Project Ding-Dong

A smart door bell, and door knock detector.
Notifies me with LEDs instead of audio.
LEDs switch off as soon as door is opened.

Ronny Majani

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Description

The project consists of four units:
- Door knock detector
- Door opened detector
- Door bell button
- Notifier (LED)

When either the door bell button is pressed, or a door knock is detected,
the notifier is activated.
When the door has been opened, the notifier will deactivate.
The notifier can be manually deactivated.