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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...

Digital Thermometer using Arduino

We built this Arduino-based Digital Thermometer for temperature measurement applications. Thermometers have been useful for temperature measurement for a long time. A digital thermometer is...

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...

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...
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