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Led light Panel Help!!!!!!Please

PLease help im not a novice in the world of electronics i .e i went to college,although many years ago. Im looking for a the easiest way to wire 200 leds into a light panel...... ie 200 led's in 50 x 40 there 3v leds What be the best way to wire ie,what power suply do i need,resitors etc Please advise thanks jim

srikar069 years ago
google for led calculator that should help you with everything you need
hairyjim (author)  srikar069 years ago
wow thanks for your suggestion....
I hunted it down came up with http://ledcalc.com/
even gives you a drawing of how it should look
SOol Cool Thanks