HELP!!!

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slammedyota91@yahoo.com's avatar
HELP!!!
slammedyota91's avatar
slammedyota91
+1y
Anyone know what size resistor to use for going from 12-14v to 3-3.8v??? please help!!!
sleepyspeed's avatar
sleepyspeed
+1y
chase what color led's? they use a different Ma depending on color also how many? are you doing one resistor per led
sleepyspeed's avatar
sleepyspeed
+1y
if one resistor per led go with 470 ohms should be safe no matter what the color
slammedyota91's avatar
slammedyota91
+1y
I figured it out, thank you though, They are ultra violet leds but Im not gonna use em, I dont like the look, Im in search of amber leds, I just put 4 in series which gets up to 12 volts thnks man appreciate the help!