> Dare I say it, but (whisper) Maxim (/whisper) probably have a suitable chip. > They have all sorts of LED control stuff, much aimed at cell phones, but > they do stuff for larger LEDs too. Oh.. Them.. Yeah, I should probably have a look, I only need a few hundred this year. I then have time to redesign. :) I keep running into exclusives, either they have the current out, OR they have operation from better than 10V, but not both, and damned few have I2C to start with. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist