Changes

Week 3 Lab

No change in size, 07:10, 13 April 2009

→‎Potentiometer

=== Potentiometer ===

[[Image:Pot_in.png]]

A_IN can be any of the Analog pins (0-5) on your Freeduino.

* Q: What will the voltage at A_IN be? What are the upper and lower values?

The important part of this sketch is the line where the microprocessor reads the analog input:

<code>

val = analogRead(potPin); // read the value from the sensor

</code>

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