So when [Max Holliday] was asked to trick out some calipers for automating data capture, he had to get creative. [Max] found that cheap Harbor Freight digital calipers have the telltale door that ...

but thanks to [learnelectronics], we don’t have to — the video below provides a fascinating look at what’s inside a cheap pair of Harbor Freight calipers. Honestly, it doesn’t seem like it ...