The HC-SR04 sensor is a Ultrasonic sensor. we can not use this sensor direct in a circuit. We need a microcontroller for communication with the sensor. I use arduino in this case. The HC-SR04 ...

When the task at hand is much simpler like obstacle detection, distance measurement, or depth monitoring ... SR04 sensor in terms of functionality. The following article shows you how to interface the ...

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This design incorporates three ultrasonic sensors ... Return the values from the sensor } Next, the code utilizes the ‘Serial’ object to print the distance values to the serial monitor for debugging ...

Shifting to the new waterproof ultrasonic sensor is not a big deal, since it’s pretty easy to modify some example codes to use it. The quick road test, oh it’s a simple approach to display the ...

Power up the ultrasonic sensor by the 5V of Arduino and common all the grounds. Upload the receiver code to the Arduino of the Receiver and the transmitter code to the Arduino of the transmitter. Now ...

C++ code // include the library code: #include // initialize the library with the numbers of the interface pins LiquidCrystal lcd(12, 11, 5, 4, 3, 2); int ultrasonic = 0; long ...