     char publishString[64];
 
     if (firstTime || ((now - lastReportMillis) >= SENSOR_REPORT_MS)) {
-        Serial.println("Reporting sensor data to server");
+        SERIAL.println("Reporting sensor data to server");
         
         snprintf(publishString, sizeof(publishString), "{\"tempF\": %.1f, \"humid\": %.1f}", currentTempF, currentHumid);
         Spark.publish("sensorData", publishString);

}

void setup() {
    Serial.begin(9600);

    pinMode(LED_PIN, OUTPUT);


            // Button press debounced
            if (isReporting) {
                digitalWrite(LED_PIN, HIGH);
                SERIAL.println("Reporting stopped!");
            } else {
                digitalWrite(LED_PIN, LOW);
                SERIAL.println("Reporting started!");
            }
            isReporting = !isReporting;
            buttonPressMillis = 0;
