 	Serial.begin(9600);
 	myStepper.begin();
 	myStepper.SilentStepStick2130(1000);
-	digitalWrite(EN_PIN, LOW);
+	digitalWrite(pinEN, LOW);
 	Serial.println("Setup ready");
 }
 

float hold_x = 0.5;

#include <TMC2130Stepper.h>
TMC2130Stepper myStepper = TMC2130Stepper(EN_PIN, DIR_PIN, STEP_PIN, CS_PIN);

void serialTuple(String cmd, int arg) {
	Serial.print("Received command: ");

		if (cmd == "run") {
			serialTuple("run", arg);
			running = arg;
		}
		else if (cmd == "speed") {
			serialTuple("speed", arg);
