Arduino Sketch    Scaling Analog Data

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// Scaling Analog Data
// This sketch is in the public domain

const int analogInPin = A0;   // Analog input pin that the potentiometer is attached to

int sensorValue = 0;         // value read from the pot

void setup() {
  // initialize serial communications at 9600 bps:
  Serial.begin(9600);
}
 
void loop() {
  // read the analog in value
  sensorValue = analogRead(analogInPin);            

  // send the analog value to MakerPlot
  Serial.println(sensorValue);  // send analog value    

  // wait 100 milliseconds before the next loop
  delay(100);                     
}