This tutorial explains how to build an AI-enabled smart home automation using ESP RainMaker. The system supports lights, fans, relays, sensors, RGB LEDs, OTA firmware updates, QR provisioning, and ...

A human detection system was designed earlier to utilise the microwave Doppler effect to detect human movement and trigger AC appliances such as light bulbs and other electrical loads up to 1A. The ...

Discover how the Arduino Opta Pro can be leveraged beyond its industrial roots for smart home and DIY automation. In my article, I share hands‑on insights, practical code examples, and hardware ...

An open-source ecosystem allows sharing application resources and providing technical support through an active developers’ community. OpenPLC is a programming editor that support the International ...

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The following project is an update of Gary D. Patterson’s “Simplified CTC signals” in the July 1988 issue of MR. Bringing the project up to date was a large endeavour. The block control project now ...

Each year, students in the Saint Louis University School of Science and Engineering participate in research and design capstone experiences. At the SSE Undergraduate Showcase, students present posters ...

IN - This pin is also called the control pin because it is used to control the output of the relay. COM - is connected to the device you intend to connect. NC - terminal is connected to the COM ...