You might wonder why [Kevin] wanted to build digital calipers when you can buy them ... waves with different phases into the assembly and measure the phase of the signal you receive.

To make those accurate cuts, it is important to know where the tool is located and how far ... using a Harbor Freight Digital Caliper. A housing was first fabricated so that the added equipment ...

A micrometer is a precision measuring instrument ... on the spindle or display on a digital screen. DIYers seldom need to ...