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5/10PCS 5V Electromagnetic Active Buzzer Continous Beep Tone Alarm For Arduino | eBay
Use tone() with Arduino for an Easy Way to Make Noise - Programming Electronics Academy
How to build an Arduino sound detector Alarm Project - Hackster.io
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ESP32 Arduino: Alarm with PIR motion sensor and buzzer - techtutorialsx
Arduino Project 6: Alarm - DFRobot
How to Use Active and Passive Buzzers on the Arduino - Circuit Basics
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