M5Stack's new Core Matrix packs 256 LEDs, Wi-Fi 6, motion sensing, and an ESP32-C61 into a tiny $30 IoT development kit.

Introduction: Stepping outside the intended use of the micro:bitThe 'micro:bit' is frequently used in elementary and junior ...

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[AncientJames] gives us a detailed look at Vortex, one of his impressive volumetric displays made with two back-to-back LED panels that spin at high speed with a Raspberry Pi 4 driving it all. Vortex ...

There are plenty of “robot” projects out there that are really just a small remote control platform of some sort. We often like to think of robots of having some sort of autonomy though. [Luca Fagioli ...

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A Raspberry Pi powered LED matrix sports scoreboard that displays live scores fetched from ESPN's API onto a HUB75 RGB LED panel. This project was inspired by the scorebug and ticker that is always ...

Yes, LED lights can fail at random times. CNET found out what's going on, and you should know, too. What’s going on? I decided to chat with manufacturers and experts to see why LEDs let us down, and I ...

Displays are devices for presenting information or recreating still or moving images. Numerous optical technologies are used in displays, including organic light-emitting diodes and inorganic ...

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 ...

Hello! This is Haraken Kobo! It's finally Halloween! 🎃✨This time, it's a special Halloween edition. Using a small microcontroller board, the micro:bit, I made a pumpkin image appear in the dark!I'm ...

Previously restricted to the four walls of a facialist’s clinic, LED face masks have now fully broken into the mainstream, with an increasing array of skin-tech brands offering at-home light therapy ...