Once more opto-isolators are to be seen in Wonderland. The aim was to see if the faster photodiode types can operate quickly in common collector mode. They consist of an infra-red led and a fast npn ...

Ed Rhee, a freelance writer based in the San Francisco Bay Area, is an IT veteran turned stay-at-home-dad of two girls. He focuses on Android devices and applications while maintaining a review blog ...

Platinum has been considered a precious metal for a couple thousand years now, with folks in both hemispheres using it to show off their conspicuous consumption since about 700 BCE. This is partly ...

We may receive a commission on purchases made from links. The catalytic converter is a non-serviceable part that can last well beyond 100,000 miles; or, in some cases, the entire life of the vehicle, ...

Adobe Acrobat's toolset includes the ability to combine PDFs, bitmapped images and other document resources into files that contain pages of mixed sizes and orientations. If you need to convert PDF ...

Convert daily return to annual by formula: AR = ((DR + 1)^365 - 1) x 100. Annualizing different periods uses same formula, alter the exponent to match frequency. Use decimals for daily returns in ...

Gina Young is an accomplished finance writer who has written for publications including SuperMoney, Examiner, Lexington Law, Talk Markets, and CreditRepair.com. Throughout her career in finance, Gina ...

Fake PDF converters are tricking users with cloned sites and fake CAPTCHAs PowerShell command installs malware that steals browser and crypto wallet data Attackers use realistic designs and social ...

Are you thinking of making the switch from a physical SIM to an eSIM? The good news is that you may be able to simply convert your SIM card to an eSIM from your device. We’ll walk you through the ...

Converting between units is often something you have to do on the fly, and it is made easier when you memorise some rough equivalents. For instance, an imperial pint is 568 millilitres, but I often ...

Thanks to the Clean Air Act of 1970, all cars sold in the US after 1975 must have catalytic converters (cats) installed on them. That means that if you drive a relatively modern car, it should have ...

A High Efficiency Image Container or HEIC file is an image format that's usually used by Apple devices. It's a useful image format because it's considered to be both more compact in size and better ...