[4 DOF Robot Arm Keyestudio][Lab 05][ATX-2] Gripper Switch Test

#include <ATX2.h>
#define SV4_OPEN_ANGLE 165
#define SV4_CLOSE_ANGLE 85
void setup(){
  OK();
  glcdClear();
  glcdMode(1);
  setTextSize(2);
  glcd(1,3,"Gripper");
  glcd(2,1,"Switch Test");
  setTextSize(4);
}
void loop(){
  if(in(28) == 0 && in(29) == 1)
  {
    servo(4, SV4_OPEN_ANGLE);
    setTextColor(GLCD_GREEN);
    glcd(2,1,"OPEN ");
  }
  else if(in(28) == 1 && in(29) == 0)
  {
    servo(4, SV4_CLOSE_ANGLE);
    setTextColor(GLCD_RED);
    glcd(2,1,"CLOSE");
  }
}