Add submission # 6674

#6674

Author: ArduinoBot

registry.txt

@@ -8277,3 +8277,4 @@ https://github.com/Zefek/MQTTESP8266.git|Contributed|MQTTESP8266
 https://github.com/aneesharnavch/microdsp.git|Contributed|microdsp
 https://github.com/muchaste/Ardoxy.git|Contributed|Ardoxy
 https://github.com/qqqlab/ESPnow-RC.git|Contributed|ESPnow-RC
+https://github.com/AntonioPrevitali/ApJSY333.git|Contributed|ApJSY333