SPECIALITIES OF ULTRASOUND TECHNOLOGY
ELECTRONIC SENSOR BASED FLAWLESS PATH FINDER
INVENTED BY:- ANDHYA GUPTA (EC)
The ultrasonic sensor is one of the best technique which is used to sense the obstacles. The Ultrasonic sensor module “HC-SR04†works on “Echo†concept which is something you get when sound reflects back after reaches the surface. The travelling time of ultrasonic waves is 343m/s. This much of speed is meticulous for MCU’s in microcontroller to measure accurately. Practically the waves reflect back from the surface located 4 meters away in 15 ns. The ultrasonic wave does not affect the humans. The ultrasonic sensor is mostly used for distance measurement application. These sensors are able to detect the barriers present in front of them. Ultrasonic sensors generate sound waves with higher frequencies that humans cannot perceive, making them ideal for quiet environments. They do not consume much electricity, are simple in design, and are relatively inexpensive.