Add submission # 3712

#3712

Author: ArduinoBot

registry.txt

@@ -6558,3 +6558,4 @@ https://github.com/eloquentarduino/EloquentTensorFlow32.git|Contributed|Eloquent
 https://github.com/arduino279/Servo-Motor-Module.git|Contributed|Servo_Motor_Module
 https://github.com/rnrobles/esc-thermal-printer-ble.git|Contributed|ESC Thermal Printer BLE
 https://github.com/DCC-EX/DCCEXProtocol.git|Contributed|DCCEXProtocol
+https://github.com/ArtronShop/ATD3.5-S3_Library.git|Contributed|ATD3.5-S3