Add submission # 4155

#4155

Author: ArduinoBot

registry.txt

@@ -6838,3 +6838,4 @@ https://github.com/Sensirion/arduino-upt-i2c-auto-detection.git|Contributed|Sens
 https://github.com/PowerFeather/powerfeather-sdk.git|Contributed|PowerFeather-SDK
 https://github.com/bonezegei/Bonezegei_ULN2003_Stepper.git|Contributed|Bonezegei_ULN2003_Stepper
 https://github.com/AdvancerTechnologies/MyoWare-Arduino-Library.git|Contributed|MyoWare Arduino Library
+https://github.com/bonezegei/Bonezegei_PCA9685.git|Contributed|Bonezegei_PCA9685