the materials im getting for my first ps1p(are they good?)

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Dantespice
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the materials im getting for my first ps1p(are they good?)

Post by Dantespice » Thu Feb 25, 2010 12:08 am

alright, soo im really nervous about getting wrong parts and stuff for my first portable soo imma just make sure by experts that im getting my moneys worth, so here are my items:

ps1, controller and screen
http://cgi.ebay.com/Sony-PlayStation-On ... 4651487344" onclick="window.open(this.href);return false;
http://cgi.ebay.com/playstation-control ... 439d65aa1a" onclick="window.open(this.href);return false; (will this controller work?)
http://www.amazon.com/gp/offer-listing/ ... ition=used" onclick="window.open(this.href);return false;
other stuff mainly for the screen mod
http://mouser.com/Search/ProductDetail. ... 889-LW330A" onclick="window.open(this.href);return false;
http://www.mouser.com/ProductDetail/KOA ... xzjc8mg%3d" onclick="window.open(this.href);return false;
http://www.mouser.com/ProductDetail/Lum ... Rcug%3d%3d" onclick="window.open(this.href);return false;
the buttons
http://search.digikey.com/scripts/DkSea ... 4862569471" onclick="window.open(this.href);return false;
i need to find something simillar to these http://search.digikey.com/scripts/DkSea ... nd&x=0&y=0" onclick="window.open(this.href);return false;
http://www.radioshack.com/product/index ... Id=2062510" onclick="window.open(this.href);return false;
http://www.radioshack.com/product/index ... Id=2062490" onclick="window.open(this.href);return false;
http://www.radioshack.com/product/index ... Id=2049719" onclick="window.open(this.href);return false;

and thats my list. if theres anything wrong and such please let me know, and if your wondering why i didnt post up the batteries is cause i have 2 seperate li-ion batteries both 3.7v/2300 mAh each heres a pic of them http://forums.benheck.com/viewtopic.php?f=8&t=36491" onclick="window.open(this.href);return false;
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Re: the materials im getting for my first ps1p(are they good?)

Post by DukDog » Thu Feb 25, 2010 7:19 pm

Most of the stuff looks pretty good. I'm currently on my first project as well. A PS1P made from a 9000 series mo-bo. I've already done the led mod and what not, so though I may not know as much as some of these other guys I do have some experience under my belt. lol.

First the screen. Don't drop $60 on the screen from Amazon if you can avoid it. The guts of the PSOne screen can be found in other units as well. I got my Zenith with the same internals for under $25 including shipping and handling from ebay. They also have an xbox screen with the same exact mo-bo. If you don't want to do ebay here's one for under $50 with shipping.

As for the LEDs. I hope you're not saying you're thinking about using the purple LEDs for the screen, cuz I don't think they'll work. The white ones are pretty nice. The 34 degree viewing angle always a plus. I forgot to take that into account when I got mine and the 3 corners the LEDs are in are obviously a little brighter on a pure white screen. Fortunately once you get a game going with various colors you really have to look for it to notice. The 7000 mcd on them might be a bit bright. I think Ben Heck recommends a 1000 mcd light, but his are a bit dim. If it's too bright you might want to dial it down with a variable resistor.

I got my leds from a local electronic supply place called RA-ELCO. They were 1800 mcd if I remember right and they work quite well without any need for the mod mentioned in the book to increase brightness. If you want better control of your brightness don't just go with the 10 Ohm resistors. If you type "LED calculator" into google a whole list of cool sights pop up. This one is really nice as it gives much more info than most. In order to eak out every bit of light my 1800 mcd leds could put out I actually paralleled a 180 Ohm resistor with a 27 Ohm. Coming straight off a battery, which tends to vary slightly in it's voltage, I wouldn't recommend cutting it so close but coming off a 5 volt regulator you should be safe. When I entered in the values to the led calc it said I needed a minimum resistance of 23.333 Ohms to protect my leds. Using this spiffy resistor calculator I was able to see that the 180 and 27 Ohms would give me 23.478.

Lastly the batteries. Any batteries you already have are certainly cheaper then buying new ones. They prolly are already hooked together in a way to supply 7.5 volts. You'll want to verify with a multi-meter hooked up to the voltage output points. Also at 2300 mAh they'll only give you about 1.5 hours. If you want closer to 3 hours and are willing to drop some extra cash the batteries in this thread are sexy. Either way the thread is still worth a read just for a better understanding of the ins and outs of LI-Po batteries.

And with that I'm done with my rant. Hope it helps. :lol:
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Dantespice
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Re: the materials im getting for my first ps1p(are they good?)

Post by Dantespice » Thu Feb 25, 2010 7:39 pm

thanks for the info, and im using the purple led causee in bens book it said use any color you like..so i chose purple. and where can i get another white led that would not be too bright? cause the only 1800 mcd one they have on mouser.com is blue soo yeah

EDIT: is this led good to replace the 7000 mcd ones? http://mouser.com/ProductDetail/Kingbri ... sktQ%3d%3d" onclick="window.open(this.href);return false;
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Re: the materials im getting for my first ps1p(are they good?)

