256 Microsteps / TMC 2208

Using Arduino Motors, Mechanics, Power and CNC
1

Hi!

I am using a very very simple piece of code to control a nema 17 with a TMC 2208. The only reason why I have chosen this driver is because it is quieter. I dont need it to do anything special, I just need it to turn.

#include <AccelStepper.h>

#define EN_PIN    5  // LOW: Driver enabled. HIGH: Driver disabled

const int MS1 = 3; 
const int MS2 = 4;

const int dirPin = 7;
const int stepPin = 6;


AccelStepper stepper(AccelStepper::DRIVER, stepPin, dirPin);


void setup() {
  pinMode(EN_PIN, OUTPUT);
  pinMode(MS1,OUTPUT);
  pinMode(MS2,OUTPUT);

  digitalWrite(EN_PIN, LOW);    // Enable driver in hardware
  digitalWrite(MS1,HIGH); 
  digitalWrite(MS2,HIGH); 
  
  stepper.setMaxSpeed(900);
  stepper.setSpeed(90);
}

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

Now I know that it could run event smoother, if I enable UART mode and make it run with 256 microsteps. Do I only need to solder these J2 pads (as explained in the manual) or do I need to do something else? It is not clear to me.

I have found extensive information and tutorials about these drivers and how to configure them, but I have no knowledge about these things and they overwhelm me completely. Perhaos there is a very simple explanation for my very simple piece of code?

Thank you in advance

2

Hello @camilozk ,

I deleted your identical reply to another topic, please do not add your questions to the end of other topics, and do not ask the same question twice because it wastes the time of the volunteer who contribute to this forum. Please read the forum guide:

Thank you.

3

I understand. Thank you

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4

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