Yes, you are correct, but a switch is either on (0 ohms or close) or off (infinite or very high resistance). He is looking for a switch to turn LEDs on and off, so your first statement really made no sense, nothing really "handles ohms". I don't know what his setup for the LEDs is, they will need a series resistance to limit the current for the LEDs, you can't just hook up an LED to a battery. But, a pot with a push-pull or push-push switch will work nicely if LEDs are your thing.bluealien said:The three most basic units in electricity are voltage (V), current (I) and resistance (r). Voltage is measured in volts, current is measured in amps and resistance is measured in ohms.