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authorDavid A. Mellis <d.mellis@arduino.cc>2008-05-07 22:15:55 +0000
committerDavid A. Mellis <d.mellis@arduino.cc>2008-05-07 22:15:55 +0000
commit5fa29a57bec20439e386824e4b1896a68e1c9e1d (patch)
tree6254c32042102e4ecb21d1a2729a26332e0df3b4 /libraries/Servo/examples/Knob/Knob.pde
parentd98fdd989fcc598401e89e5095cfcdce3baff9b8 (diff)
Adding a couple of Servo examples from Wiring (slightly modified).
Diffstat (limited to 'libraries/Servo/examples/Knob/Knob.pde')
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diff --git a/libraries/Servo/examples/Knob/Knob.pde b/libraries/Servo/examples/Knob/Knob.pde
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+// Controlling a servo position using a potentiometer (variable resistor)
+// by Michal Rinott <http://people.interaction-ivrea.it/m.rinott>
+
+#include <Servo.h>
+
+Servo myservo; // create servo object to control a servo
+
+int potpin = 0; // 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, 179); // scale it to use it 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
+}