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pldubouilh / alarm Public

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Fire alarm beep detection

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MIT license
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pldubouilh/alarm

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Fire Alarm Detector

 

fire fire fire

Note: also works for water leak detector

Featuring:

  * fire alarm audio signature detection using FFT and pattern
    matching
  * exec' a custom script if alarm detected - pagerduty &
    picture-upload scripts
  * an optional server to handle the uploaded pictures (with https
    and basic auth)

Motivation

 

I wanted a local solution running on a Raspberry Pi Zero, and not
constantly pushing data to a server, surely it's doable with simple
FFTs and pattern matching !

Optionally, being able to alert with pagerduty, or take pictures when
the alarm is detected (server code included).

Usage

 

$ cd detect
$ go mod tidy
$ go build
$ ./detect --help
Usage of ./detect:
  -beeps int
        How many beeps to alert (default 3)
  -device string
        Target device. If empty, will list devices.
  -duration duration
        Duration of a beep (default 400ms)
  -frequency int
        Target frequency in Hz (default 3500)
  -script string
        Script to exec when an alarm is detected
  -threshold string
        Audio target threshold (default "7")

$ ./detect -device="Logitech StreamCam: USB Audio (hw:1,0)"
[play alarm.wav]
2024-04-07 13:41:47 -- alarm detected!

Feel free to explore the codebase, this is more of a glorified (but
fuctioning !) script :).

A pre-compiled binary for Raspberry Pi is provided on the release
section. It only has a dependency on portaudio19-dev. The two scripts
have dependencies on curl, and ffmpeg for the picture uploading
script.

About

Fire alarm beep detection

Resources

Readme

License

MIT license
Activity

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28 stars

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Releases 1

 
first Latest
Apr 7, 2024

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  * Go 81.3%
  * Shell 13.5%
  * Makefile 5.2%

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