36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
/*Example sketch to control a stepper motor with DRV8825 stepper motor driver, AccelStepper library and Arduino: number of steps or revolutions. More info: https://www.makerguides.com */
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// Include the AccelStepper library:
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#include <AccelStepper.h>
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// Define stepper motor connections and motor interface type. Motor interface type must be set to 1 when using a driver:
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#define dirPin 2
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#define stepPin 3
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#define motorInterfaceType 1
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#define microStepsFactor 4
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// Create a new instance of the AccelStepper class:
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AccelStepper stepper = AccelStepper(motorInterfaceType, stepPin, dirPin);
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int dir = 1;
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void setup() {
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// Set the maximum speed in steps per second:
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stepper.setMaxSpeed(1000*microStepsFactor);
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}
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void loop() {
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// Set the current position to 0:
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stepper.setCurrentPosition(0);
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int revs = random(1,5);
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dir = -dir;
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// Run the motor forward at 200 steps/second until the motor reaches 400 steps (2 revolutions):
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while(stepper.currentPosition() != 200 * microStepsFactor * revs * dir) {
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stepper.setSpeed(1000 * microStepsFactor * dir);
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stepper.runSpeed();
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}
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delay(200);
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}
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