Very basic I know, but trying to learn. I understand that resistors allow you to drop the voltage in a circuit to whatever you need via a voltage divider or whathaveyou.
What if you have the correct voltage, but too much current?
Context: I have an LED Tower light rated for 12 & 2W, which means I should be supplying 166mA (I think) but the only closest DC PSU I can find is 12V 500mA and I know too much current is not good for LEDs. What's the solution here?
How would I go about using resistors to make the current safe for the LEDs but not drop the voltage?