int potensio = 3; float value;
void setup() {
 Serial.begin(9600);
}
void loop() {
 value = analogRead(potensio);
 Serial.print("nilai digitalnya : ");
 Serial.print(value,0);
 Serial.println(" ");
 value = 5*value/1023;
 Serial.print("nilai analognya : ");
 Serial.print(value,3);
 Serial.println(" volt");
 Serial.println(" ");
 Serial.println(" ");
 delay(1000);
}