Catherine Holloway created this board to interface Mitutoyo dial indicators with a Teensy:
Teensy Mitutoyo Interface
Mitutoyo dial indicators can measure small displacements down to micron levels. I use them to calibrate motors used in quantum optics experiments, where every micron is several femtoseconds in the life of a photon.
The design files and source code are available on GitHub:
CatherineH/teensy-mitutoyo-interface
CatherineH shared the board on OSH Park:
OSH Park 