Steps
Read more- Clone project to your hard disk.
- Open KnockNotifier.ino with Arduino IDE and upload it to Arduino UNO.
- Make a circuit as shown in the diagram.
- Attach the buzzer to the back of the door with screw, tape or glue.
- Linux users run KnockNotifier-Ubunutu.py, Windows 10 users run KnockNotifier Win10.py
- Run KnockNotifier.py
- Now knock and you'll recieve the notificiation.
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