>your mouse is also a 1-D camera / scanner, and can be used to somewhat digitize something? On a totally unrelated note, the image sensors in optical mice are

>your mouse is also a 1-D camera / scanner, and can be used to somewhat digitize something? On a totally unrelated note, the image sensors in optical mice are actually low-resolution (16x16) 2D arrays. https://pickandplace.wordpress.com/2012/05/16/2d-positioning-hacking-an-optical-mouse/ https://pickandplace.wordpress.com/2012/05/16/2d-positioning...