diff options
| author | Jesse Morgan <jesse@jesterpm.net> | 2011-10-20 22:16:19 -0700 |
|---|---|---|
| committer | Jesse Morgan <jesse@jesterpm.net> | 2011-10-20 22:16:19 -0700 |
| commit | fc944ff979dbbd49a57722fe2d1d2acf47312eb4 (patch) | |
| tree | 38cc3a5c5c8f24f55068fc4ffa73d018169fc2df /libraries/Stepper/examples/MotorKnob/MotorKnob.pde | |
Inital commit... halfway through the project
Diffstat (limited to 'libraries/Stepper/examples/MotorKnob/MotorKnob.pde')
| -rw-r--r-- | libraries/Stepper/examples/MotorKnob/MotorKnob.pde | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libraries/Stepper/examples/MotorKnob/MotorKnob.pde b/libraries/Stepper/examples/MotorKnob/MotorKnob.pde new file mode 100644 index 0000000..f4d63e1 --- /dev/null +++ b/libraries/Stepper/examples/MotorKnob/MotorKnob.pde @@ -0,0 +1,41 @@ +/*
+ * MotorKnob
+ *
+ * A stepper motor follows the turns of a potentiometer
+ * (or other sensor) on analog input 0.
+ *
+ * http://www.arduino.cc/en/Reference/Stepper
+ * This example code is in the public domain.
+ */
+
+#include <Stepper.h>
+
+// change this to the number of steps on your motor
+#define STEPS 100
+
+// create an instance of the stepper class, specifying
+// the number of steps of the motor and the pins it's
+// attached to
+Stepper stepper(STEPS, 8, 9, 10, 11);
+
+// the previous reading from the analog input
+int previous = 0;
+
+void setup()
+{
+ // set the speed of the motor to 30 RPMs
+ stepper.setSpeed(30);
+}
+
+void loop()
+{
+ // get the sensor value
+ int val = analogRead(0);
+
+ // move a number of steps equal to the change in the
+ // sensor reading
+ stepper.step(val - previous);
+
+ // remember the previous value of the sensor
+ previous = val;
+}
\ No newline at end of file |