On Mon, Sep 10, 2012 at 1:39 PM, alan smith wrote: > So looking for a non powered visual indicator..ie...something that change= s color, that would be tripped by the micro that a tech would be able to lo= ok at and say...failed board due to....X > > So when the board is running this "thing" can be controlled and then its = forever changed in state, even with the power off. > > > Can't have smoke...so making a resistor crispy isnt allowed. > > Any thoughts? > > First thing that came to mind: http://en.wikipedia.org/wiki/Flip-disc_display I don't know where to source such a thing, or if they can be made persistent with a power off. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .