From 9e48dfc4fd53a2bc53367568077fbea44f88eda2 Mon Sep 17 00:00:00 2001 From: "David A. Mellis" Date: Sat, 6 Oct 2007 13:04:46 +0000 Subject: Moving libraries out from inside targets and creating bootloaders directory. --- libraries/Stepper/examples/MotorKnob/MotorKnob.pde | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 libraries/Stepper/examples/MotorKnob/MotorKnob.pde (limited to 'libraries/Stepper/examples') diff --git a/libraries/Stepper/examples/MotorKnob/MotorKnob.pde b/libraries/Stepper/examples/MotorKnob/MotorKnob.pde new file mode 100644 index 0000000..062cac9 --- /dev/null +++ b/libraries/Stepper/examples/MotorKnob/MotorKnob.pde @@ -0,0 +1,40 @@ +/* + * MotorKnob + * + * A stepper motor follows the turns of a potentiometer + * (or other sensor) on analog input 0. + * + * http://www.arduino.cc/en/Reference/Stepper + */ + +#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