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How to Build a Smart Wireless Doorbell System Using IoT Missing a visitor at the front door usually means missed package deliveries, keeping friends waiting outside, or missing unexpected guests. Standard doorbells only work if we happen to be sitting nearby and the chime is loud enough to hear. If we are stuck in a work meeting, listening to music with headphones, or away from home, it is easy to miss the ring, leaving… |
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Built an ESP32 Based Metal Detector System This tutorial shows us how to build our own functional DIY ESP32 metal detector from scratch using an affordable Wi-Fi enabled microcontroller, a handful of easily available electronic components, and a simple, hand-wound copper coil. Instead of relying on expensive, specialised sensors or complex industrial circuits, this PI metal detector circuit project uses… |
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Smart Home Automation By Ashish Spolia The rapid evolution of the Internet of Things (IoT) has transformed the modern household from a passive living space into an intelligent, responsive ecosystem. As safety concerns and the demand for convenience grow, there is a critical need for integrated systems that can monitor environmental hazards, provide robust… |
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How to build a Wearable Air Quality Monitor Pendant using STM32 & SGP40 Sensor Indoor and outdoor air pollution significantly impacts human health, causing respiratory issues and reducing life expectancy. Personal air quality monitoring has become essential for protecting ourselves from harmful airborne contaminants like volatile organic compounds (VOCs), particulate matter, and toxic gases. This DIY wearable air quality monitor pendant… |
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Gas Leakage Detector Using Arduino: Complete DIY Guide Gas leaks can pose serious safety risks, especially in homes, kitchens, and small commercial spaces. In this project, you'll learn how to build a simple and budget-friendly gas leakage detector using Arduino. This LPG gas leak detector uses an Arduino Uno and MQ-5 gas sensor to detect gas levels in the air and activates a buzzer and LED to alert users when a leak is… |
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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 Mini ESP32 Handheld Gamepad: A Compact Retro Gaming Experience If you love retro games and enjoy DIY electronics, this project made by YK Electrical is perfect for you. It’s a tiny handheld gamepad powered by an ESP32, lets you play classic games like Snake, Pong, and Dozer. And the best part is you can customize it however you want and even add more games to the console to make it even more fun. This mini handheld gamepad is easy use and compact in size… |
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How to build Blind Stick using Arduino Nano and Ultrasonic sensor Walking safely and confidently can be a challenging task for visually impaired individuals, but with the help of technology, we can make it easier for them. This DIY Blind Stick is an innovative yet simple solution that is designed to help users detect obstacles in their path. Using an Arduino Nano, ultrasonic sensor, and buzzer, it can sense objects in their way and… |
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Smort - AI Driven Patient Monitoring and Caregiving We have developed Smort, a smart 4WD platform designed for critical patient care. The system autonomously delivers medication at scheduled times, equipped with a rotating medicine dispenser and real-time monitoring using an in-built camera and microphone. The platform navigates towards patients, ensuring timely and accurate medication administration, while the camera… |
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ParKIFY - The Ultimate Parking Solution The main objective of this project is to simplify the parking system by connecting all the parking stations of any city or town via the internet and make the data accessible to the users. This helps the users to know the parking slot left in real time and also helps them to find the best closest parking station for them. This reduces the time consumption in finding… |
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PRAVESH - Smart Entry-Exit System PRAVESH is an RFID-enabled Smart Entry-Exit System designed to replace manual logs with a seamless digital solution. Using RFID cards, students can quickly and accurately log their entry and exit, reducing delays and improving accountability. Built on the Arduino UNO R4 Wi-Fi Board, PRAVESH integrates with campus infrastructure, providing real-time tracking,… |
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Wireless Doorbell using Arduino and RF Module We all know of the wired doorbell systems which require wires and suitable outlets for it to work satisfactorily. As the wired doorbell system needs complicated wiring, it requires an experienced person to get the work done and it does not do good, in both working and appearance. Another problem with it is that, if you want to install a wired doorbell system for an existing… |
