There are some components which are used within our sphere so often as to become ubiquitous, referred to by their part number without the need for a hasty dig through a data sheet to remind oneself ...
Problem: 4-wire PWM fans maintain constant 12V power, and the PWM signal only controls the internal motor driver. Many fans have minimum operating speeds or internal pull-ups that prevent complete ...
Should you spend some time around the less scientifically informed parts of the internet, it’s easy to find “Free power” stories. Usually they’re some form of perpetual motion machine flying in the ...
Teeth whitening is one of the most common at-home beauty treatments, largely because teeth discolouration can affect people’s confidence. It’s caused by drinking tea, coffee, juice and wine. But it ...