A tachometer used to be an accessory added to the dash of only the sportiest of cars, but now they’re pretty much standard equipment on everything from sleek coupes to the family truckster. If your ...

I know how to solder, but I do not always want to solder, and I think there are a lot of folks like me. Even if the act itself can be done (and undone, and redone), the friction of hauling out the ...