Add submission # 6507

#6507

Author: ArduinoBot

registry.txt

@@ -8258,3 +8258,4 @@ https://github.com/joshua-8/HCSRO4_attachInterrupt.git|Contributed|HCSRO4_attach
 https://github.com/RobTillaart/TCRT5000.git|Contributed|TCRT5000
 https://github.com/Circuit-Digest/GeoLinkerLite.git|Contributed|GeoLinker Lite
 https://github.com/aiplayuser/esp8266easylib.git|Contributed|esp8266easylib
+https://github.com/mcmchris/mcm-atm90e32-lib.git|Contributed|MCM_ATM90E32