Buetooth based stepper motor controller by arduino

Buetooth based stepper motor controller by arduino

The Stepper motor used here is a rusty old EPOCH (5 wires) stepper motor, which is a unipolar stepper.

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 Requiredments :

- Bluetooth Module ( for example : HC05 or HC06 )
- Jumper Cables

Checkout the video to know how the app control stepper motor

Source code for controlling stepper motor from android app:

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#include <AccelStepper.h>

AccelStepper stepper(AccelStepper::FULL2WIRE, 8, 9);

int spd = 1000;    // The current speed in steps/second
int sign = 1;      // Either 1, 0 or -1

void setup()
{ 
  Serial.begin(9600);
  stepper.setMaxSpeed(1000);
  stepper.setSpeed(1000);   
}

void loop()
{ 
  char c;
  if(Serial.available()) {
    c = Serial.read();
    if (c == 'f') {  // forward
      sign = 1;
    }
    if (c == 'r') {  // reverse
      sign = -1;
    }
    if (c == 's') {  // stop
      sign = 0;
    }
    if (c == '1') {  // super slow
      spd = 10;
    }
    if (c == '2') {  // slow
      spd = 100;
    }
    if (c == '3') {  // medium
      spd = 300;
    }
       if (c == '4') {  // Fast
      spd = 500;
    }
  
       if (c == '5') {  // medium
      spd = 700;
    }
  
       if (c == '6') {  // medium
      spd = 1000;
    }
    stepper.setSpeed(sign * spd);
  }
  stepper.runSpeed();
}

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