diff options
author | David A. Mellis <d.mellis@arduino.cc> | 2007-10-06 13:04:46 +0000 |
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committer | David A. Mellis <d.mellis@arduino.cc> | 2007-10-06 13:04:46 +0000 |
commit | 9e48dfc4fd53a2bc53367568077fbea44f88eda2 (patch) | |
tree | 356854e8239e0f0676bcf6105b7ea6a53cb9a880 /libraries/Stepper/examples | |
parent | 179fcdbda432ff33a921a70994087b08b2a79caa (diff) |
Moving libraries out from inside targets and creating bootloaders directory.
Diffstat (limited to 'libraries/Stepper/examples')
-rw-r--r-- | libraries/Stepper/examples/MotorKnob/MotorKnob.pde | 40 |
1 files changed, 40 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..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 <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; +}
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