| /* | |
| Controlling a servo position using a potentiometer (variable resistor) | |
| by Michal Rinott <http://people.interaction-ivrea.it/m.rinott> | |
| modified on 8 Nov 2013 | |
| by Scott Fitzgerald | |
| http://www.arduino.cc/en/Tutorial/Knob | |
| */ | |
| Servo myservo; // create servo object to control a servo | |
| int potpin = A0; // analog pin used to connect the potentiometer | |
| int val; // variable to read the value from the analog pin | |
| void setup() { | |
| myservo.attach(9); // attaches the servo on pin 9 to the servo object | |
| } | |
| void loop() { | |
| val = analogRead(potpin); // reads the value of the potentiometer (value between 0 and 1023) | |
| val = map(val, 0, 1023, 0, 180); // scale it for use with the servo (value between 0 and 180) | |
| myservo.write(val); // sets the servo position according to the scaled value | |
| delay(15); // waits for the servo to get there | |
| } | |