My last column (“Designing with comparators,” EDN, March 29, 2001, pg 56) discussed basic comparator theory, and this column adds hysteresis to comparators to eliminate multiple switching on the ...

Image Comparator is a PHP library for image comparison and hashing. You can compare 2 and more images using perceptual hashing method. Based on https://github.com ...

The finger’s resistance varies depending on how much it is bent, so Brandon used an LM339 comparator to determine the mouse clicks. For the actual mouse interface he used the guts of a Gyration ...