The classic guides on Arduino melody like [this guide on Arduino.cc](https://www.arduino.cc/en/Tutorial/BuiltInExamples/toneMelody) and notes on [Play Arduino Piezo ...
This project offers a straightforward but efficient way to stop unwanted access to a vehicle by notifying the owner promptly as the attempt is detected. An Arduino UNO board, a buzzer, an A7670C LTE ...
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