arduino stuffs
Diffstat (limited to 'libraries/Servo/examples/Knob/Knob.ino')
| -rw-r--r-- | libraries/Servo/examples/Knob/Knob.ino | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libraries/Servo/examples/Knob/Knob.ino b/libraries/Servo/examples/Knob/Knob.ino new file mode 100644 index 0000000..0015a46 --- /dev/null +++ b/libraries/Servo/examples/Knob/Knob.ino @@ -0,0 +1,26 @@ +/* + 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 +*/ + +#include <Servo.h> + +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 +} |