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Andrew "Silver Blade" Greenwood wrote: > Having been tinkering around with some LEDs (changing the LEDs in my > router and computer), earlier today I had an idea. > > My m0n0wall machine is in the attic. I'm wondering if somehow I can > attach a custom-built device to the serial port and run a cable down > here (from serial port to device) for various purposes. > > The device would just consist of a few LEDs, mainly for the "pretty > lights" effect. > > What I'd be interested in doing is ultimately developing a small > PIC-based system where m0n0wall sends out various information to the > serial port. This information instructs which LED is to turn on/off. > > I thought of having an LED that goes on for a few milliseconds whenever > something is blocked by the firewall, and maybe another for when a > connection is made which is accepted. And maybe another for rejected > connections. > > After that, maybe a few more to indicate activity on certain ports > (http, imap, ftp) along with ranges (bittorrent / edonkey port ranges as > one LED) > > I'm wondering how I'd go about adding such a thing to m0n0wall. I'd have > to code it myself, I understand that. But how??? > > And how would my program get notified that a connection had been made / > data is flowing on a certain port? > > I also considered just using a network-based thing for this, but it's > not really valuable traffic and although its small, it might lag out a > bit as packets are bundled. > > Strange questions, I know. But I want to make a gadget :) > > --------------------------------------------------------------------- > To unsubscribe, e-mail: m0n0wall dash unsubscribe at lists dot m0n0 dot ch > For additional commands, e-mail: m0n0wall dash help at lists dot m0n0 dot ch > The wireing is very simple there was an example in the german "Linux Magazin", this offers you 2 LEDs and 4 inputs: http://www.linux-magazin.de/Artikel/ausgabe/2000/09/Seriell/seriell.html The source fpr this project: ftp://ftp.linux-magazin.de/pub/listings/magazin/2000/09/Serielle_Fernsteuerung/ I've put the wireing-diagram to my site: http://www.metatalk.de/led/cicuit.gif If you want to have more leds take a look at (parallel port) http://www.epanorama.net/circuits/parallel_output.html helmet |