Add submission # 6462

#6462

Author: ArduinoBot

registry.txt

@@ -8229,3 +8229,4 @@ https://github.com/llcesselx/lcd595.git|Contributed|LCD595-ISU
 https://github.com/CurtoLab/miniMachine.git|Contributed|miniMachineBLE
 https://github.com/G1OJS/G1OJS_Tiny_Si5351_CLK0.git|Contributed|G1OJS_Tiny_Si5351_CLK0
 https://github.com/EatingJan1/NeoPixel-Animation-lib.git|Contributed|NeoPixel-Animation-lib
+https://github.com/kkfranco98/QuickSerial.git|Contributed|QuickSerial