You want to use a shield to turn an LED on and off? The simplest, then, is to glue the shield to the end of a servo, and position it over a switch. Rotate the servo to one position to turn the LED on, and to another position to turn it off.
You want to use a shield to turn an LED on and off? The simplest, then, is to glue the shield to the end of a servo, and position it over a switch. Rotate the servo to one position to turn the LED on, and to another position to turn it off.