This project builds a sweeping radar using an ESP32, a servo motor, an HC-SR04 ultrasonic sensor, and a passive buzzer. The servo rotates the sensor from 0 to 180 degrees continuously. At each angle ...
A simple Arduino project that measures the distance between an object and an HC-SR04 ultrasonic sensor and displays the readings in real time on a laptop using the Arduino Serial Monitor. The HC-SR04 ...
What is the HC-SR04? HC-SR04 is an ultrasonic ranging sensor that provides 2 cm to 400 cm non-contact measurement function. Is the HC-SR04 accurate? The ranging accuracy can reach to 3mm and effectual ...
This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...
Makers, developers and enthusiasts building distance related projects may be interested to know that the HC-SR04 ultrasonic sonar distance sensor is now available to purchase directly from the ...
🚀 Distance-Based Automation Using Ultrasonic Sensor & Arduino I recently worked on a mini project that demonstrates how simple sensors and microcontrollers can be used to build smart automation ...