Hi,
You will probably find this funny, and it is, but it's also a project I'd like to take seriously.
I have a campervan and I'd like to avoid thieves to break in it when I am inside it or not.
For this purpose I imagined a simple device that can play a sound based on a vibration detection (in case of intrusion attempt) or by pushing a button manually.
The sound wil be a growling dog, which will deter any thief, thinking there is a big dog inside the van

This sound can be manually triggered by me if I'm inside the van, or played automatically...
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