[snip] >> solutions have been there for some time already! >> >> BlowIt2051: simplest homebrew programmer for 89C2051: 2 transistors into LPT >> port, >> BA1FB: simplest homebrew programmer for AVR: wires only to LPT port. > >Where do you find these solutions? BlowIt2051 from our download page http://sistudio.com/sistudio/download.html I think support for it is also built in BascomLT basic compiler for 89C2051 supported now also by PIP04 software ftp://sistudio.com/pub/atmel BA1FB link can be found from our AVR page http://sistudio.com/avr.html more info about DIY AVR programmer on programmer support page at http://avrbasic.com antti AVR Basic Light NOW Available - Look for September Specials http://avrbasic.com Free AVR Basic Compiler Demo Edition