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The Sensor Thread!!!
 
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EnigmaFX
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Joined: 17 Oct 2006
0. PostPosted: Wed Oct 18, 2006 6:51 pm    Post subject: The Sensor Thread!!! Reply with quote

Hello Fellow DDR Players and Pad Makers.

I have recently picked up the intuition of making my own pad.
I have my plan in mind and all but there is one thing that bugs me.

The Sensors!!!!!!!! >_<

One of my friend gave me an Idea which looks petty good but
I wish I knew more models of sensors so I could Have a variety of choices.
Ive looked Around the forum but only found 2 (Brackets and Riptide)


I think it should be a Great Idea to make an Official DDR HomeMade Sensors.
If it actually gets pinned, which would be pretty sweet, Here could be some rules so it doenst
get all spammed.

------------------------------------------------------------------------------------------------------------------------------------

1 - Only post the actual sensor model type and idea

2 - Dont comment anything Just post the sensors

3 - An image or + would be nice

4 - List of materials needed


Thats about it I guess E1.gif

Let the posting Begin?! xD
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daikenkai =[
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1. PostPosted: Mon Oct 30, 2006 3:53 pm    Post subject: Reply with quote

May I bump thee olde topic!

Seems like a great idea!
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daikenkai =[
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2. PostPosted: Mon Oct 30, 2006 6:53 pm    Post subject: Reply with quote

Ok... I have an UNTESTED, yes UNTESTED, again, UNTESTED idea. To use microswitches, and mount them using screws... not into wood, as it may break, but instead glued down strips of puzzle-piece foam. 4 microswitches, each at a corner. Im gonna test it out, as soon as I get my english grade up (reportcard.. C... OUCH for a normally straight A student), and get soem on ebay.
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Trifthen
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3. PostPosted: Tue Oct 31, 2006 5:41 pm    Post subject: Reply with quote

You know, MyMyBox makes arcade sensors they use in their GXG pads. They are $20 each, or you can get a pack of 8 (2 for each arrow) for $100.
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kyj197
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4. PostPosted: Tue Oct 31, 2006 6:44 pm    Post subject: Reply with quote

if you want to make your metal pad like real arcade cabinet. then you need to use MyMyBox arcade foot sensors. They use in their Blueshark metal pad GXG and GXG-B model. you can get the each sensor for $20 , or you can get a pack of 8 (2 for each arrow) for $100.

you can go to their website http://www.mymybox.com/ddrdiy.html







mymyblx clam that their arcade foot sensors can be used on real konami ddr machine too. I heard that their sensor is really good. If you want to make ddr metal pad as real ddr arcade metal pad, then you need to use their sensors. Other metal pad is just contact switch.




Good Luck !
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ceraf
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5. PostPosted: Wed Nov 01, 2006 7:15 pm    Post subject: Reply with quote

just out of curiosity, how exactly do these sensors work? is it a switch-type of connection?
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Trifthen
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6. PostPosted: Thu Nov 02, 2006 1:20 pm    Post subject: Reply with quote

ceraf wrote:
just out of curiosity, how exactly do these sensors work? is it a switch-type of connection?


Pressure sensors are usually a piezoelectric crystal sandwiched between two layers of pliable rubber or plastic. When pressure is applied, the crystals generate current, which can be detected by another circuit. Connections like this almost always generate a signal, which is why a design using them will generally need its own circuit to filter for voltage/pressure spikes. If the sensor is designed with an inline resistor, the noise from minor pressure on the crystal is removed, and you only detect the spikes; roughly the same idea as slapping two sheets of metal together, but with a less error-prone threshold.

These types of sensors are usually used in applications where you check every few seconds to record the current pressure applied. For a DDR pad, we only care that enough pressure was applied to register as a step. If I had to wager a guess, these pressure sensors are already tweaked so that they'll only connect the circuit for the step, when a good amount of pressure is applied, say ten pounds. It's high enough that it won't go off on accident, but low enough that you don't need to stomp.
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The Wise Fool
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7. PostPosted: Thu Nov 02, 2006 1:45 pm    Post subject: Reply with quote

There was a much cheaper alternative I saw which Matrix made his pad with. He had mending brackets with screws in them, like this:


Last edited by The Wise Fool on Fri Nov 03, 2006 4:33 pm, edited 1 time in total
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ChilliumBromide
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8. PostPosted: Thu Nov 02, 2006 10:02 pm    Post subject: Reply with quote

I've got a large number of panel designs; I'll make and post blueprints after I finish my DT610 blueprints. ^^

Please note that the technologies involved in my panels make use of only physics and magnetism; I suck at chemistry, so no arcade-style pressure sensors.

