Your ESP32 can do far more than sit around being a Wi-Fi gadget.

Your junk drawer is five weekend projects short of a smart home.

A retro fireworks animation for a BTF-LIGHTING 8×32 WS2812B LED matrix panel driven by an ESP32 DevKitV1 (ESP-WROOM-32). Rockets launch from the bottom row, steer toward a random altitude, and burst ...

The air around us rarely announces itself. Exhaust from a busy road, dust from a building site, smoke from burning leaves, ...

The IKEA Kortlinje is a digital clock that costs around 20 dollars, featuring a hygrometer and thermometer. It’s another cheap appliance, you might think, were it not that the display is a white LED ...

Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap some of the benefits without booking a professional ...

VIEWE has introduced the PLCM-UES31S043H800V480C-U, a 4.3-inch smart display module that appears to be the first third-party ...

The IKEA Kortlinje is a digital clock that costs around 20 dollars, featuring a hygrometer and thermometer. It’s another cheap appliance, you might think, were it not that the display is a white LED ...

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Smartphones may give us an easy access to a light source, but for seeing objects at a distance or brightening a workspace in places like the attic or under the sink, you need the power and range of a ...

As our beauty editor, I’m often asked by my friends about LED face masks. Do they actually work? The short answer is yes, but there are some caveats. These devices use various wavelengths, with red ...