(Archive of: http://www.thing-a-day2.com/2008/02/08/day-8-thing-8-place-holder-for-rotation-sensors/ ) Today I made 2 new pieces of things but not the new thing that I had intended as todays thing today. So for now the the y axis that I built for a future drawing machine, and the limit switches that I added to the etcha sketch mechanism will have to… Read more »