I am trying to design a LED light with a power supply of 12 volts 2 amps. I am going to use 6 LEDs total. I bought some 3 watt LEDs off of eBay and are rated at 3.3 volts 700 mA. I used one of the LED calculators to figure out which resistors I needed (2.7Ohm) but I also saw some that said to...