The obvious answer is e-paper. I know that there are some 7-segment and also 2x16 alphanumeric available. Isaac Em 10/09/2012 14:39, alan smith escreveu: > 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? > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .