Add submission # 4152

#4152

Author: ArduinoBot

registry.txt

@@ -6835,3 +6835,4 @@ https://github.com/cotestatnt/AgileStateMachine.git|Contributed|AgileStateMachin
 https://github.com/tdk-invn-oss/ultrasonic.arduino.ICUX0201.git|Contributed|ICUX0201
 https://github.com/dlyckelid/HDC2010.git|Contributed|HDC2010
 https://github.com/Sensirion/arduino-upt-i2c-auto-detection.git|Contributed|Sensirion UPT I2C Auto Detection
+https://github.com/PowerFeather/powerfeather-sdk.git|Contributed|PowerFeather-SDK