The following article shows you how to interface the SR04T Waterproof Ultrasonic sensor with an Arduino Uno to obtain distance data. The article also discusses the working of the module along with a ...

above 20Khz, and travels with a velocity of 340m/sec. An ultrasonic sensor comprises of 2 individual sensors Emitter Receiver Distance measurement principle is based on the travel time of the sound ...

ultrasonic sensor module HC-SR04 1 KΩ resistor Arduino Uno USB Interfacing cable Connecting wires THEORY: The HC-SR04 ultrasonic sensor uses SONAR to determine the distance of an object just like the ...

There are many types of ultrasonic sensors and microcontrollers ... A common combination is the HC-SR04 sensor and the Arduino Uno microcontroller, which are both inexpensive and easy to use.