electronicblog296 
This project uses an Arduino and an ADXL345 accelerometer for Free Fall Detection. When a large acceleration shift characteristic of a free fall is detected, a warning system is activated, which includes an OLED display with the words “Free Fall Detected!” and a buzzer. This system can find applications in safety monitoring and fall detection … Read more
In a world where technology meets everyday tasks, we designed a digital “Spirit Level” making use of the ESP32 microcontroller, an ADXL345 accelerometer, and an OLED display. This practical instrument measures roll and pitch angles in real time, making it ideal for builders, DIYers, and hobbyists. How this Spirit Level works? In this project, an … Read more
This project is a Step Counter that tracks steps with an Adafruit ADXL345 accelerometer sensor. The step count is displayed on an Adafruit SSD1306 OLED screen, and a web server allows remote monitoring and step count reset. It’s a versatile solution for tracking physical activity that can be easily customized for a variety of applications. … Read more
Explore a project that uses the ESP32 microcontroller and an alcohol sensor to create a local web server for real-time monitoring of alcohol levels. This configuration allows users to check alcohol levels via a web interface, giving a simple solution for responsible alcohol monitoring. How it works? This project creates a local web server with an … Read more
In the era of digital finance and real-time market data, staying updated with current stock prices and market trends has become very essential for investors and traders alike. This project provides a low-cost, DIY method for showing real-time stock ticker data on an OLED display with an ESP32 microcontroller, using information from the finnhub.io API. … Read more
This article describes a hands-on project that uses an ESP32 microcontroller to create a local web server-based knock sensor system. With this configuration, you can simply detect knocks in your surroundings and examine their status in real-time using a web interface on devices connected to your local network. It’s a simple yet useful application of … Read more
Introduction Brief Overview of Transistors Transistors, born in the mid-20th century, stand as the unsung heroes of modern electronics, quietly orchestrating the symphony of technological advancement. These semiconductor marvels, typically composed of silicon, feature three layers—emitter, base, and collector—forming the bedrock of electronic circuits. Functioning as amplifiers and switches, transistors ingeniously manipulate small input currents … Read more
Introduction Molecular Electronics Molecular electronics is a cutting-edge field that delves into utilizing individual molecules as the fundamental building blocks for electronic devices. Departing from the traditional use of semiconductors and metal conductors, researchers in molecular electronics aim to harness the unique electrical properties exhibited by molecules. At the heart of this discipline is exploring … Read more
Introduction Plasmonics is like a superpower for light! Imagine tiny particles on a surface that can especially dance with light. These particles, called surface plasmons, are found at the meeting point of metals and other materials. What makes them fascinating is that they allow us to control and use light in ways we couldn’t … Read more
Introduction Definition of Cryogenic Electronics Cryogenic electronics refers to the study and development of electronic devices and circuits that operate at extremely low temperatures, typically much colder than room temperature. This typically ranges from around -150°C to a few millikelvins (-273.15°C). The primary goal of cryogenic electronics is to increase the effectiveness, dependability, and performance … Read more
