Add submission # 4547

#4547

Author: ArduinoBot

registry.txt

@@ -7053,3 +7053,5 @@ https://github.com/gadaman-rm/ESP_MultiWiFi.git|Contributed|ESP_MultiWiFi
 https://github.com/CIRCUITSTATE/CSE_CircularBuffer.git|Contributed|CSE_CircularBuffer
 https://github.com/boodskap/ArduinoDigitalTwin.git|Contributed|Boodskap IoT Digital Twin library
 https://github.com/adafruit/Adafruit_HX711.git|Recommended|Adafruit HX711
+https://github.com/Narwhalsss360/NStreamCom-arduino.git|Contributed|NStreamCom
+https://github.com/Narwhalsss360/PinMatrix.git|Contributed|PinMatrix