Bonezegei_HCSR04 is a simple and easy-to-use Arduino library for interfacing HCSR04 ultrasonic sensor module. The library provides functions for measuring distance, setting trigger and echo pins. The ...
The company's sensor uses sonar and echos to give robots more information about their surrounding environment.
The SparkFun Ultrasonic Distance Sensor - TCT40 (sen-24805) a user-friendly upgrade to the popular HC-SR04 sensor, offers non-contact distance measurement from 2cm to 400cm with an accuracy of 3mm.
Abstract: This paper describes a system, basically an electronic system that can help us to detect the exact location of the crack which has been formed accidently or due to the terrorist activities.
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