I'm thinking of ways to make my snare sensor panel so that it can do holds. xP
It may take a while; bear with me.
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daikenkai =[
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9. PostPosted: Sun Nov 05, 2006 9:13 am    Post subject: Reply with quote

Well, my dad is prolly gonna bid on ebay for 100 microswitches for onlh 1 dollar, with 8.20 shipping and handling. Ill let u guys know how well it works I can imagine the leetness it will bring
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ceraf
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10. PostPosted: Sun Nov 05, 2006 9:50 am    Post subject: Reply with quote

here's my ghetto pad sensor design. Simple, yet quite effective.



The good part is that the sensors are quite sensitive, so it requires very little force to register a button press. the biggest drawback is that the hardboard will cave in over repetitive use, but that can be remedied by using a thicker panel and a spongier mouse pad (or similar material).
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daikenkai =[
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11. PostPosted: Sun Nov 05, 2006 1:29 pm    Post subject: Reply with quote

i did that design, didnt work as i used crappy aluminium foil
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daikenkai =[
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12. PostPosted: Wed Nov 08, 2006 5:40 pm    Post subject: Reply with quote

Ok!

My technology teacher had this weird stuff, its like a copper material. One side is plastic, no conduction, and the other is durable copper. He has several rolls of this stuff, over 1000 or more feet of it. I asked him where I could buy it at, and he told me he had a whole ton of it and I could have some. I decided perhaps 4 feet of it (its 1 yard wide) for use on my ddr pad. It doesnt wear or tear out like aluminum foil, and it is about the thickness or cardstock. As durable as tarp. Its hard to describe, but its also used for practicing for soldering! im gonna try it on my DDR pad, as i think tactile switches are WAY too small and fragile, and I cant get any good deals on microswitches.
I also got some cool looking black ducttape.

Cant wait to try it out. It will be a sinch to solder as, well, its used for soldering practice. No more aluminum foil and tape.

PS: I think aluminum tape could possibly work. Any ideas?
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videoCWK
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13. PostPosted: Wed Nov 08, 2006 5:49 pm    Post subject: Reply with quote

If you know where you can get ahold of Andamiro sensors, use those. Those sensors are great. And...that's all I could think of.

Hey, would those MMB sensors work in a DDR machine? Would they die quickly, or last long?
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cph05a
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14. PostPosted: Thu Nov 16, 2006 4:18 pm    Post subject: Reply with quote



It looks kinda ghetto, but It's easy to make, dirt cheap, and I've never had trouble with responsiveness since I put them in.
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daikenkai =[
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15. PostPosted: Sat Nov 25, 2006 7:38 pm    Post subject: Reply with quote

great idea!

one q tho...

what is the "trigger". Do you stomp on it with a foil-covered shoe, or is it triggered like a normal dance pad
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ChilliumBromide
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16. PostPosted: Sun Nov 26, 2006 1:45 am    Post subject: Reply with quote

cph05a wrote:


It looks kinda ghetto, but It's easy to make, dirt cheap, and I've never had trouble with responsiveness since I put them in.
Looks like a cheap version of the sensors on my pads.

See?


The panels have an aluminum tape sheet (unless modded) on the bottom that transmits the electric signal from the directional wire to the ground wire when you press the panel down, and you get a response. . . most of the time.
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ceraf
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17. PostPosted: Tue Nov 28, 2006 3:46 pm    Post subject: Reply with quote

i just hate how aluminum foil powders off after a while.
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ChilliumBromide
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18. PostPosted: Tue Nov 28, 2006 11:30 pm    Post subject: Reply with quote

ceraf wrote:
i just hate how aluminum foil powders off after a while.
I think "shreds apart" is a more appropriate term.
I'll try to remember to get an example tomorrow.
It ruins sensors too.
copper plate = better.
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