 
 ////////////////////////////////////////////////////
 
+// arduinos sleep in up to 8 second chunks
+#define ARDUINO_SLEEP trunc(SLEEP_SECONDS/8)
 
 // doing this so can easily
 // add ESP32 etc in one place

  sleep_enable();

  /* Now enter sleep mode. */
  Serial.println("going to sleep");
  delay(100); // let serial write
  sleep_mode();


// pins, etc
//
#define BME280_TEMP_OFFSET 0
#define SLEEP_SECONDS 32
#define OLED_RESET 0
#define BME_ADDRESS 0x76
#define LCD_ADDRESS 0x27
