On Wed, Feb 24, 2010 at 4:40 AM, ivp wrote: >> OT question: which CAD program did you use to produce the schematics? > > Ye olde cut 'n' paste > > http://home.clear.net.nz/pages/joecolquitt/circuit_symbols.gif > > Something I started with ex-lister Ken Webster many years ago > > I should put it up on piclist.com too Nice one. Last time a colleague (from India) made a lot of similar things, all using Paint. He could even use Paint to draw very nice pictures like some Hindu God. Amazing. -- Xiaofan http://mcuee.blogspot.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist