Ask Experts Questions for FREE Help !
Ask
    rjsharke's Avatar
    rjsharke Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 4, 2011, 09:47 PM
    If I have 6 LED lights at 2 volts each will you still have to use a resistor
    If I have 6 led lights at 2 volts each will I still have to use a resistor on a 12 volt system and how would you wire it up?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member
    		  
    #2

    Sep 5, 2011, 08:09 AM
    Led's have variety of voltages, try this calculator:
    http://www.bowdenshobbycircuits.info/led.htm
    There is also a formula where you subtract the led voltage from the source voltage then divide the ma's into the voltage difference.
    Helpful when you don't have a computer handy.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

How do you reduce 220 volts to use an LED light. [ 2 Answers ]

I want to put an LED light on my transfer switch so I know when the power from the electric company comes on. I am using this in my home in the Philippines so my voltage is 220. I want to buy an LED from Radio Shack and hook this directly to the incoming wires from the electric company. The...

I need a resistor to take 29 volts to 240 ma? [ 1 Answers ]

my Black & Decker charger died and I have a transformer that I want to use to replace the dead one. The old one was 17 volts DC and charged at 240 ma. The replacement is rated 19 volts DC and testing it reads 29 volts DC output. I need to replace the resistor on the circuit board to reduce this to...

How many volts are halogen lights [ 4 Answers ]

I have a halogen light fixture that I'm trying to fix/repair... it came from a horse farm. When I climbed up the ladder to measure the voltage of the three prong plug I got 240 volts between the first and second prong... then 110 between the secondand third prong... and then 0 between the third...

120 volts, connect 1 swith to control 3 lights [ 1 Answers ]

I ran power to the switch, and made the correct connections at the first light, and its bright. However the 2d and third light are dim. Please help.

LED lights [ 1 Answers ]

I just purchased a few LED screw-in light bulbs. Now when ever I turn off the wall switch, the LED light is dimmed but not off. In these same fixtures with an incandescent bulb, the light goes completely off. How do I solve this problem? The house was built in 1979 with 3-wire 12 gage.

View more questions Search