# Tech To Info > Exploring Science, Tech & Innovation ## Posts - [Build a Hand Gesture Controlled LED System (Arduino + Python) | Simple 5 Steps (2026)](https://techtoinfo.com/hand-gesture-control-arduino-python/): Imagine controlling the lights in your room without touching a single switch—just like Iron Man! In this project, we will build a Hand Gesture Controlled LED System using an Arduino Uno and Python.We will use Computer Vision (OpenCV and MediaPipe) to detect your fingers and send commands to the Arduino to turn LEDs ON or OFF.This guide covers everything from hardware connections to software installation and coding. Let’s get started! Components Required To build this project, you will need the following hardware: Step 1: Hardware Connections First, let’s set up the circuit. You can fix the Arduino and Breadboard on […] - [How to make a Radar system using Arduino and Ultrasonic Sensor](https://techtoinfo.com/how-to-make-a-radar-system-using-arduino-and-ultrasonic-sensor/): Hello friends, in this tutorial I will teach you how to build a radar system. I will use an Arduino, an ultrasonic sensor, andProcessing software. Processing software will be used to calculate the distance and angle of the scanning area. Even if you’re new to Arduino, you can easily build it. I’ve explained each step of this project below. This project is going to be very interesting, so let’s start building it by following the steps below. Required Components To build this radar system, we’ll need a few components. Let’s take a look. Required Software How to Ultrasonic Sensor Works […] - [Why the vivo X300 Series Is a Must-Have in 2025: Features, Specs, and Prices](https://techtoinfo.com/the-vivo-x300-series-features/): The Vivo X300 series has been launched in India on 2 December 2025. Many people were waiting for this phone, and now the company has finally released it in India after the global launch. This is exciting news for smartphone lovers and photography fans. In this series, Vivo has launched two models — Vivo X300 and Vivo X300 Pro. Both phones come with a Dimensity 9500 octa-core processor, a 120Hz AMOLED display, a 200MP camera, and 90W fast charging. What is this Article about? vivo X300 Series Specifications Processor & Performance: MediaTek Dimensity 9500 chipset — flagship-level performance, optimized for […] - [Interstellar Object Explained: Origin, Speed, Latest News, Real Images & Complete List of Interstellar Objects (2025 Update)](https://techtoinfo.com/interstellar-object/): Discover what interstellar objects are, how they travel, and why 3I/ATLAS is trending in 2025. Full list of 1I ʻOumuamua, 2I Borisov, and 3I ATLAS explained. If you are curious to know what these cosmic visitors are, how fast they travel, and how many such objects we have found in our Solar System, then this article is for you. These deep-space travelers are space objects that do not belong to our Solar System. They travel from another star system and enter our Solar System. These objects are very rare, and their origin, speed, and shape are always a mystery for […] - [Best Gaming Phones Under ₹20,000 in India](https://techtoinfo.com/best-gaming-phones-under-20/): Find the best gaming phones under ₹20,000 with performance tests, display quality, battery backup, camera review, and gaming FPS for 2025. Choosing a gaming phone under ₹20,000 is very difficult today because the market has too many options. Some phones are fast, some are overhyped, and finding the right one becomes confusing. That’s why I checked performance, processor, AnTuTu score, display quality, refresh rate, battery, UI, gaming test results, thermal control, and the actual price to create this list of the Top 10 Best Gaming Phones Under ₹20,000.This article is based on real-life experience and will help you select the […] - [How To Buld A RFID Based Door Lock Security System](https://techtoinfo.com/rfid-based-door-lock-security-system/): In this article, we will make a simple Buld A RFID Based Door Lock Security System using Arduino Nano. Step by step, we will see how this system is built, how it works, what components are needed, its circuit diagram, and complete working code. This project is very useful because security has become an important part of our daily life, and technology can make it even stronger. Here, we will use an Arduino Nano, RFID module (RC522), 16×2 LCD (without I2C), servo motor, buzzer, and a red LED.Only the authorized RFID card will unlock the door, and unauthorized cards will […] ## Pages - [About Me](https://techtoinfo.com/about-me/): 👋 Hi, I’m Harsh Chaudhary I’m the founder and chief writer of Tech To Info, and my mission is simple: To make Science, Technology, and Engineering easy, practical, and understandable for everyone — from beginners to students and curious learners. I hold a diploma in Electrical and Electronics Engineering, and I’ve spent years exploring how things work — from tiny electronic components to machines, science principles, and modern technology. But my journey didn’t start in a classroom.It started in the fields, as a kid working with my parents. 🌱 Where My Curiosity Started Growing up, I often worked on farms […] - [About Us](https://techtoinfo.com/about-us/): Welcome to techtoinfo — a simple, smart, and curiosity-driven platform where science and technology become easy for everyone. Our mission is clear:To explain complex topics in the simplest, most accurate, and most practical way possible. Here, you will find a perfect blend of: Everything is written in easy English, with examples and real-life explanations so even beginners can understand confidently. Who Is This Platform For? ScienceToTech.com is made for: If you love exploring how things work, discovering new ideas, or learning science and technology step-by-step — this is the right place for you. What We Provide Every article is verified, […] - [Cookie Policy](https://techtoinfo.com/cookie-policy/): Effective Date: 28 November 2025 Tech To Info uses cookies to improve your experience. 1. What Are Cookies? Cookies are small files stored in your browser.They help websites remember preferences and improve performance. 2. Why We Use Cookies We use cookies for: 3. Types of Cookies We Use a. Essential Cookies Necessary for basic website functions. b. Preference Cookies Save your settings (like language). c. Analytics Cookies Help us understand how visitors use our site. d. Advertising Cookies Used by Google AdSense to show personalized ads. 4. Managing Cookies You can block or delete cookies anytime from your browser settings.If […] - [Disclaimer](https://techtoinfo.com/disclaimer/): Effective Date: 28 November 2025 The information on Tech To Info is for educational and informational purposes only. 1. Educational Purpose Only Our content is created to help students, learners, and beginners understand science, technology, inventions, robotics, etc. We do not provide professional or legal advice. 2. Accuracy of Information We do our best to provide correct and updated content, but: We are not responsible for any loss or damage caused by using our content. 3. External Links We sometimes link to external websites.We are not responsible for their content or privacy policies. 4. Affiliate Disclaimer Some articles may contain […] - [Terms & Conditions](https://techtoinfo.com/terms-conditions/): Effective Date: 28 November 2025Website: https://techtoinfo.com/Brand Name: Tech To Info Welcome to Tech To Info. By using our website, you agree to the following Terms and Conditions. Please read them carefully. 1. Use of Our Website You must use this website only for: You agree not to: 2. 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This Privacy Policy explains what information we collect, how we use it, and how we safeguard your data. By using our website, you agree to this policy. Information We Collect We may collect the following types of information: 1. Personal Information We only collect personal information when you voluntarily provide it, such as: We never sell, trade, or misuse your personal details. 2. Log & Usage Data Like most websites, we automatically collect: This helps us improve the website’s performance. 3. Cookies Tech To Info uses […] ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/techtoinfo.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)