#include SoftwareSerial mySerial(0, 2); // RX, TX from point of view of chip int analogPin = 3; // potentiometer wiper (middle terminal) connected to analog pin 3 -- Physical pin 3 // outside leads to ground and +5V int val = 0; // variable to store the value read void setup() { mySerial.begin(9600); // setup serial } void loop() { val = analogRead(analogPin); // read the input pin mySerial.println(val); // debug value delay(1000); }