The author uses an arduino and a home made encoder to measure the cuts.
http://hackaday.com/2017/06/04/arduino-and-encoder-form-precision-jig-for-cutting-and-drilling/
The author uses an arduino and a home made encoder to measure the cuts.
http://hackaday.com/2017/06/04/arduino-and-encoder-form-precision-jig-for-cutting-and-drilling/