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Old 09-09-2000, 12:34 AM   #1
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Join Date: Jul 2000
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katnip
Question 12volt & $300 touch screens

I am sure y'all are soooo tired of hearing about theses touch screens, but I am wondering how to power it... the man that sold 'em said that they can do 12volt dc, and the psu that came with it outputs to 12v & 1.5amps. Do I just whack the plug off (hehehe... she said "whack" and give it a power & a ground? fuse? I would like to put a switch on it too.

thanks!

-kate

------------------
send mail to:
kate at bootstrap dot net

2000 Jeep Cherokee
Asus CUW(E) + Celeron 366 + 64mb + 13GB
300w Inverter

[This message has been edited by katnip (edited 09-09-2000).]
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Old 09-09-2000, 01:41 AM   #2
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Necare
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it isn't quite that simple...you probably should run the it through a regulator chip if you plan on powering straight from the car. but you should be able to power it from the computer powersupply ok...you should go to radioshack and get a plug the same size instead of damaging the one that came with it
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Old 09-10-2000, 10:30 AM   #3
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darkwingduck
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The problem with the "12 volt" that your car delivers is that there are power spikes and surges. This means that you may get approx 11-17 volts out of your car.

Some of the other guys knows alot more about this problem. If you take a look at some of the power supply design that are mentioned around here you will see that they all incorporate features to ensure that the voltage is 12 volts.

I dont know how sensitive the lcd displays are to the difference in power levels ...
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Old 09-11-2000, 12:28 PM   #4
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cawhite
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Seems like they are fairly sensitive to low voltage at least.. when plugged into my inverter if the car isn't running the screen flashes and gets all snowy..

--chd
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Old 09-11-2000, 02:22 PM   #5
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Kevin
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LOL, Kate. We need some humor on this board every now and then. Keep it up!
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