// Controlling a servo position using a potentiometer (variable resistor)
// by Michal Rinott <http://people.interaction-ivrea.it/m.rinott>
+// Schema: https://lab.piffa.net/schemi/potenziometro_bb.png
+
#include <Servo.h>
Servo myservo; // create servo object to control a servo
-int potpin = 0; // analog pin used to connect the potentiometer
+const int potpin = A0; // analog pin used to connect the potentiometer
int val; // variable to read the value from the analog pin
void setup()