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</code>
* Q: Looking at the Arduino help for that function (<code>analogRead()</code>), what do you think the value <code>val</code> will be for those highest and lowest voltages at your A_IN pin?
* Q: How can you verify your guess? Try and verify your values, in some wayplausible manner. Anything goes!!!
=== other loads ===
==== photoresistor ====