Normally, a car's rpm increase steadily and predictably as you step on the gas pedal. But there are several reasons why this ...

So I just bought this nice new switch off Ebay for cheap and it has 4 very loud fans in it. I'd like to replace them with lower noise (and lower flow, I'll take my chances) fans so I can hear myself ...

I just had an Idea. Sure was neat.<P>Make a small (bay/Fan)bus like thing, right? And have another connect on there for RPM sensors, lead that wire to an LCD screen mounted in the front, and using ...