We can use them to cut things, create laser light shows, and also as a rangefinder.[Ignas] wrote in to tell us about [Berryjam’s] AMAZING write-up on creating an Arduino based laser rangefinder.

He suspected EMF interference so as a quick first step he decided to throw together an EMF detector using an Arduino. It uses a bank of LEDs as an indicator bar to reflect the EMF picked up by the ...

We've developed numerous Arduino modules for various fields of teaching. Each section is divided into kindergarten through 6th grade and 6th grade through 12th grade. While some of these modules can ...

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Burns School of Medicine), introduced a low-cost, stencil-based method for producing sensors made from laser-induced graphene (LIG), a key material used in wearable sensing platforms. "This ...

microstructures based on laser speckle grayscale lithography. The RCA microstructures were used for fabricating highly sensitivity flexible capacitive pressure sensors. These sensors proved to be ...

An audio amplifier and switching device for a stereo system. The receiver contains inputs for all the audio sources and outputs to one or more sets of speakers. It may also include an AM/FM tuner.

The best laser printers on the market are the ones that consistently deliver pages of high quality at lower printing costs than the competition, without causing you headaches. I know because my ...

Forget about the side effects of shaving and the pain of at-home waxing — laser hair removal makes it easy to achieve smooth, lasting results from the comfort and privacy of your own home.

The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

Both sensors measure rate of change; they just measure the rate of change for different things. In practice, that means that an accelerometer will measure the directional movement of a device but ...