tutorial-service-serial.md

+### Configuration
+![image](/uploads/ed7d0fe8eb5249925146f35f441d4ceb/image.png)
+
+### Permissions
+![image](/uploads/4751899eaedcc141609ae90caf11c69c/image.png)
+
+### Addresses
+![image](/uploads/65806d62fa3862fe09d028febbeb43de/image.png)
+
+### Error solving
+To unlock a serial port after it has been initialized once you have to remove the lock-File as following:
+![image](/uploads/4cb2248780173b93b826e0527d81db3c/image.png)
+
+### Encrypted Ping Pong Test via Serial
+#### Sender
+![image](/uploads/80dfea729629d2407bb8e13a79e5213b/image.png)
+
+#### Receiver
+![image](/uploads/3db1bc0ab510eb63963afa0f5a1dc8f8/image.png)
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