4WD with XY-joystick and L293D issue

[johnwasser]

@naneki

  // Y-axis used for forward and backward control
  if (yAxis < 470) {
.
.
.
  }
    else if (yAxis > 550) {
.
.
.
   }

@johnwasser

Add a second 'else' to turn the motors off (.setSpeed(0)).

Give it a try.