones starting at about $10 for a dual temp. model

another thing to consider is that there are a couple different types of solder... there's low temp solder thats lead based usually, and thats good for circuit boards... if you're doing more heavy duty soldering, the high temp models might be better because they're usually stronger. You can easily get away with just the low temp stuff though...
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Eradicator
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5919. PostPosted: Thu Mar 29, 2007 1:43 pm    Post subject: Reply with quote

DancingTofu wrote:
Okay, soldering question, because there is no way I'm actually going to sell pads held together by electrical tape:

Are you serious?! http://en.wikipedia.org/wiki/Solder
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