This video provide the interfacing of PIR sensor with Arduino UNO to develop a Door Buzzer system using online virtual tool tinkercad.com https://www.tinkercad.com/ For the source code please visit the link.. https://drive.google.com/file/d/1BCq-... Like, share, and subscribe to watch more videos on the related topic. Thanks. _______________________________________________________________________ #TinkercadArduinoTutorialsDoorBuzzerUsingUltrasonicSensor #UltrasonicSensorinterfacingintinkercad #DoorBuzzerUsingUltrasonicSensor