Add submission # 6587

#6587

Author: ArduinoBot

registry.txt

@@ -8205,3 +8205,4 @@ https://github.com/X-croot/RelayXCR.git|Contributed|RelayXCR
 https://github.com/X-croot/BuzzerXCR.git|Contributed|BuzzerXCR
 https://github.com/UnexpectedMaker/seriesd_arduino_helper.git|Contributed|UM SeriesD Helper
 https://github.com/X-croot/MQ135-XCR.git|Contributed|MQ135-XCR
+https://github.com/X-croot/LM35_XCR.git|Contributed|LM35_XCR