minimum refactor

temp_sensor_sdcard_rtc/temp_sensor_sdcard_rtc.ino

@@ -41,11 +41,9 @@ void visualize(float h, float t, String data) {
     Serial.println("");
 
     Serial.print("dataString:");
-    Serial.println(dataString + "\n");
+    Serial.println(data + "\n");
 }
-
-
-void loop() {
+void getAndWrite(){
     float h = dht.readHumidity();
     float t = dht.readTemperature();
     double unixTime = rtc.getUnixTime(rtc.getTime());
@@ -59,5 +57,11 @@ void loop() {
 
     visualize(h, t, dataString);
     writeSD(dataString);
+  
+}
+
+
+void loop() {
+    getAndWrite();
     delay(5000);
 }