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ELEGOO 5PCS HC-SR04 Ultrasonic Module Distance Sensor Compatible With Arduino UNO MEGA Nano Robot Xbee Zigbee
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How to make a Security System with Ultrasonic Sensor and Arduino
3:03
YouTubeN_Tech
How to make a Security System with Ultrasonic Sensor and Arduino
Build a distance sensitive security system with ultrasonic sensor and Arduino board. This project is an ultrasonic sensor based alarm. It is distance sensitive so the speed of the buzzer depends upon how close or far the object is. If the object is near then the buzzer beeps faster and if it far then the buzzer beeps slowly. Components Used: 1 ...
144K viewsApr 11, 2021
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Shop ultrasonic ranging sensor module with an alarm

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$8.99
ELEGOO 5PCS HC-SR04 Ultrasonic Module Distance Sensor Compatible With Arduino UNO MEGA Nano Robot Xbee Zigbee
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