Holy mackerel.
A little solder, a voltage-shifting resistor network, a well-chosen capacitor or two, some Python code reimplemented in C, and …
There you have it: read your digital caliper into a Raspberry Pi.
From the inventive mind of famous Canadian Matthias Wandel. Fascinating.
Hacking Digital Calipers for Automated Measurements and Sorta-Micron Accuracy - We’ll take a guess that most readers have a set of digital calipers somewhere clos... - https://hackaday.com/2025/03/06/hacking-digital-calipers-for-automated-measurements-and-sorta-micron-accuracy/ #levelshifter #raspberrypi #toolhacks #metrology #calipers #encoder #serial
I bought a set of machinists tools at a garage sale this morning. They are a bit rusty and dirty so I’m cleaning them up with some WD40. This is the “before” photo. I’m going slowly and being gentle so the after might take a while to mainfest.
