       disable_fona();
       fona_enabled = enable_fona();
     }
-
+    
+#if SEND_SMS
     // Send message
     for (i = 0; i < NUM_RETRIES; i++) {
       if (fona.sendSMS(destination, buffer)) {

#include <avr/wdt.h> // Watchdog

#include "FreqCount.h"

// Interval between consecutive data sends (in seconds)
#define SEND_INTERVAL 60
#define NUM_RETRIES 5

// Defines to enable or disable sensors
#define HUMIDITY_SENSOR 0

const byte S3_EN = A7; // S3: pH sensor

// Conductivity sensor (EC) uses pin 47 and disables pins 9, 10, 44, 45, 46.

MPL3115A2 myPressure; // Create an instance of the pressure sensor
HTU21D myHumidity; // Create an instance of the humidity sensor
