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Author Topic: Will 5volt & 12 volt bulbs drain HD power?  (Read 1388 times)

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jopenner

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Will 5volt & 12 volt bulbs drain HD power?
« on: November 24, 2005, 07:42:59 am »
I have created a harness to hook into my hard drive power supply (yellow/black=12volts & red/black=5volts), which powers 1-12volt Happ Trackball light and 2-5volt Happ illuminated switches.  Will this set-up create a problem for my hard drive or should I be looking else where to steal power from?

John
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Jess--

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Re: Will 5volt & 12 volt bulbs drain HD power?
« Reply #1 on: November 24, 2005, 08:14:31 am »
that number of bulbs should not create a problem for a PC power supply
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Franco

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Re: Will 5volt & 12 volt bulbs drain HD power?
« Reply #2 on: November 24, 2005, 08:21:33 am »
Yeah you will be fine. Some people power car amplifiers off theres as well as there PC etc, not that I would personally recommend it. If you are concerned or may power other devices in the future, you may want to add a seperate PSU but as far now you shouldn't have a problem.
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Jess--

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Re: Will 5volt & 12 volt bulbs drain HD power?
« Reply #3 on: November 24, 2005, 11:37:43 am »
PC power supplies are capable of powering quite a bit of extra equipment, especially on the 12v lines as modern hard drives / cd drives etc place very little demand on that line..

My own computer currently has a pair of 15" tft screens piggy backed off the computers 12v line (total of 8 Amps extra loading) with no problems
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jopenner

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Re: Will 5volt & 12 volt bulbs drain HD power?
« Reply #4 on: November 25, 2005, 09:23:15 pm »
That sounds good.  Thanks for everyone's input.

John
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