The 3D Printed Marble Machine 3 stepper mod 28byj-48 by melb model
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The 3D Printed Marble Machine 3 stepper mod 28byj-48 by melb

The 3D Printed Marble Machine 3 stepper mod 28byj-48 by melb

by Thingiverse
Last crawled date: 3 years, 1 month ago
This is a mod for The 3D Printed Marble Machine 3 by Tulio with a 28byj-48 stepper motor instead of the manual lift of the balls.
arduino Library : http://www.airspayce.com/mikem/arduino/AccelStepper/
arduino code:
#include
#define HALFSTEP 8

// Motor pin definitions
#define motorPin1 3 // IN1 on the ULN2003 driver 1
#define motorPin2 4 // IN2 on the ULN2003 driver 1
#define motorPin3 5 // IN3 on the ULN2003 driver 1
#define motorPin4 6 // IN4 on the ULN2003 driver 1

// Initialize with pin sequence IN1-IN3-IN2-IN4 for using the AccelStepper with 28BYJ-48
AccelStepper stepper1(HALFSTEP, motorPin1, motorPin3, motorPin2, motorPin4);

void setup()
{
stepper1.setMaxSpeed(2000);
stepper1.setSpeed(-1100);
}

void loop()
{
stepper1.runSpeed();
}

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