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diff --git a/solarpump/soundTest/soundFilesNumber.h b/solarpump/soundTest/soundFilesNumber.h
deleted file mode 100644
index 20c779ef3a19302b2642913c2ae16766dc693d3e..0000000000000000000000000000000000000000
--- a/solarpump/soundTest/soundFilesNumber.h
+++ /dev/null
@@ -1,44 +0,0 @@
-#ifndef soundFilesNumber_h
-#define soundFilesNumber_h
-
-// index for the sound files for mp3 module TDB380
-#define SOUND_NULL            33  // A033.wav
-#define SOUND_EIN             1   // A001.wav
-#define SOUND_EINS            44  // A044.wav
-#define SOUND_ZWEI            2   // A002.wav
-#define SOUND_DREI            3   // A003.wav
-#define SOUND_VIER            4   // A004.wav
-#define SOUND_FUNF            5   // A005.wav
-#define SOUND_SECHS           6   // A006.wav
-#define SOUND_SIEBEN          7   // A007.wav
-#define SOUND_ACHT            8   // A008.wav
-#define SOUND_NEUN            9   // A009.wav
-#define SOUND_ZEHN            10  // A010.wav
-#define SOUND_ELF             11  // A011.wav
-#define SOUND_ZWOLF           12  // A012.wav
-#define SOUND_ZWANZIG         20  // A020.wav
-#define SOUND_DREISSIG        30  // A030.wav
-#define SOUND_VIERZIG         40  // A040.wav
-#define SOUND_FUNFZIG         50  // A050.wav
-#define SOUND_SECHZIG         60  // A060.wav
-#define SOUND_SIEBZIG         70  // A070.wav
-#define SOUND_ACHTZIG         80  // A080.wav
-#define SOUND_NEUNZIG         90  // A090.wav
-#define SOUND_HUNDERT         13  // A013.wav
-#define SOUND_FEHLER          15  // A015.wav
-#define SOUND_CELSIUS         16  // A016.wav
-#define SOUND_HOCHSTER_WERT   17  // A017.wav
-#define SOUND_KLEINSTER_WERT  23  // A023.wav
-#define SOUND_KOMMA           19  // A019.wav
-#define SOUND_MINUS           21  // A021.wav
-#define SOUND_NEUSTART        22  // A022.wav
-#define SOUND_OBEN            24  // A024.wav
-#define SOUND_UNTEN           28  // A028.wav
-#define SOUND_PUMPE           25  // A025.wav
-#define SOUND_TEMPERATURE     26  // A026.wav
-#define SOUND_UND             27  // A027.wav
-#define SOUND_AN              31  // A031.wav
-#define SOUND_AUS             32  // A032.wav
-
-
-#endif
diff --git a/solarpump/soundTest/soundTest.ino b/solarpump/soundTest/soundTest.ino
deleted file mode 100644
index 73fb7ee1c23a26338504a5c5024c09e3859608fe..0000000000000000000000000000000000000000
--- a/solarpump/soundTest/soundTest.ino
+++ /dev/null
@@ -1,187 +0,0 @@
-#include "soundFilesNumber.h"
-#include <SoftwareSerial.h>
-
-#define TX 12
-#define RX 13
-
-SoftwareSerial mp3(RX, TX); // RX, TX
-
-void setup() {
-  // put your setup code here, to run once:
-  mp3.begin(4800);
-  //mp3.sendCommand(CMD_SEL_DEV, 0, 2);  //select sd-card
-  mp3.print(0xEF);
-  delay(1000);
-  mp3.write(SOUND_NEUSTART);
-  delay(1000);
-}
-
-void loop() {
-  // put your main code here, to run repeatedly:
-  sayDigit(5);
-  delay(2000);
-  sayNumber(23);
-  delay(2000);
-  sayNumber(12.3452, 2);
-  delay(2000);
-  mp3.write(SOUND_TEMPERATURE);
-  delay(2000);
-  mp3.write(SOUND_NEUSTART);
-  delay(2000);
-}
-
-
-// says the digit
-static void sayDigit(int8_t number) {
-  switch (number) {
-      case 0:
-        mp3.write(SOUND_NULL);
-        break;
-      case 1:
-        mp3.write(SOUND_EINS);
-        break;
-      case 2:
-        mp3.write(SOUND_ZWEI);
-        break;
-      case 3:
-        mp3.write(SOUND_DREI);
-        break;
-      case 4:
-        mp3.write(SOUND_VIER);
-        break;
-      case 5:
-        mp3.write(SOUND_FUNF);
-        break;
-      case 6:
-        mp3.write(SOUND_SECHS);
-        break;
-      case 7:
-        mp3.write(SOUND_SIEBEN);
-        break;
-      case 8:
-        mp3.write(SOUND_ACHT);
-        break;
-      case 9:
-        mp3.write(SOUND_NEUN);
-        break;
-      default:
-        break;
-    }
-}
-
-// Same as sayNumber(int32_t n) only for 1 it says EIN instead of EINS.
-static void sayPreNumber(int32_t number) {
-	if (number == 1)
-		mp3.write(SOUND_EIN);
-	else
-		sayNumber(number);
-}
-
-// Same as sayNumber(int32_t n) only for 0 it does nothing
-static void sayAftNumber(int32_t number) {
-	if (number)
-		sayNumber(number);
-}
-
-// say integer number
-static void sayNumber(int32_t number) {
-	// Negative numbers are spoken the same way as positive numbers only with "Minus" at the beginning.
-	if (number < 0) {
-    mp3.write(SOUND_MINUS);
-		sayNumber(-number);
-	// 1-digit numbers
-	} else if (number < 10) {
-		sayDigit(number);
-	// 2-digit numbers
-	} else if (number < 100) {
-		// extra cases for 11 and 12
-		switch (number) {
-			case 11:
-        mp3.write(SOUND_ELF);
-				break;
-			case 12:
-        mp3.write(SOUND_ZWOLF);
-				break;
-			default:
-				// German specific: Say the 1-digit first, then the 10-digit
-				int32_t tens = number / 10;
-				int32_t ones = number - 10 * tens;
-				// first say the 1-digit
-				if (ones) {
-					sayPreNumber(ones);
-					// UND only for numbers > 20. (VierUNDzwanzig, but not VierUNDzehn.)
-					if (tens >= 2)
-            mp3.write(SOUND_UND);
-				}
-				// then say the 10-digit
-				switch (tens) {
-					case 1:
-						mp3.write(SOUND_ZEHN);
-						break;
-					case 2:
-						mp3.write(SOUND_ZWANZIG);
-						break;
-					case 3:
-						mp3.write(SOUND_DREISSIG);
-						break;
-					case 4:
-						mp3.write(SOUND_VIERZIG);
-						break;
-					case 5:
-						mp3.write(SOUND_FUNFZIG);
-						break;
-					case 6:
-						mp3.write(SOUND_SECHZIG);
-						break;
-					case 7:
-						mp3.write(SOUND_SIEBZIG);
-						break;
-					case 8:
-						mp3.write(SOUND_ACHTZIG);
-						break;
-					case 9:
-						mp3.write(SOUND_NEUNZIG);
-						break;
-					default:
-						break;
-				}
-				break;
-		}
-	// 3-digit numbers
-	} else {
-		int32_t hundreds = number / 100;
-		sayPreNumber(hundreds);
-		mp3.write(SOUND_HUNDERT);
-		sayAftNumber(number - 100 * hundreds);
-    }
-}
-
-/*
- * Say any number in the int-range between -999999 and 999999 (in German)
- * double n: The number to say 
- * uint8_t roundDigits: How many digits after the comma should be said (last one will get rounded)
- * Example: sayNumber(34.236, 2) will say "Vierunddreißig Komma Zwei Vier"
- */
-static void sayNumber(double number, uint8_t roundDigits) {
-	// do the rounding at the correct digit
-	number = round(number * pow(10, roundDigits)) / pow(10, roundDigits);
-	// say the pre-decimal digits
-	int32_t int_n = (int32_t)number;
-	sayNumber(int_n);
-	// say the decimals
-	if (roundDigits) {
-		number = abs(number - int_n);
-		mp3.write(SOUND_KOMMA);
-		for (int8_t digit = 1; digit <= roundDigits; ++digit) {
-			double d_newDigit = number * pow(10, digit) - 10 * (int32_t)(number * pow(10, digit-1));
-			int8_t newDigit;
-			// round correctly for the last digit
-			if (digit == roundDigits)
-				newDigit = (int8_t)round(d_newDigit);
-			else
-				newDigit = (int8_t)d_newDigit;
-			sayDigit(newDigit);
-		}
-	}
-}
-