From owner-freebsd-small Wed May 27 12:09:40 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA05519 for freebsd-small-outgoing; Wed, 27 May 1998 12:09:40 -0700 (PDT) (envelope-from owner-freebsd-small@FreeBSD.ORG) Received: from neuron.hippocampus.net (neuron.hippocampus.net [204.138.241.11]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA05495 for ; Wed, 27 May 1998 12:09:32 -0700 (PDT) (envelope-from marc@hippocampus.net) Received: from localhost (marc@localhost) by neuron.hippocampus.net (8.8.8/8.8.8) with SMTP id PAA19569; Wed, 27 May 1998 15:09:51 -0400 (EDT) Date: Wed, 27 May 1998 15:09:50 -0400 (EDT) From: Marc Nicholas To: Peter Dufault cc: Julian Elischer , freebsd-small@FreeBSD.ORG Subject: Re: LCDs... In-Reply-To: <199805271840.OAA18243@hda.hda.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-small@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Peter et al... On Wed, 27 May 1998, Peter Dufault wrote: > You could also drive the parallel connection on Optrex style > controllers through the parallel port. I would imagine this would become timing sensitive, no? > We use the I2C bus using the access.bus physical TELCO jack pinout > for this because these LCDs and buttons eventually run on > microcontrollers. I like this - it daisy chains well so you can > have a button module and a display module and click them together. How do you get an I2C bus on a PeeCee? Can you fake it somehow? I'd be interested in references for I2C buttons...or keypads. > Check the back of the mag "Circuit Cellar INK The Computer Applications > Journal" (circuitcellar.com) for some RS232 displays I know absolutely > nothing about (www.matrix-orbital.com). The Matrix Orbital stuff does indeed look neat, although a little expensive for our application. =marc -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Hippocampus OSD, Inc. "Industrial Strength Internet Solutions" vox://416.979.9000 fax://416.979.8223 http://www.hippocampus.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-small" in the body of the message