 
 // IR
 volatile int sleepmode = LOW ;
-volatile int o_sleepmode = LOW ;
+volatile int o_sleepmode = HIGH ;
 
 // ------------------------------------------
 

void ac_send_code(unsigned long code)
{
  Serial.print("code to send : ");
  Serial.print(code, BIN);
  Serial.print(" : ");
  Serial.println(code, HEX);

  irsend.sendLGAC(code, 28);
  delay(20);
  irrecv.enableIRIn(); // Start the receiver
 }

void ac_activate(int temperature, int air_flow)
{

// 0 : off
// 1 : on --> power on

volatile int AC_TEMPERATURE = 27;
// temperature : 18 ~ 30

volatile int AC_FLOW        = 0;
// 0 : low
// 1 : mid
// 2 : high
