[plug] Wanted: dirt cheap wireless LAN

[bob]

On Thu, 2 Jan 2003 07:49 pm, Leon Brooks wrote:
> On Thursday 02 January 2003 06:54 pm, bob wrote:
> > Hmm... I'm sure I've sent you this link before... Deja vu man :)
>
> Yes, that's why I mentioned (90 minutes before your post) that:
>
>     The Ronja Metropolis, fancy as it is, is too complicated.

Seem to have missed that post, wonder where it got to?

> I'm currently thinking along the lines of something very simple. A FET
> op-amp feeding a Schmitt to buffer the reciever and a simple
> emitter-follower to run the transmitter LED via a serial (RS232) port.
> Even if I only get 38400bps at that range, it will fulfill the
> requirement `at least as fast as a modem'. And who knows, I might even
> get 115200 bps for as few as 11 components plus lenses, tubes and
> mounting. I can't see anywhere that this has been done before, but it
> seems an obvious approach to me.

Hows your collection of old EA mags? :) This could be what you want
http://www.oatleyelectronics.com/kits/k130.html
May need more than the 5 IR leds to get the distance though :).

> Cheers; Leon

-- 
"Wish not to seem, but to be, the best."
-- Aeschylus