Real-Time AC Current and Frequency Monitoring for Data Analysis and ML Training
In various industries and applications, it’s crucial to monitor the current and frequency of devices in real-time. These parameters are vital for the longevity...
Indoor Positioning Using BLE and Wi‑Fi Triangulation: Real‑Time Indoor Tracking
Struggling with GPS indoors? Learn how to build a DIY real-time indoor tracking system using BLE and Wi‑Fi triangulation. Track people, pets, or robots...
Stop Hackers from Reading Your IoT Data with IoT Encryption
Encryption is one of the most crucial components for securing IoT devices and communication systems, whether wired or wireless. It ensures that data remains...
Superior Motion Sensor Using Microwave Doppler Radar
An earlier design introduced a touch solid-state AC switch. The new version advances this concept with a sophisticated human radar sensing system that can...
Miniature IoT Water TDS And Level Monitor Cum Controller
For setups that rely on stored water, clear awareness of tank level and water quality is essential. Traditional level monitors are often bulky offline...
Smart Energy Meter With ESP32 to Predict Electricity Bill
Unexpected electricity bills can often be frustrating. This smart energy monitor, built using an ESP32 microcontroller, measures real-time power consumption and predicts upcoming bills...
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...
Portable Video Streaming System with Raspberry Pi Zero and mobile hotspot
Webcasting on a server-grade machine such as a laptop or desktop is routine and unremarkable. Streaming through modem port forwarding is similarly straightforward. What...
A Small Touch-Controlled 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
Environmental sensing plays a key role in managing air quality, controlling pollution, ensuring factory safety, detecting hazardous gases, and supporting laboratory monitoring. To be...
Laptop-Based HMI For DC Motor Speed And Direction Control
DC motors are usually controlled with switches or buttons for direction and a potentiometer for speed. While the potentiometer remains effective for speed regulation,...
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...
Step-by-Step Guide to Designing a Li-Fi System for Wireless Data Transfer
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...