ESP32 Alarm System This is a simple alarm system that I created to learn about embedded systems programming using an ESP32 microcontroller and various peripherals. The system uses an ultrasonic ...

The goal of this module is to teach students about the properties of sound and computing distance with an ultrasonic sensor. The program can also be used to measure the relative distance. This module ...

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 ...

HY-SRF05 work based on Principle of Ultrasonic Echo-Ranging. This module has 2 sensors, one to trigger an ultrasonic waves, and one to receive ultrasonic waves. Trigger Sensor, send a short pulse to ...

On the basis of analyzing the principle of ultrasonic ranging, using STM32 single-chip microcomputer as the control core, using the transit time detection method, using the HC-SR04 ranging module, an ...