Add submission # 1186

#1186

Author: ArduinoBot

registry.txt

@@ -4829,3 +4829,4 @@ https://github.com/BeanieBob/GY26Compass.git|Contributed|GY26Compass
 https://github.com/kousheekc/Kinematics.git|Contributed|Kinematics
 https://github.com/khoih-prog/AsyncMQTT_Generic.git|Contributed|AsyncMQTT_Generic
 https://github.com/xreef/EByte_LoRa_E220_Series_Library.git|Contributed|EByte LoRa E220 library
+https://github.com/gianni-carbone/STM32ad9833.git|Contributed|STM32ad9833