Once upon a time, there was a bit of a fad for fingerprint authentication in laptops and desktop computers. It has long since ...

Patients are being warned to stop using some glucose monitors made by Abbott Diabetes Care after the company found malfunctioning sensors may be linked to hundreds of adverse events and several deaths ...

Tachometry, the measurement of the speed of spin of rotating objects, is a common application. Some of those objects, however, have quirky aspects that make them extra interesting, even scary. One ...

I wish I had a dollar for every time I was asked this, or asked someone else this. These numbers are critical for determining when certain aircraft inspections are due, when airworthiness directives ...

Abstract: DC motor could be controlled different ways with different approaches. One of the problems has been identifying internal specifications of DC motor such as Torque constant, back-emf constant ...

Hall effect sensors are everywhere right now. Keyboards, game controllers, and DIY kits use them for more precise inputs. But with any newly popular device, it can be easy to immediately jump onto the ...

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I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Pulseless ventricular tachycardia occurs when an abnormally rapid heart rate originating in the heart’s lower chambers makes a pulse undetectable. Emergency cardiac defibrillation is usually necessary ...

Learning electronics? Then, chances are you already know what an Arduino is, or at the very least, you've heard of it. After all, it's among the most popular electronics platforms available in the ...