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Author Topic: 1503fp easy question.  (Read 4941 times)
bubbaflamm
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« on: April 26, 2007, 08:43:53 PM »

Is the pin in teh center of the power supply connector for teh 1503fp pos or neg?
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Chems
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« Reply #1 on: April 27, 2007, 12:17:43 AM »

Put your tongue on it, Im not sure what it will acheive other than that if you get a shock off it you know it isnt earth.
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Switz
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« Reply #2 on: April 27, 2007, 01:09:20 AM »

I would assume positive,

one sec, ill brb to go check

Yeah, its a positive

12V 3A
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Made that, not my best, but I love it.  Firefoxy lol
It's all fun and games till someone loses a testicle.   Cheesy
bubbaflamm
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« Reply #3 on: April 27, 2007, 06:04:27 AM »

Thanks switz.  pos center.

@chems.  the problem with that plan is that i don't have a power supply, but rahter an interface board i'm making work with a differant power supply.  But since you've been here longer than i have, so i tried it anyway; i stuck my tounge on the unpowered interface.  the only thing i felt was a little stupid.
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Chems
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« Reply #4 on: April 27, 2007, 11:44:47 AM »

lol, well I dont have a dell, so the tounge idea was the only way I could help!
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Switz
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« Reply #5 on: April 27, 2007, 12:25:23 PM »

I mean I might be able to sell you mine.
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Made that, not my best, but I love it.  Firefoxy lol
It's all fun and games till someone loses a testicle.   Cheesy
Drewid
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« Reply #6 on: April 27, 2007, 02:52:50 PM »

Photo please  Grin
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Games work site:  Drewnorthcott.co.uk
Personal site: Bongofish.co.uk
bubbaflamm
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« Reply #7 on: April 27, 2007, 08:08:57 PM »

chems:  thanks for the offer, but it wouldn't help me much.  i'm wiring everything to a single ac adaptor (tablet, screen, LED backlight, usb hub) so i need to make my higher amp one work.

Drew: you have only to ask.


* licking.jpg (42.79 KB, 400x344 - viewed 313 times.)
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bubbaflamm
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« Reply #8 on: April 27, 2007, 08:16:27 PM »

notice the aluminum cover has been removed from the various ports.  that took forever, even with the right desoldering tools - there are a couple spots where a tab is soldered down and i couldn't get the solder out from under them.  This brings me to another question:  what about grounding?   Grounds are something that i honestly don't really understand.  am i safe just leaving it ungrounded?  should i resolder ground points to a big chunk of metal, and how big?  what am i supposed to do with it?
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Drewid
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« Reply #9 on: April 27, 2007, 10:50:44 PM »

That's....

 Embarrassed

 slightly unsettling
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Chems
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« Reply #10 on: April 27, 2007, 11:46:26 PM »

Grounds are like a safety net when on a zip wire. Thats what I think anyway. You probably wont need it but it could be handy if you do. Just make a ground wire, as you go alone, nice a long, attach all your grounds to the same wire, and then when your done attach that to your plastic casing. Thats what Ive done and thats how its done on the Intuos3 as standard, there is a foil strip that earths the sheilding. The idea been that the casing will be touching some other object which in turn will be touching the ground and eventually that errent spark should be channelled into the ground rather than into a fire. Which is what happened to my zalman fan.


Heres a wiki article on grounds thats good reading. Lots of diffrent types, but the 2 we need are on there, un powered ground and the shielding ground.

http://en.wikipedia.org/wiki/Ground_(electricity)

Hope Ive explained it well, and if I havent Im sure someone will.

PS AWESOME PICTURE! Its like remote control, I say something and a fellow nerd does it elsewhere in the world!
« Last Edit: April 27, 2007, 11:49:29 PM by Chems » Logged

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