From 8c2b5b979a75d109ae7cc306afc50d7ffe1e0366 Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Wed, 4 Jan 2012 15:14:51 +0100
Subject: Moved libraries folder inside platform folder. Now libraries and
 examples are searched per board/platform

---
 libraries/Stepper/examples/MotorKnob/MotorKnob.ino | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 libraries/Stepper/examples/MotorKnob/MotorKnob.ino

(limited to 'libraries/Stepper/examples/MotorKnob')

diff --git a/libraries/Stepper/examples/MotorKnob/MotorKnob.ino b/libraries/Stepper/examples/MotorKnob/MotorKnob.ino
new file mode 100644
index 0000000..d428186
--- /dev/null
+++ b/libraries/Stepper/examples/MotorKnob/MotorKnob.ino
@@ -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
-- 
cgit v1.2.3-18-g5258