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 ...

This document is aimed at the Arduino developers, radio experimenters, hobbyists and anyone interested in building a receiver based on the Si473X IC family from Silicon Labs. This project is about an ...

Flickering LED tea lights are a friendly and safe alternative to having flaming little pots of wax situated around your home, but sometimes the flicker scheme leaves something to be desired. [Roger ...

A clock is by its very nature a device for measuring time, and thus it moves forward at a constant rate. But how about in a ...

Expensive lighting isn't automatically smarter.

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The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.