The Pocket-Sized Fun Intruder Alarm

video The Pocket-Sized Fun Intruder Alarm
I hope you like this project! If you have any questions please feel free to leave them below.
VinZent7778 months ago
I think the buzzer emit a very shrill sound and his dog barks a lot for the sound, no?
superdave548111 months ago
Where does the barking dog sound come from? You can't just add a speaker to the alarm and get that. Is it preprogramed into the original alarm? Mine emits a high piched siren type sound from it's piezo buzzer.

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