Ultrasonics refers to signals that are above the human hearing span (>20 kHz), and usually in the 40- to 70-kHz range. These signals are used like radar—they’re radiated toward a target and reflected ...
A small PlatformIO/Arduino project that measures distance using an ultrasonic sensor (HC-SR04 or similar) and prints the measured distance over the serial port. This README explains how to open the ...
There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that ...
Abstract: This paper provides details about the design and operation of a Collision Avoidance System in smart cars, with the Arduino board as the central control unit, interfaced with an ultrasonic ...
LaserEye is a security monitoring system utilizing ESP8266 board, a laser, and a sensor to detect trespassing. Integrated with Firebase Realtime Database, it provides real-time notifications through ...
Abstract: The task of helping visually impaired people with the help of technical means has been relevant for more than half a century. A large number of works have been written on this topic, and a ...
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