 // 1 : mid
 // 2 : high
 // 3 : rotate
+
+const int AC_FLOW_TOWER[4] = {0, 4, 6, 12};
+const int AC_FLOW_WALL[4]  = {0, 2, 4, 5};
+
 
 int AC_AIR_ACLEAN  = 0;
 // 0 : off


IRsend irsend;

// IR 
// D3 is out
const int AC_TYPE  = 0;
// 0 : TOWER
// 1 : WALL

  int AC_MSBITS4 = 0;
  int AC_MSBITS5 = temperature - 15;
  int AC_MSBITS6 ;
  
  if ( AC_TYPE == 0) { 
    AC_MSBITS6 = AC_FLOW_TOWER[air_flow];
  } else {
    AC_MSBITS6 = AC_FLOW_WALL[air_flow];
  }

/*
  if ( AC_TYPE == 0) {
    if ( air_flow == 0 ) {
      AC_MSBITS6 = 0;
