This project enables real-time distance measurement using an ultrasonic sensor (HC-SR04) and displays the measured distance on a webpage. The ESP32 microcontroller reads the data from the ultrasonic ...

#define TRIG_PIN 23 // ESP32 pin GPIO23 connected to Ultrasonic Sensor's TRIG pin #define ECHO_PIN 13 // ESP32 pin GPIO22 connected to Ultrasonic Sensor's ECHO pin #define LED_PIN 12 //ESP31 pin GPIO ...

What is an Arduino Obstacle Avoiding Car? An Arduino obstacle avoiding car is an autonomous mobile robot that's designed to identify obstacles that are in its way and make decisions to navigate around ...

This post is a review of the popular waterproof ultrasonic sensor JSN-SR04T. I hope this will serve as a backdrop for some interesting ultrasonic distance sensor experiments and projects. A number of ...

There is a lot of buzz about electromagnetic (EM) detection and ranging sensor technology, which encompass radar, lidar, infrared (IR), ultra-wide bandwidth (UWB), and many others. However, there are ...