Hi folks, I just wanted to point you to: http://www.rentron.com Where I have started to do a series of weekly articles. This week was for a simple Parallel Port driven 16F84 programmer. It is a bit different from the traditional AN589/COM84 programmers (ie people will probably say it has my "touch" about it). What is probably most interesting about the programmer is that I use an RC circuit on board to provide external timing for the PC to ensure that different speed Processors don't affect the programmer's operation. I'm interested in hearing what people think, myke