What resistor (or do I need one)? Answered
I'm designing a simple prop that requires 2 LEDs. I figure a 2AA batteries connected to a switch that splits into 2 resistors and then into 2 LEDs then back to the batteries. See diagram below. The LEDs should take 20mA at 1.9-2.0V. So what resistor should I put in between the switch and LEDs.