Also - check out the Micro Engineering Labs (www.melabs.com) website for their em-ware eval. board - an inexpensive way to get started - $ 89.95 or so. Ralph Krongold ----- Original Message ----- From: Dale Botkin To: Sent: Sunday, June 18, 2000 11:19 AM Subject: Re: [OT]: Remote instrumentation over the web > On Sun, 18 Jun 2000, fernteix wrote: > > > I already know how to interface sensors and a motors to a PC using the > > serial or parallel port. > > I would like to learn how to do the same but over the internet. > > My question is about how difficult it is: the use of some software or is a > > complex matter. What matters I need to study? > > Please give me any links or the right keywords for searching. > > Many thanks for your help. > > Fernando, > > There are a few ways to do this. Seiko makes a single chip TCP/IP > controller you can use; emWare is software you can use on a PC gateway to > give you access to a PIC via the Internet. Several of us are also working > on developing various combinations of IP, UDP, TCP, and ICMP for PIC > applications to use the PIC directly. And I know at least one person is > working on an Ethernet implementation as well. > > I have seen source code for two PIC HTTP servers, and a web page for a > third that I suspect may be bogus -- at least I really, sincerely don't > believe that they've done all they say they have in the hardware they > claim to have used. > > Lastly, there should shortly be a new Web site, OpenPIC.com, where a bunch > of people will be working on this sort of thing. > > http://www.rmbeales.fsnet.co.uk/ > http://www.emware.com/ > > I can't find my link to the other HTTP server code, but it's not hard to > find links to if you look through the Pic webring. Also check the PIClist > archive for June, there's a whole topic thread about this - search for > "emWare", I think. > > Dale > --- > The most exciting phrase to hear in science, the one that heralds new > discoveries, is not "Eureka!" (I found it!) but "That's funny ..." > -- Isaac Asimov