// These constants won't change. They're used to give names to the pins used: const int analogInPin = A0; // Analog input pin that the potentiometer is attached to const int analogOutPin = 9; // Analog output pin that the LED is attached to int sensorValue = 0; // value read from the pot int outputValue = 0; // value output to the PWM (analog out) void setup() { // initialize serial communications at 9600 bps: Serial.begin(115200); pinMode(13,OUTPUT); } void loop() { // read the analog in value: sensorValue = analogRead(analogInPin); // map it to the range of the analog out: outputValue = map(sensorValue, 1023, 950, 0, 10); // change the analog out value: analogWrite(analogOutPin, outputValue); // print the results to the Serial Monitor: Serial.print("sensor = "); Serial.print(sensorValue); Serial.print("\t output = "); Serial.println(outputValue); if(outputValue>5){ digitalWrite(13,1); } else{ digitalWrite(13,0); } // wait 2 milliseconds before the next loop for the analog-to-digital // converter to settle after the last reading: delay(100); }