[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors.

Some units offer different LED/laser diode outputs with a choice of wavelengths to better match application requirements. Q: Given the advances in components, circuitry, and software, what does a ...

In a charge led by guitarist Jimmy Page, it was decided that the album cover would instead bear a symbol which represented the band rather than the band name itself. Initially, Page envisioned this ...

The reliance on tech has extended the smartphone's role in our lives. It feels less like a machine and more like a companion. I don't look at my lawn mower the same way I look at my phone.

Choose one that targets your skincare goals. Whether you’ll use it regularly Because LED face masks are so expensive, make sure you’re interested enough in using it to commit to the amount of ...

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We propose a method for simultaneous articulated robot posture estimation and environmental mapping by integrating data from proximity sensors distributed over the whole body. Our method extends the ...

An LED (light-emitting diode) mirror, in particular, can be a major help. “Having good light makes all the difference,” says Amanda Thesen, a New York City-based professional makeup artist ...

It's easy to get distracted these days, thanks to the portable supercomputers in our pockets. Last year, a project aimed to strip things back to basics with a phone sporting a monochrome E Ink display ...

which can significantly affect their accuracy and cause false triggers. To minimize that, I came up with an idea to cover the IR sensor’s LED using black tape by leaving its focus point alone ...

Cree is aiming at horticulture lighting with a 660nm red led that is 6% more efficient than its XP-G3 Photo Red S Line devices. Called the XP-L Photo Red S Line, “this extra performance can be used to ...