Question: 3. Write Arduino code to turn an LED on/off in response to an external input Write an Arduino sketch that turns an LED on

3. Write Arduino code to turn an LED on/off in response to an external input Write an Arduino sketch that turns an LED on or off depending on the value of an input volt- age supplied to one of the pins (see Experimental Exercise 5 Converting an Analog Input to a Digital Output). To learn more about analog to digital conversion, please see the resources section on Sakai. Hint: don't overthink this question!
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