   // radio begin to power down : 80 ms
   radio.begin();
   //radio.enableDynamicPayloads();
-  // default is on
+  // setAutoAck default is on
   //radio.setAutoAck(1);
   radio.setRetries(15, 15);
   radio.setPALevel(RF24_PA_LOW);


  if ( payload.volt > 5000 || payload.volt <= 0 ) {
    sleep();
    abort();
  }

  if ( payload.humi < 0 ) {
    sleep();
    abort();
  }


  radio.powerUp();
  radio.write(&payload , sizeof(payload));
  yield();
  //delay(100);
  radio.powerDown();
  unsigned long stopmilis = millis();

  payload.humi = ( stopmilis - startmilis ) * 10 ;
  //payload._salt++;
  sleep();
}



  if (isnan(tempCoutside) || tempCoutside < -50 || tempCoutside > 50 ) {
    sleep();
    return();
  }

  payload.temp = tempCoutside * 10 ;
