I've built 2 Serial Pic programmers and none worked. I stumbled upon this schematic for a Parallel port programmer and hoping if someone can tell me if it works ?
Notice that it's cased, and even uses USB (so its great for laptops etc), and it comes with;
A series of twelve lessons are provided that cover I/O, interrupts, A/D converters, data tables and timers, with an additional lesson covering debugging features. All source code for the lessons is furnished. It's all in Assembler, but that's a great building block leading up to higher languages.