diff --git a/examples/sPSN_PingTest/sPSN_PingTest.ino b/examples/sPSN_PingTest/sPSN_PingTest.ino
index 6269e756ac4ce73385ab88df8f4beb380ad1ef3c..4bb09a1373fd646919ffbbe8ff022b66f869c12b 100644
--- a/examples/sPSN_PingTest/sPSN_PingTest.ino
+++ b/examples/sPSN_PingTest/sPSN_PingTest.ino
@@ -12,7 +12,7 @@
  * 
  * Arduino3: sPSN_PingTest.ino -> reagiert auf PongTester
  * 
- *date:  01.12.2021
+ *date:  04.07.2022
  */
 
 #include "Arduino.h"
@@ -51,7 +51,13 @@ char payloadSend[] = "Ping";
 bool ledState = true;
 
 void newData(char* topic, char* payload) {
-  Serial.println(payload);
+  if (!strcmp(payload, "Ping")){
+    Serial.print(payload);
+    Serial.print(" -> ");
+  } else{
+    Serial.print(payload);
+    Serial.println(" :-D");
+  } 
   digitalWrite(LED_BUILTIN, HIGH);
 }
 
@@ -61,6 +67,8 @@ void setup() {
   Serial.begin(SERIAL_BAUD);
   delay(2000);
 
+  //Verwende eigene Nummer als Sende- und Empfangstopic 
+  //(2-stellig mit führender 0)
   sprintf(topicPub, "%02d", MY_NUMBER);
   sprintf(topicSub, "%02d", MY_NUMBER);
 
diff --git a/examples/sPSN_PongTester/sPSN_PongTester.ino b/examples/sPSN_PongTester/sPSN_PongTester.ino
index 2eebc9ee99d3f2f45049a4c000dffe519018ca50..dd9166a8ad59347bedf01b93de7bcd70a1501042 100644
--- a/examples/sPSN_PongTester/sPSN_PongTester.ino
+++ b/examples/sPSN_PongTester/sPSN_PongTester.ino
@@ -13,7 +13,7 @@
  * 
  * Arduino3: sPSN_PingTest.ino -> reagiert auf PongTester
  * 
- *date:  01.12.2021
+ *date:  04.07.2022
  */
 
 #include "Arduino.h"
@@ -36,22 +36,14 @@ SoftwareSerial sSerial(10, 11);
 //Erzeuge Client-Instanz
 DidacticPSNetClient psnClient;
 
-//Arrays für Empfangs- und Sende Topic
-char topicSub[MAX_LEN_TOPICS] = "";
-char topicPub[MAX_LEN_TOPICS] = "";
-
-char payloadSend[] = "Pong";
-
-bool ledState = true;
+bool recievedPings[MAX_NR_CLIENTS+1] = {false};
+bool newPing = false;
 
 void newData(char* topic, char* payload) {
-  Serial.println(topic);
-  //reply pong
-  strcpy(topicPub, topic);
-  if (!strcmp(payload, "Ping")) { //Empfangene Nachricht == Ping
-    Serial.print(" ");
-    Serial.print(topic);
-    psnClient.publish(topicPub, payloadSend);
+  if (!strcmp(payload, "Ping") && (atoi(topic) <= MAX_NR_CLIENTS)) { //Empfangene Nachricht == Ping
+    recievedPings[atoi(topic)] = true;
+    newPing = true;
+    psnClient.publish(topic, "Pong");
   }
 }
 
@@ -77,9 +69,23 @@ void setup() {
 
   Serial.println("\n\nReady for Clients...");
 
+  
+
 }
 
 void loop() {
   //Verarbeiten der Daten, prüfen ob Netzwerk frei und versenden der Daten
   psnClient.handleNetwork();
+
+  if(newPing){
+    newPing = false;
+    Serial.print("Empfangene Clients: ");
+    for(int i = 0; i < MAX_NR_CLIENTS+1; i++){
+      if(recievedPings[i]){
+        Serial.print(i);
+        Serial.print(" | ");
+      }
+    }
+    Serial.println();
+  }
 }