Big easy stepper driver - motor not changing direction.

Other Hardware Motors, Mechanics, Power and CNC
1

Im trying to do set up like this :

...with one stepper motor like this :

Im sure its alle wired up corectly but its not changing direction when I run the program-
The only way I can change direction is to change the wires around on one of the coils.
But I cant get the program to do it.

Im sure this is a very stupid question - sorry - I just started.

2

Sjakob:
Im sure its alle wired up corectly but its not changing direction when I run the program-

Does that mean that you're reverse the counting in the program or what?
one direction: 00, 01, 11, 10,...
other direction: 00, 10, 11, 01,...

3

BigEasyDriver has a step/dir two wire interface.

OP, what program are you using to drive it?

4

Im using this sketch :
#include <AccelStepper.h>

// Define a stepper and the pins it will use
AccelStepper stepper(1, 9, 8 );

int pos = 3600;

void setup()
{
stepper.setMaxSpeed(3000);
stepper.setAcceleration(1000);
}

void loop()
{
if (stepper.distanceToGo() == 0)
{
delay(500);
pos = -pos;
stepper.moveTo(pos);
}
stepper.run();
}

Witch is suposed to make the motor go back and forth. But it runs the same way - pauses and go same direction.
I do have step and direction pins conectet to 8 and 9 on the arduino.

5

I don't know anything about that AccelStepper library.
Any details?
Either way, I would check (voltmeter) the "step" and "dir" pins' status and connection.

6

ok. I will try that. Its the same with this sketch :

int Distance = 0; // Record the number of steps we've taken

void setup() {
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
digitalWrite(8, LOW);
digitalWrite(9, LOW);
}

void loop() {
digitalWrite(9, HIGH);
delayMicroseconds(100);
digitalWrite(9, LOW);
delayMicroseconds(100);
Distance = Distance + 1; // record this step

// Check to see if we are at the end of our move
if (Distance == 3600)
{
// We are! Reverse direction (invert DIR signal)
if (digitalRead(8) == LOW)
{
digitalWrite(8, HIGH);
}
else
{
digitalWrite(8, LOW);
}
// Reset our distance back to zero since we're
// starting a new move
Distance = 0;
// Now pause for half a second
delay(500);
}
}

I tried with another motor and its the same - so you are prop right. Must be the wires.