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how to connect 5MM RGB led to connect with 12v 6A controller? Answered

Dear all,

 i am bit confused and want your expert help for following matter.

1. I have 12v 6A (2A X3 each= 6A)  RGB contoller  : as this link http://www.ebay.in/itm/24-key-IR-Infrared-Controller-remote-12V-power-Adaptor-fr-RGB-Strip-flood-Light-/161201011884?pt=LH_DefaultDomain_203&hash=item2588543cac 

2. I have 5 mm common anode led: as this link  http://www.ebay.in/itm/RGB-LED-5MM-Common-Anode-20pc-Set-/151542871353?pt=LH_DefaultDomain_203&hash=item2348a8b539

i want to connect this 5mm common led total 6 nos with above mentioned 12v 6A RGB contoller.  
how to connect it safely so that led will not burn . because red needs 2.2 v  , 20 ma , blue and green need 3.2v  , 20ma  to light up. and source is suppling 12v 2A . i think if i connect it directly . it will burn the led. 



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Wired_Mist

3 years ago

If your controller can run at 5V (most controllers like that will run at 5v-24v) you can use some resistors on each led and it could work. 150 Ohm for Red, and 100 Ohm for Blue / Green. But unfortunately you can't wire led's like that in series.