Well, think again, as [Limi DIY] retrofits the processing element onto a custom track, extending the calipers measurement distance to ... on the principle of measuring an array of variable capacitors.

Getting a good measurement is a matter of using the right tool for the job. A tape measure and a caliper are both useful tools, but they’re hardly interchangeable for every task. Some jobs call ...

Instructables member AGBarber has created a fantastic measuring tool in the form of a Arduino powered digital tape measure called the DMW. Which cannot only measure distances on surfaces but can ...