From 8c2b5b979a75d109ae7cc306afc50d7ffe1e0366 Mon Sep 17 00:00:00 2001 From: Cristian Maglie 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 + +// 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