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How to build a Smoke and Fire Alarm System using Arduino with SMS Notification What if you could get an instant SMS alert the moment a fire or smoke is detected at home or office? Through this project tutorial, you can build a fire and smoke alarm system using Arduino UNO R4 that sends real-time SMS notifications. This means you will immediately get alerted even if you are far away. In this Arduino Project, you… |
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NavBot-EN01: A Practical, Open Source, Scalable Robot for Learning Robotics If you are into STEM education or just enjoy playing with robots, there’s a new desktop robot that might catch your interest, it’s called the NavBot-EN01 as functional wheel-legged robot. Designed with students, teachers, and hobbyists in mind, it aims to make robotics education more practical, affordable, and fun. Most educational robots out there are either too basic or way too… |
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How to Build a Smart Helmet using Arduino? In this project, we’re making an ordinary two-wheeler helmet smart using an RF Transmitter & Receiver. The best part: this Arduino-based smart helmet is simple to build and does not require advanced engineering knowledge or complex components. Smart Helmet using Arduino - Quick OverviewBuild Time: 6-8 hours | Cost: $40-60 | Difficulty:… |
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DIY Gesture Control Drone using Python with LiteWing and ESP32 A few years ago, building a drone was expensive and out of reach for most hobbyists and students. But today, DIY drones have become more accessible and affordable. With the LiteWing Drone—a compact, open-source drone powered by the ESP32—you can build and fly your own drone for under $50. It's beginner-friendly, ready to fly out of the box, and can be controlled via… |
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How to Send SMS with Arduino UNO R4 via Internet? Ever wished your Arduino could send you an SMS alert when something important happens—like an intruder detected by your DIY security system, or a gas leak in your kitchen? With just an Arduino UNO R4 and a few lines of code, you can make that happen—no expensive GSM module required. In this tutorial, I’ll show you how to send SMS… |
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How to build a simple GPS Tracker using ESP32 and Visualize Data on Map This GPS tracker using ESP32 should be an exciting project, especially for beginners interested in electronics and software development. It’s a project that brings childhood curiosity about tracking everything around us to life. While the hardware setup is relatively simple, the real challenge lies in the software. But that’s no longer a concern, thanks to the… |
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From Roaring Engines to Gentle Whispers - The Electrification Journey of Indian Railways in 2025 Have you ever remembered the loud roar of an old diesel train? In the past, when a train sped along the tracks, you could hear its deep rumble from far away. The sound of the engine, the shaking of the carriage and even the scent of diesel made every journey an adventure to treasure. Today, when you step onto a modern train you may hardly notice any noise at all. The… |
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How to Build a Bidirectional Visitor Counter using Arduino Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, a simple sensor based system can efficiently accomplish this task. By placing sensors at a single entry/exit point, these systems can detect movement direction and track… |
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Bluetooth DIY Earbud Inside a Pistachio Shell Ever thought of turning a pistachio into a working AirPod? Well, a creative Penguin DIY just fixed earbuds into pistachio shell, by dismantling the earbuds, reducing their size, and fixing all the components into the same miniaturized board that will fit into a pistachio shell. The process wasn’t easy. He had to meticulously remove, resize the board, and solder each tiny part onto the… |
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How to Make an RFID Door Lock System using Arduino? Are you tired of searching for keys whenever you need to open a door? How about building a smart locking system where you can simply swipe a card to open the door? In this article, we will learn how to build an RFID door lock system using Arduino. It’s a fun and secure way to unlock the door. Table of Contents└ How do Arduino based RFID Door Lock Work? … |
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AI in Your Pocket: Running an LLM from a USB Stick Large language models (LLMs) like GPT, BERT, Llama, and Mistral are becoming widely used in various applications, from chatbots to coding assistants. However, running these models typically requires powerful hardware, such as high-end GPUs or dedicated AI accelerators, which can be costly and consume significant power. In a recent video, Binh Pham from the YouTube channel Build With Binh… |
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How to Build a Maze Solving Robot Using Arduino Building a maze-solving robot is an intresting way to get into the world of robotics and autonomous systems. Imagine creating a small device that can intelligently navigate through complex mazes, making decisions at every turn. This step-by-step guide will show you how to build your own maze-solving robot using Arduino UNO, three IR sensors, and basic components that… |
