diff options
author | Cristian Maglie <c.maglie@bug.st> | 2012-01-04 15:14:51 +0100 |
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committer | Cristian Maglie <c.maglie@bug.st> | 2012-01-04 15:14:51 +0100 |
commit | 8c2b5b979a75d109ae7cc306afc50d7ffe1e0366 (patch) | |
tree | 19ac8d91c7209397e7dc890b432a254ae9a7cd62 /libraries/Stepper/examples/stepper_speedControl | |
parent | be52c95820400d48e47615232d3c38236166fad3 (diff) |
Moved libraries folder inside platform folder. Now libraries and examples are searched per board/platform
Diffstat (limited to 'libraries/Stepper/examples/stepper_speedControl')
-rw-r--r-- | libraries/Stepper/examples/stepper_speedControl/stepper_speedControl.ino | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libraries/Stepper/examples/stepper_speedControl/stepper_speedControl.ino b/libraries/Stepper/examples/stepper_speedControl/stepper_speedControl.ino new file mode 100644 index 0000000..dbd0f7f --- /dev/null +++ b/libraries/Stepper/examples/stepper_speedControl/stepper_speedControl.ino @@ -0,0 +1,49 @@ + +/* + Stepper Motor Control - speed control + + This program drives a unipolar or bipolar stepper motor. + The motor is attached to digital pins 8 - 11 of the Arduino. + A potentiometer is connected to analog input 0. + + The motor will rotate in a clockwise direction. The higher the potentiometer value, + the faster the motor speed. Because setSpeed() sets the delay between steps, + you may notice the motor is less responsive to changes in the sensor value at + low speeds. + + Created 30 Nov. 2009 + Modified 28 Oct 2010 + by Tom Igoe + + */ + +#include <Stepper.h> + +const int stepsPerRevolution = 200; // change this to fit the number of steps per revolution +// for your motor + + +// initialize the stepper library on pins 8 through 11: +Stepper myStepper(stepsPerRevolution, 8,9,10,11); + +int stepCount = 0; // number of steps the motor has taken + +void setup() { + // initialize the serial port: + Serial.begin(9600); +} + +void loop() { + // read the sensor value: + int sensorReading = analogRead(A0); + // map it to a range from 0 to 100: + int motorSpeed = map(sensorReading, 0, 1023, 0, 100); + // set the motor speed: + if (motorSpeed > 0) { + myStepper.setSpeed(motorSpeed); + // step 1/100 of a revolution: + myStepper.step(stepsPerRevolution/100); + } +} + + |