First, you might trim the posts you are replying to. Above the part you wrote were 43 lines containing the complete text to two posts back, including several signature lines and PGP barf. Stephen D. Barnes wrote: > I intend to feature the dsPIC30F2010 That's a somewhat niche part with limited memory since it's intended for power supply control applications and the like. If you intend your tutorial to be more general purpose, I think the 30F4012 would be a better choice. It has more memory and more all around utility, but also comes in the same 28 pin package. The 30F3013 is another choice if you want to focus on high precision analog circuits for some reason. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist