Designing 1kW Sine Wave Inverter Circuit
An inverter provides power backup for mains-based appliances in the event of a power failure. Most of the inverters available in the market have...
AI Vision Assistant Camera That Can See, Read, and Translate
The AI vision assistant camera is a smart device for image recognition and interpretation. Powered by AI, it analyses images from user-defined prompts and...
Smallest Portable Game Boy And Wi-Fi Hacking Device
In the late 1980s and 1990s, the Game Boy redefined handheld entertainment. With its chunky buttons, monochrome screen, and pocket-sized design, it evolved from...
Real-Time Temperature And Humidity Monitoring System Using TFT Display
Real-time environmental monitoring is increasingly important in agriculture, industrial automation, smart homes, and healthcare. The real-time data monitoring system measures and displays ambient temperature...
Compact AI Health Monitoring And Anomaly Detection Device
Early detection of health irregularities helps identify conditions before they develop, allowing timely intervention. Continuous monitoring, however, is not easy without wearable sensors that...
Raspberry Pi Video Streaming Over Internet
This project proves that reliable, long-term live video streaming and motion-based surveillance can be achieved using just a Raspberry Pi Zero, a 5MP camera,...
Touch-controlled AC Solid-state Relay
The demand for modern touch-based control systems is rising quickly, driven by their sleek design, ease of use, and lack of mechanical components. This...
IoT-Based Environmental and Gas Sensing for Real-Time Monitoring
This project presents a compact, battery-powered IoT environmental and multi-gas sensor module designed for real-time air quality monitoring. Using the BME690 and MICS-6814 sensors...
Laptop-based HMI For DC Motor Speed and Direction Control using Arduino
The article explains a laptop-based human-machine interface (HMI) system that allows users to control the speed and direction of a DC motor using software...
Raspberry Pi Flight Tracker: Step-by-Step Guide
Flight tracking is fascinating—you can watch aeroplanes move in real time, see their altitude, speed, and even where they’re headed. Many aviation fans and...
IoT-Based Soil Moisture Mapping
In an era where sustainable farming and efficient resource management are paramount, the Soil Moisture Mapping project emerges as an innovative, low-cost solution for...
Designing a Li-Fi System for Wireless Data Transfer [Step-by-Step Guide]
Light fidelity (Li-Fi) is a widely adopted form of wireless communication that uses optical energy to verify device functionality. A key challenge lies in...
AirPod: Standalone FM Earbud
Earlier in this series, a compact FM radio was created using a touch display. From there, the design moved forward with an FM radio...
AI-Powered Object Detection and Distance Measurement using Raspberry Pi
Imagine a vehicle cruising at 54 kilometres per hour, roughly the speed of an object moving 0.5 metres per frame at 30 frames per...
Mini AC-DC Converter Module With Selectable Output Voltage
The increasing use of IoT devices and smart appliances has driven demand for compact and efficient power solutions. Traditional AC-DC converters tend to be...
DC-DC Buck Converter Design: 1.2V–3.3V High-Efficiency Circuit
A buck converter is a DC-DC power converter that efficiently steps down a voltage. It uses an inductor, resistors, and a capacitor to regulate...
Advanced Satellite for Telemetry and Remote Access
Advanced Satellite for Telemetry and Remote Access (ASTRA) is a CubeSat model designed to offer hands-on experience in satellite technology. It serves as a...
DIY LED Strip Controller with Motion Sensor
Decorative lighting has become quite popular, with options such as LED surface panels, strip lights, COB lights, spotlights, and profile lights that are widely...