For five years now, a distinctive green laser beam has been shining at night up to 30 kilometers (19 miles) above the harbor ...

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...

Spread the love“`html Connecting sensors to Arduino opens up a vast array of possibilities for hobbyists and professionals alike, transforming ideas into functional prototypes and projects. Whether ...

Arduino has certainly made its mark in the world of DIY electronics, providing an accessible platform for a wide range of creative and interactive projects. Known for its user-friendly hardware and ...

Hello, today I am going to review the HUSKYLENS 2, released in October 2025. It is the next generation of HUSKYLENS, an AI vision sensor equipped with a Kendryte K230 dual-core RISC-V SoC with a 6 ...

For setups that rely on stored water, clear awareness of tank level and water quality is essential. Traditional level monitors are often bulky offline devices with only simple LED indicators, while ...

I’ve just come across a no-name non-contact, high-precision 80 GHz mmWave radar sensor for liquid level detection with a 40m range, ±5mm accuracy, and Modbus communication over UART. The 0.15m to 40m ...

In recent years, integrating smart home devices into your living space has never been simpler. They have become easier to set up with user-friendly apps and step-by-step guides, and some are ...

The working principle of the water level sensor module is very similar to that of a Rain Sensor. The water level sensor has three pins, runs on 5V power, and gives out the data in analog format. The ...

1 Department of Agriculture Technology, Faculty of Agriculture, University of Putra Malaysia, Serdang, Malaysia. 2 Department of Information System, School of Computing, Faculty of Engineering, ...

Abstract: The paper discusses an IoT-based railway management system for detecting cracks on railway tracks, monitoring platform availability, fire detection and suppression, train movement control, ...