Hello, I've tried "Arian van Dorsten - logic analyzer using the PC's parallel port" and it seens interesting, but don't work on my computer. Anyone knows about other softwares like this? There's SoftLA, but I don't think it's free. Sujections? Best regards, Brusque ----------------------------------- Edson Brusque Research and Development C.I.Tronics Lighting Designers Ltda Blumenau - SC - Brazil www.citronics.com.br Say NO to HTML mail ----------------------------------- -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics