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authorJesse Morgan <jesse@jesterpm.net>2011-10-20 22:16:19 -0700
committerJesse Morgan <jesse@jesterpm.net>2011-10-20 22:16:19 -0700
commitfc944ff979dbbd49a57722fe2d1d2acf47312eb4 (patch)
tree38cc3a5c5c8f24f55068fc4ffa73d018169fc2df /libraries/Servo/examples/Knob
Inital commit... halfway through the project
Diffstat (limited to 'libraries/Servo/examples/Knob')
-rw-r--r--libraries/Servo/examples/Knob/Knob.pde22
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diff --git a/libraries/Servo/examples/Knob/Knob.pde b/libraries/Servo/examples/Knob/Knob.pde
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+++ 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
+}