Add submission # 4271

#4271

Author: ArduinoBot

registry.txt

@@ -6921,3 +6921,4 @@ https://github.com/pervu/FIFObuf.git|Contributed|FIFObuf
 https://github.com/bitcode-tech/bc7215.git|Contributed|IR-infrared Remote Control Decoder-Simulator
 https://github.com/siroshy/SerialTerminalIO.git|Contributed|SerialTerminalIO
 https://github.com/cygig/AlmostRandom.git|Contributed|AlmostRandom
+https://github.com/Amethyste-PCB/Amethyste_LSM6DS3.git|Contributed|Amethyste_LSM6DS3