Over my 50+ years as a master auto technician, vocational educator and vehicle owner, I learned the importance of a vehicle’s braking systemespecially the calipers. So, I never wait for my brake ...

A dead battery in your digital calipers usually means a trip to the store for a new button cell. Not for [Trevor]. His hack substitutes a super capacitor, guaranteeing you’ll never need to ...

Now, digital calipers with wired interfaces to capture the current reading are nothing new. But the good ones are expensive, and really, where’s the fun in plugging a $75 cable into a computer?