Through this project tutorial, you can build a fire and smoke alarm system using Arduino UNO R4 ... that detects fire using infrared light and activates an alert through a buzzer and LED. How Does ...

You can mount your old smart TV on a wall near a power outlet in the living room, bedroom, or hallway, and turn it into a dedicated photo or digital art display. Load a USB drive ...

The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

The robot uses a whopping 32 IR sensors to follow a black line across a concrete workshop floor, adjusting its path using a steering motor salvaged from a power wheelchair. An Arduino Mega Pro ...

Physicists at ETH Zurich have developed a lens that can transform infrared light into visible light by halving the wavelength ...

In recent years, the world of optics has undergone a major shift. New research shows how light can be bent, focused, and even ...

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Red light therapy uses light-emitting diode (LED) technology and various wavelengths of light. Some people report that using these lights ... levels of red and near-infrared light for a certain ...

All of the best smart lights use LEDs, which means they're low energy: they deliver lots of light but they don't need lots of energy to do it and they don't run particularly hot either.

I’m always looking for quick and easy fixes to solve common bugbears in my home, and my latest conundrum was finding wireless lighting for my under-the-stairs closet. This small, yet solid ...

Switch to motion-sensor LED lights or solar-powered versions that charge in the sun and cost nothing to run. They offer both security and convenience while using far less energy - perfect for ...

Smart lights can be controlled using voice commands, motion sensors, or programmed automations ... then you might get the most out of an Alexa-led smart home. Similarly, a Nest security camera ...