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 ...

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 ...

Expensive lighting isn't automatically smarter.

Nearly 80 middle school students discovered on a recent Wednesday in May that the distance between the classroom and a launchpad is shorter than they thought. The Brandywine LaunchBox hosted its ...

[Dominic Buchstaller] wanted a neat, tidy entryway keypad that actually looked good. Prime goals were something slim, wireless, and with no visible screws. Dependency on the cloud was also a no-go.

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