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Diffstat (limited to 'libraries/Stepper/examples')
4 files changed, 177 insertions, 0 deletions
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 diff --git a/libraries/Stepper/examples/stepper_oneRevolution/stepper_oneRevolution.ino b/libraries/Stepper/examples/stepper_oneRevolution/stepper_oneRevolution.ino new file mode 100644 index 0000000..2dbb57d --- /dev/null +++ b/libraries/Stepper/examples/stepper_oneRevolution/stepper_oneRevolution.ino @@ -0,0 +1,44 @@ + +/* + Stepper Motor Control - one revolution + + This program drives a unipolar or bipolar stepper motor. + The motor is attached to digital pins 8 - 11 of the Arduino. + + The motor should revolve one revolution in one direction, then + one revolution in the other direction. + + + Created 11 Mar. 2007 + Modified 30 Nov. 2009 + 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); + +void setup() { + // set the speed at 60 rpm: + myStepper.setSpeed(60); + // initialize the serial port: + Serial.begin(9600); +} + +void loop() { + // step one revolution in one direction: + Serial.println("clockwise"); + myStepper.step(stepsPerRevolution); + delay(500); + + // step one revolution in the other direction: + Serial.println("counterclockwise"); + myStepper.step(-stepsPerRevolution); + delay(500); +} + diff --git a/libraries/Stepper/examples/stepper_oneStepAtATime/stepper_oneStepAtATime.ino b/libraries/Stepper/examples/stepper_oneStepAtATime/stepper_oneStepAtATime.ino new file mode 100644 index 0000000..36d3299 --- /dev/null +++ b/libraries/Stepper/examples/stepper_oneStepAtATime/stepper_oneStepAtATime.ino @@ -0,0 +1,44 @@ + +/* + Stepper Motor Control - one step at a time + + This program drives a unipolar or bipolar stepper motor. + The motor is attached to digital pins 8 - 11 of the Arduino. + + The motor will step one step at a time, very slowly. You can use this to + test that you've got the four wires of your stepper wired to the correct + pins. If wired correctly, all steps should be in the same direction. + + Use this also to count the number of steps per revolution of your motor, + if you don't know it. Then plug that number into the oneRevolution + example to see if you got it right. + + Created 30 Nov. 2009 + 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() { + // step one step: + myStepper.step(1); + Serial.print("steps:" ); + Serial.println(stepCount); + stepCount++; + delay(500); +} + 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..1a67a55 --- /dev/null +++ b/libraries/Stepper/examples/stepper_speedControl/stepper_speedControl.ino @@ -0,0 +1,48 @@ + +/* + 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() { + // nothing to do inside the setup +} + +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); + } +} + + |