09390 Re: Pertaining to the Hextile things. You should really make them

Alt-BEAM Archive

Message #09390

To: beam@sgiblab.sgi.com beam@sgiblab.sgi.com
From: Richard Piotter richfile@rconnect.com
Date: Thursday, 20 January 2000 12:10
Subject: Re: Pertaining to the Hextile things. You should really make them

>I may be busy, but I have pleny time to play with the designs. School
>was canceled due to snow. Empty parking lots and an accelerator are so
>fun! :)
>
>David Perry wrote:
>>
>> Hooray! That be great, everyone's happy! Do you want to work on the
design
>> or shall i?
>>
>> David
>> -----Original Message-----
>> From: Richard Piotter
>> To: beam@sgiblab.sgi.com
>> Date: Thursday, 20 January 2000 4:00
>> Subject: Re: Pertaining to the Hextile things. You should really make
them
>> hextiles and not DIP
>>
>> >That's a fair design, with the cables!
>> >
>> >Wow... I thought you realy only wanted one board, and the DIP in the
>> >hextile, and cutting it out was simply a way to get the DIP while still
>> >pleasing the majority and giving them hextiles. I had though of a
>> >hextile with a socket that would accept the DIP. Never once thought
>> >though that it could be the idea you wanted! That's even better, caus
>> >ehte DIp can be used on Breadboards, custom PCBs, and then still be able
>> >to go back to the hextile board. That's practicaly perfect! I thought
>> >you wanted only one board and that it would be a choice, hextiles being
>> >the winner. If this is all true, then I can be very happy with it!
>> >
>> >I sure hope we are both thinking the same thing here! Haha! Had I only
>> >known! :)
>> >
>> >You could have the hextiles (tritiles?) aranged in straight lines, and
>> >then the DIP portion along side the thing (I assume you'd have them
>> >manufactured in sheets, much like hextiles usualy are. I'm looking
>> >forward to these things!
>> >
>> >As for desoldering, not everyone has a desoldering tool. I know, they
>> >are cheap, but still. You could have the 5 configuration points and then
>> >just solder in what you want. No default. That'd be reasonable too. The
>> >hextile might be shrunken down too if the DIP plugs into it, as some
>> >wiring beteen neuron and hextile contacts can exist in the center of the
>> >DIP area, since the DIP nolonger actualy takes that area. It'd sure be
>> nice!
>> >
>> >
>> >David Perry wrote:
>> >>
>> >> >The Nv/Nu deal being
>> >> >configured by the board also prevents you from putting the wrongly
>> >> >configured neuron in a socket (yeah, you'd just switch the resistor
and
>> >> >cap, but if it's standardized, it's simpler to work with).
>> >>
>> >> Fair enough
>> >>
>> >> >below, where i talk about cutting the DIP out, I'm refering to
cutting
>> >> >the hextile's outer PCB, leaving only the core, and soldering headers
to
>> >> >it, thus CONVERTING it into a DIP package INSTEAD of a hextile.
>> >>
>> >> I get that, but i propose that you have two PCB's, one DIP and the
>> hextile
>> >> base with a IC socket so that it can be converted to and from DIP and
>> >> hextile.
>> >>
>> >> >trace cuts are easier to work with. they can be resoldered easy. you
>> >> >have it configured by default to be an Nv, and by cutting the
existing
>> >> >traces and soldering the pre opened pads. Desoldering such tiny pads
is
>> >> >more dificult than cutting a trace. Believe me, I know!
>> >>
>> >> I've never had any problems doing this with a desoldering pump. It
just
>> >> seems to me that cutting the trace isn't a very elegant solution.
>> >>
>> >> >What exactly are you talking about with headers and cables???
>> >>
>> >> Okay, imagine on the end of each DIP that you have a 3 pin header
(maybe
>> two
>> >> for branched NV nets), each header has 2 power lines and the signal
line.
>> >> You use a 3 core cable to carry the signal (and power) from neuron to
>> >> neuron. The point of which is so you don't have to wire up the power
>> lines
>> >> for each chip.
>> >>
>> >> David
>> >--
>> >
>> >
>> >Richard Piotter The Richfiles Robotics & TI web page:
>> >richfile@rconnect.com http://richfiles.calc.org
>> >
>> >-- Make Money by Simply Surfing the Net or responding to E-Mail!!!
>> >-- Click below!!!
>> >
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>
>--
>
>
>Richard Piotter The Richfiles Robotics & TI web page:
>richfile@rconnect.com http://richfiles.calc.org
>
>-- Make Money by Simply Surfing the Net or responding to E-Mail!!!
>-- Click below!!!
>
>http://www.alladvantage.com/go.asp?refid=ATL147
>http://www.spedia.net/cgi-bin/dir/tz.cgi?run=show_svc&fl=8&vid=329630
>http://www.utopiad.com/member/getPaid?refId=284400
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