how to drive an array of leds i have a project in mind that requires an array of leds that can be addressed individually by a microprocessor say x or so is there an lsi that is designed to drive an led array including ram to hold the array state or failing that some way of multiplexing the display so i don t have to latch a bit for each led using a discrete latch i want to avoid having a huge board covered with s if possible thanks in advance phil torre ptorre u washington edu
