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Old 04-07-2006, 03:44 PM   #11
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ok so i cut one open and the resistor colors going away from the led are green, blue, black, black, red, and the resistor as a whole is a light blue color and i plan to put 8-10 or how ever many you recommend over a 75 gal tank
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Old 04-07-2006, 06:51 PM   #12
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That value can't be right.. It would be 5600Ohms plus (never heard of a red tolerance band, Brown maybe?)

Do you have a multi meter you can measure the resistance with? Might prove a bit more reliable.

Twohobbies, Not to be crude, but that is an unqualified answer that has the potential to harm someone.. If the resistor was rated for 3v then putting 12v to it will result in plastic flying or resistors heating up to dangerous temperatures.
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Old 04-08-2006, 01:12 AM   #13
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on seccond glance it does looks to be green, blue, purple, black, brown, or orange ,stupid light. Does that help at all?
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Old 04-08-2006, 02:32 AM   #14
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you can get a muli-meter for really cheap, less then 10 bucks for an cheap electrionic around here and about 5-6 bucks for an analog.
wallyword, ACE, look around if intrested..
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Old 04-09-2006, 02:37 PM   #15
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I did read the info that came with them said 6-14 volts, 12 volts would work fine as long as its DC.

Most, but not all----packages like that are designed for auto use ( 12 volts)

I also don't understand why resistor values are important when we don't know the led voltages. JMO
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Old 04-09-2006, 09:29 PM   #16
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LED voltage drop is typically .7v, but that can be guessed to be 1v if you like. the important number is the current required by the LED. that is the number that qualifies the resistor value. with the incorrect value there may be too much current flowing through the LED and cause it to fail prematurely or worse, blow up.
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Old 08-15-2006, 12:38 PM   #17
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so shold i get a 12 volt or a 9 volt adapter they have ranges from 500-1500ma ?
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Old 08-15-2006, 12:51 PM   #18
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i just use an old computer power supply and it works fine. it will run 6v or 12v dc.
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Old 08-15-2006, 01:06 PM   #19
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well i was looking at gettiung one of those adapters for radio shack so i was wondering what one i should get exactly.
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Old 08-15-2006, 03:45 PM   #20
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Any 9 or 12 volt DC 300-500 ma adapter should work. The higher the ma number the more leds you can run.

The higher the ma number the more expensive the adapter the more leds it will power. I run 10 blue led's in my nightlight on 300ma with no problem.

Part number 273-1773 From the web sight ....$17.99.... ouch
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