Add submission # 6577

#6577

Author: ArduinoBot

registry.txt

@@ -8196,3 +8196,4 @@ https://github.com/Pius171/LTC2959-library.git|Contributed|LTC2959
 https://github.com/sensebox/SerialSDManager.git|Contributed|SerialSDManager
 https://github.com/edovis/TMP126.git|Contributed|TMP126
 https://github.com/X-croot/L298N-XCR.git|Contributed|L298N-XCR
+https://github.com/kkfranco98/FIR_Filters.git|Contributed|FIR_Filters