12-volt matrix input->output?
in [Design]
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From: Tony Williams on 1 Mar 2007 03:40 In article <es474c$aep$1(a)news.datemas.de>, Jan Panteltje <pNaonStpealmtje(a)yahoo.com> wrote: > One company where I worked would have sold the OP a PLC :-) :) Someone around here, (and I shall remain anonymous), did actually implement a 4-line to 12-line decoder in a PIC. PIC, RC-clock, 12 output transistors, 12 base resistors, all on a small daughter board that plugged into the original 4-line to 16-line IC socket. One of those desperately desperate retrofit mods to get him out of the brown stuff. :) -- Tony Williams.
From: John E. on 1 Mar 2007 11:37 Tony Williams sez: > ...implement a 4-line to 12-line decoder > in a PIC. OP request a non-PIC solution. Thanks, -- John English (OP)
From: Joerg on 1 Mar 2007 13:57 Rich Grise wrote: > On Wed, 28 Feb 2007 03:09:36 +0000, Joerg wrote: > >>Rich Grise wrote: >> >>>On Sun, 25 Feb 2007 13:44:40 -0800, Joerg wrote: >>> >>>>John E. wrote: >>>> >>>>>Thus spake Joerg: > > >>>>BTW we just brought a couple back from church and his name is the same >>>>as yours. He is a retired mineral engineer. I told him and he said that >>>>he never met another person with that name. At least not in the last >>>>nine decades or so and this guy has been all over the world. >>> >>>Not even Johnathan E from "Rollerball"? ;-) >>> >> >>To be honest I don't know who that is. > > > http://www.scifimoviepage.com/rollerball.html > Thanks. Didn't know that movie. Our theatre and TV intake is pretty miniscule. -- Regards, Joerg http://www.analogconsultants.com
From: Rich Grise on 2 Mar 2007 16:08 On Thu, 01 Mar 2007 16:37:46 +0000, John E. wrote: > Tony Williams sez: > >> ...implement a 4-line to 12-line decoder >> in a PIC. > > OP request a non-PIC solution. > I thought we had a new "rule" here - anybody who says, "Use a PIC" without showing their code shall be considered a "Troll". ;-) Cheers! Rich
From: Jan Panteltje on 3 Mar 2007 05:45
On a sunny day (Fri, 02 Mar 2007 21:08:22 GMT) it happened Rich Grise <rich(a)example.net> wrote in <pan.2007.03.02.21.08.49.358251(a)example.net>: >On Thu, 01 Mar 2007 16:37:46 +0000, John E. wrote: >> Tony Williams sez: >> >>> ...implement a 4-line to 12-line decoder >>> in a PIC. >> >> OP request a non-PIC solution. >> > >I thought we had a new "rule" here - anybody who says, "Use a PIC" >without showing their code shall be considered a "Troll". ;-) > >Cheers! >Rich Na, if you publish the code (I once did) then they also want a free programmer. |