Post by DukDog » Thu Feb 25, 2010 9:22 pm

Oh, I see. As long as the purple LED is for the power indicator, analog indicator, or something similar then it should be OK. If you're doing an indicator light though you prolly wan't something with much lower mcd or mlm (Millicandela or 1/1000 lumen respectively. Whichever measurement you see they are so close the difference is negligible). The LED Ben suggests for the indicator light doesn't have the mcd posted on RadioShack.com. I used to work at RadioShack and, if memory serves, if you pop into your local shack and take a look the mcd should be posted in the parts drawer dividers if not on the packaging. I'd be surprised if this LED put out more then 500 mcd if it even goes over 100. If you get it too bright the indicator light will be like a little flash light.

As far as the LCD goes, you just want as pure white as possible for the back-light. In all honesty I could be wrong on the mcd on my LEDs. The guy at the store pulled them out of a drawer that didn't have any specs on it that I could see and told me, apparently from memory, that they were 18,000 mcd. I thought that was a bit high and just assumed he added an extra 0. If he didn't add the extra 0 then the 7k you were looking at should be fine. I figure though that since Ben uses only 1k mcd it shouldn't hurt to go closer to 2k. It shouldn't need to be too exact. The fact that this screen has contrast controls should be a little forgiving. A few lights I would recommend perusing follow:

http://mouser.com/ProductDetail/Xicon/3 ... VtJJgtM%3d
http://mouser.com/ProductDetail/Kingbri ... /pqMei0%3d
http://mouser.com/ProductDetail/Kingbri ... ERhsu88%3d
http://mouser.com/ProductDetail/Lite-On ... TV0qK5g%3d
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Re: the materials im getting for my first ps1p(are they good?)

Post by Dantespice » Thu Feb 25, 2010 9:26 pm

ohh thanks for the links and info again, im not a big electrician type of person soo i dont know which one would be a good one. will i have to use any resistors for those? if so, how much ohms should it have?
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Re: the materials im getting for my first ps1p(are they good?)

Post by DukDog » Thu Feb 25, 2010 9:53 pm

Of the ones I posted the horse I'd prolly pick would be this one. It's defused, hopefully that's good. 2.5k mcd. And at only 91 cents a piece they are way cheap. If you go with this one and follow Ben's book on where to hook it up to the 5 volt power supply you'll need at least 5 Ohms of resistance. This resistor should be fine.
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Re: the materials im getting for my first ps1p(are they good?)

Post by Dantespice » Thu Feb 25, 2010 10:04 pm

ahh thanks so much for you help dude, really appreciate it. annd how much resistors would i need for the led mod?
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Re: the materials im getting for my first ps1p(are they good?)

Post by DukDog » Thu Feb 25, 2010 10:09 pm

Just one resistor. Hook the resistor to the +5 volt output on the regulator. Hook all three + LED leads to the resistor's other end. Hook all three - LED leads to the ground point.
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Re: the materials im getting for my first ps1p(are they good?)

Post by Dantespice » Thu Feb 25, 2010 10:14 pm

oh alright, thanks. do you think you can help me find some push buttons? cause your thinking about making one too right?
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Re: the materials im getting for my first ps1p(are they good?)

Post by DukDog » Thu Feb 25, 2010 10:20 pm

I got a bag of 100 pushbuttons for 5 bucks from that local electronics store I mentioned. I'd look locally at any nearby electronic supply stores you might find in the yellow pages. The ones you linked look good to me.
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Re: the materials im getting for my first ps1p(are they good?)

Post by Dantespice » Thu Feb 25, 2010 11:08 pm

i need ones like that are the squishy kind, the ones for the d-pad, and the triangle, circle, square, x buttons
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Re: the materials im getting for my first ps1p(are they good?)

Post by Dantespice » Fri Feb 26, 2010 1:07 am

would it be possible to desolder these and put it into this pcb? http://www.batteryspace.com/pcbfor74vli ... limit.aspx" onclick="window.open(this.href);return false;

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these are li-ion batteries 3.7v/2300 mAh each

(sorry for the blurry pics the camera couldn't focus too well)
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Re: the materials im getting for my first ps1p(are they good?)

Post by DukDog » Sat Feb 27, 2010 7:45 am

I don't see why not. Of course the board they're on prolly does the same job. They look as though they're already wired together for 7.5 volts. It is just a bit larger but it looks like the extra size comes with some benefits. For example I see it has an LED or the far right corner. I would look on the case for the dvd player that you pulled it out of. The hole that it's supposed to poke out of should tell you if it's a low battery/charging indicator. (The fact that the LED has 3 leads instead of 2 usually means it can put out two colors, prolly red and green) Then again it could be power. Unless you're trying to save a small amount of space I'd leave it on the PC board it's already attached to. Quite frankly I'm a bit jealous. I'm gonna have to wire my own low battery indicator following the instructions found here.
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Re: the materials im getting for my first ps1p(are they good?)

Post by Dantespice » Sat Feb 27, 2010 12:43 pm

oh i see, im just worried how ill be able to charge it and fit it in my portable
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Re: the materials im getting for my first ps1p(are they good?)

Post by DukDog » Sat Feb 27, 2010 10:59 pm

Here's a thread about some buttons. You were asking about them earlier.
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