::http://www.hownottoengineer.com/projects/rgb-led-cube.html Interesting, there is though an error in the schematics, the anode driving= =20 transistors are PNP and he has the pin designators as NPN. Colin=20 -- cdb, colin@btech-online.co.uk on 7/04/2012 =20 Web presence: www.btech-online.co.uk =20 =20 Hosted by: www.justhost.com.au =20 =20 This email is to be considered private if addressed to a named individual= =20 or Personnel Department, and public if addressed to a blog, forum or news= =20 article. =20 =20 =20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .