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Components Required: Arduino Uno/Nano HC-SR04 Ultrasonic Sensor 16x2 LCD with I2C Module Buzzer Jumper Wires Wiring Diagram: How It Works: The HC-SR04 ultrasonic sensor measures distance by sending an ...
This research comprises an ultrasonic sensor module, an Arduino Uno microcontroller, and a visual display, such as an LCD or LEDs. The ultrasonic sensor emits high-frequency sound waves and measures ...
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