In this tutorial, we will look into adding LED bar graphs to your Arduino projects. Understanding how to effectively use Arduino LED bar graphs opens up possibilities for visualizing data, creating dynamic displays, or simply adding an eye-catching element to your projects. Throughout this guide, I will show you how …

You, yes, you sitting there reading this article. Let me share a little secret that will change the way you think about your vehicle's battery. Imagine a world where your car starts every time you turn the key, without a hint of hesitation. Now, let me introduce you to the …

As data continues to grow at exponential rates, organizations are finding they need to adapt their database infrastructure and design approaches to keep up. Several key database design trends are emerging that aim to help companies effectively manage large volumes of data from diverse sources, draw timely insights, and ensure …

A solenoid lock is an electric actuator that converts electrical signals to motion. It is commonly found in electronically controlled doors and drawers. Using the solenoid lock with a microcontroller is easy and, if you’re a beginner, this project is just for you.

Introduction Beginner tutorials on the web often use the HC-SR04 ultrasonic sensor. Why? Because it’s easy to use and requires a few short lines of code. So when I tried it with the Raspberry Pi Pico, I expected it to work immediately. Until it didn’t. Fortunately, I made it to …

Since the inception of Bitcoin over a decade ago, cryptocurrency mining has grown from an obscure hobby to a professional industry central to securing blockchain networks. However, despite surging valuations and adoption for crypto assets recently, mining still contends with profitability obstacles concerning costs, payments, risks, and access to capital. …

Graphene, a single layer of carbon atoms arranged in a hexagonal lattice, has emerged as a star material in nanotechnology. Its discovery and subsequent exploration have opened new horizons in material science. Renowned for its extraordinary strength, flexibility, and conductivity, graphene's properties make it an ideal candidate for various applications, …

This guide shows the GPIO pins, ADC channels, power pins, boot pins, communication pins, and safe-to-use pins on the ESP32-WROOM-32 development board. Use the diagram and tables below to choose the right pins for sensors, I2C, SPI, UART, PWM, touch input, and analog readings. The guide focuses on the common …

 Through the integration of sensors, embedded systems, and networks, the Internet of Things (IoT) is a concept that links physical objects to the Internet, facilitating data exchange and communication between devices. 

Over the past few years, the use of video cards has been associated with mining. Even gaming took a back seat. In fact, graphics processing units (GPUs) can be successfully used for a wide range of business tasks. So what are these tasks and what are the benefits of using …