TypeScript Hello World Program

1️⃣ Create a New TypeScript File First, you need a TypeScript file (.ts). If you haven’t already set up TypeScript, check out our TypeScript Installation and Setup Guide. 🔹 Step 1: Create a Project Folder (If Not Done Already) If you don’t have a project folder yet, create one: mkdir my-typescript-projectcd my-typescript-project 🔹 Step 2: … Read more

TypeScript Features

1️⃣ Static Typing – Avoid Common Errors One of the biggest advantages of TypeScript is static typing. Unlike JavaScript, where variables can hold any type of value, TypeScript allows you to define types. This helps in catching errors during development, not at runtime. Example: let age: number = 25; // ✅ Correctage = “twenty-five”; // … Read more

Node.js Server

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 Compiler

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

Built-in Modules

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

RasPi Components

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

RasPi RGB LED WebSocket

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

RasPi WebSocket

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

RasPi Flowing LEDs

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