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int analogPin = 3;// potentiometer wiper (middle terminal) connected to analog pin 3 int val = 0; // variable to store the read value void setup() { Serial.begin(9600); // setup serial analogReference(EXTERNAL); // the voltage applied to the AREF pin (0 to 5V only) // is used as the reference. } void loop() { val = analogRead(analogPin); // read the input pin Serial.println(val); // debug value }
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