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authorThibaut VIARD <thibaut.viard@atmel.com>2011-06-21 00:20:43 +0200
committerThibaut VIARD <thibaut.viard@atmel.com>2011-06-21 00:20:43 +0200
commit0887b98f627500271b5ad8b3c4f6c7b90bc227ee (patch)
treeef8626954567ba22e392c68c8f3606416b07b5b5 /libraries/Servo/examples/Knob
parent90c487402cefadb6a2aab907ab07075cbb759e34 (diff)
Moving all AVR specific libraries to hardware/avr
Diffstat (limited to 'libraries/Servo/examples/Knob')
-rw-r--r--libraries/Servo/examples/Knob/Knob.pde22
1 files changed, 22 insertions, 0 deletions
diff --git a/libraries/Servo/examples/Knob/Knob.pde b/libraries/Servo/examples/Knob/Knob.pde
new file mode 100644
index 0000000..886e107
--- /dev/null
+++ b/libraries/Servo/examples/Knob/Knob.pde
@@ -0,0 +1,22 @@
+// 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
+}