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🚨 Arduino Distance Alarm using Ultrasonic Sensor | Buzzer + LED Alert System | YASHASH BM
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Shop arduino alarm sensor

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$1.12
KY-012 3Pin Active Buzzer Alarm Sensor Module For Arduino Diy Starter Kit KY012
Aliexpress
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KY-012 3Pin Active Buzzer Alarm Sensor Module For Arduino Diy Starter Kit KY012
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HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module For Arduino For Raspberry
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