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Have you never heard of an led driver? It's not the voltage you need to worry about, it's the current. You could use exactly the correct amount of...
Come on strong?? He flames the OP saying he doesn't have a clue, then spews something about the supply being bigger than it's rated for.. which...
Hmm.. a 10ohm 10watt dummy load connected to the 5v rail... 5V/10ohm = 500mA 500mA*5V = 2.5W The 10watt resistor isn't using the full 10...
Yeah.. but who sells a 19.8v supply for 6 RoyalBlues at 3.3v a piece? Nobody. You get a supplier that's usually bigger than you need, but...
Umm.. that's why you use a driver.. it either boosts or bucks the voltage. And if you use a "constant current driver", it adapts the current to...
What the heck you talking about? If you knew anything about power supplies, you'd know you need a "minimum load" on it. Without that minimum load,...