An Arduino Uno-based alarm with motion sensor, three LED outputs and a keypad with password input.
Project showcase by thehack904
More thank likely you will need to hook the positive up to one of the GPIO pins. That will allow it to be turned on / off. But you won't have the same sound range, it will then be on or off only, is my guess.
Peut-être que le projet et le code pourraient vous aider dans ce que vous cherchez à faire.
The motion sensor is waiting to be triggered. Once triggered the alarm should go off. If the sensor does not detect motion at the set alarm timeframe it will wait for more motion. If you replace an item with something else that isn’t moving it should reset and wait for motion detection again. The code is a continual loop until the keypad disarms it.
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