Here you can learn a full NodeJS course with proper explanations of basic to advanced concepts. NodeJS is a powerful technology for developers.
Node.js is widely used to create high-performance, scalable servers for web applications, APIs and real-time systems. Its non-blocking, event-driven architecture makes it an excellent choice for building efficient servers. What Is a Node.js Server? A Node.js server is an application built using Node.js to handle incoming client requests and send appropriate responses. It leverages the … Read more
Node.js is a powerful and popular runtime environment for running JavaScript on the server side. While it isn’t a “compiler” in the traditional sense, understanding how Node.js executes JavaScript code, its relation to the V8 engine, and its role in server-side development is essential for building scalable and efficient applications. What Is a Compiler? A … Read more
Raspberry Pi offers a wide variety of built-in modules that simplify programming and interacting with hardware components. These modules enable you to control GPIO pins, handle files and perform networking tasks, all while writing Python code. What Are Built-in Modules? Built-in modules are libraries and tools that come pre-installed with the Raspberry Pi OS. These … Read more
Raspberry Pi is a small and affordable computer that you can use for a wide range of projects, from robotics to home automation and IoT. One of the key strengths of the Raspberry Pi is its ability to interact with various components and sensors through its General-Purpose Input/Output (GPIO) pins. 1. Raspberry Pi Board The … Read more
What Is an RGB LED? An RGB LED is a type of LED that can produce various colors by combining red, green, and blue light. Each of the three colors can be adjusted from 0 to 255 (using PWM), creating millions of color combinations. Prerequisites Before starting the project, ensure you have the following components: … Read more
WebSockets are a powerful tool for creating real-time communication between a server and a client. In this guide, we will walk through setting up a WebSocket server on your Raspberry Pi and connecting it to a web client for interactive, real-time communication. Whether you’re building a live chat application, controlling hardware remotely, or implementing real-time … Read more
Creating a flowing LED effect is a fun project that demonstrates how to control multiple LEDs on a Raspberry Pi. This guide will walk you through the process of setting up the circuit, writing the Python code, and making the LEDs flow in a sequence across the Raspberry Pi GPIO pins. What Are Flowing LEDs? … Read more
Controlling an LED with a pushbutton is a simple yet powerful project to learn how to use Raspberry Pi GPIO pins for input and output. This project demonstrates how to read button states and use them to control an external component like an LED. What Is a Pushbutton in Electronics? A pushbutton is a simple … Read more
Blinking an LED is one of the easiest and most rewarding projects for beginners using Raspberry Pi. It helps you understand how to control GPIO pins and build a foundation for more complex hardware projects. What Is Blinking an LED? Blinking an LED involves turning it on and off repeatedly using the Raspberry Pi’s GPIO … Read more
Raspberry Pi GPIO (General-Purpose Input/Output) pins allow you to interact with external hardware like LEDs, buttons, motors and sensors. These pins make the Raspberry Pi a powerful tool for learning electronics and building IoT and robotics projects. What Is GPIO on Raspberry Pi? GPIO pins are physical pins on the Raspberry Pi board that can … Read more