Modify a smoke alarm to have a remote buzzer and/or microcontroller interface.
Project instructions, Arduino code, etc. · Featured on Instructables.com
Features
- Alert occupant to an alarm that's triggered in a distant room, garage or attic.
- Allow multiple smoke alarms and buzzers to be connected together with a two-core cable.
- Monitor alarms from a microcontroller (e.g. it could send a text if the house is unoccupied).
- Activate the buzzer from the microcontroller (it may be monitoring, e.g., water tank level).