Alt-BEAM Archive

Message #09173



To: beam@sgiblab.sgi.com
From: Chiu-Yuan Fang chiumanfu@home.com
Date: Thu, 13 Jan 2000 20:19:10 -0800
Subject: [alt-beam] Re: BEAM VIDEO was Solar Powered Camera's


Datasheet at:

http://www.geocities.com/SouthBeach/6897/extras.html

Their called "Tiny Logic" from Fairchild Semi.

Just lurcking around...

Richard Piotter wrote:
>
> I'd love to get my hands on single or dual unit schmitt triggered
> inverters in surface mount packages.

--
Chiu-Yuan Fang
chiumanfu@home.com
ICQ=5614919
http://www.geocities.com/SouthBeach/6897/beam2.html



9174 Thu, 13 Jan 2000 23:29:22 EST [alt-beam] Re: FLED issues beam@sgiblab.sgi.com Bumper314@aol.com In a message dated 1/13/00 7:50:21 PM Mountain Standard Time,
beh01@uow.edu.au writes:

> Sure - so long as the gain is reasonably high. (200 or higher). This is
> the hFE value given in the spec sheets.
>
> You said that the circuit worked on the breadboard, so your transistors
> should be fine.
>
> If you do decide to experiment around with various transistors, breadboard
> the circuit first to make sure that it works. You only need to breadboard
> one side of the circuit, though.
>

Well what about the main cap, can it be .075F you think? or would the steps
be to big? How small could it be?

Steve



9175 Thursday, January 13, 2000 7:29 PM Re: BEAM LEGO was RE: microcore experimentation kit beam@sgiblab.sgi.com David Perry
>oh god what have i started. Well thats the general idea. I think i'll have
>to offer two kinds - one basic tiny one with pot, cap, the gate and
>connections. And a more prototype version which is capable of being turned
>into a neural net and is fully modifiable.
>I like the idea of lego, i could add pin stripes which allow each neron to
>be joined (directly or with cable). Then all the power connections would be
>together, allowing you to easily integrate things like SE outputs, batterys
>and various bias (PD, heat sensors, etc).
>
>David
>-----Original Message-----
>From: Wilf Rigter
>To: 'beam@sgiblab.sgi.com'
>Date: Friday, 14 January 2000 5:18
>Subject: BEAM LEGO was RE: microcore experimentation kit
>
>
>>What about BEAM LEGO?
>>
>>For example, put the Nv complete with trimpot and LED into a suitable
block
>>with GND,V+, INPUT, OUTPUT, BIAS POINT contacts in such a way that the
>>blocks can be put side by side and interconnections made with a SOLARCELL,
>>NiCAD, SUPERCAP, PD SENSOR, DRIVER and MOTOR block. The default contact
>>arrangement should allow standard uCore walker to be assembled in BEAM
>>PLUG'nPLAY fashion. A JUMPER and PROTOTYPE block can be used to configure
>>experimental BEAM LEGO Bots. In this way standard BICORE, PHOTOVORE and
>>other BEAM bots can be bundled into standard kits.
>>
>>So what do you all think?
>>
>>wilf
>>
>>
>>> -----Original Message-----
>>> From: Bruce Robinson [SMTP:Bruce_Robinson@telus.net]
>>> Sent: Wednesday, January 12, 2000 11:46 PM
>>> To: beam@sgiblab.sgi.com
>>> Subject: Re: microcore experimentation kit
>>>
>>> > David Perry wrote:
>>> >
>>> > What if (as someone suggested) i reate a small circuit board complete
>>> > with a single schmitt inverter and either a plug to put in your own
>>> > resistor or an adjustable pot built in.
>>>
>>> So, what exactly are you gaining, David? Just MORE stuff to plug in.
>>>
>>> Why not include the pot (make sure it isn't one of those 50-turn-life
>>> things) AND the capacitor. Provide 4 connection points:
>>> - capacitor input (Nv input).
>>> - pot input (Nu input).
>>> - inverter input (so you can inject or kill pulses.
>>> - inverter output (obviously).
>>> And power & ground, of course. That's a six-pin board.
>>>
>>> You may want two or three versions with different size capacitors.
>>>
>>> But if you're going to do that, why not use a hex surface mount and
>>> supply six circuits similar to the above? That gives you 26 pins.
>>> Perhaps you could size the board to plug into a 28 pin socket.
>>>
>>> Hmm ... Is this really getting any easier? :)
>>>
>>> Bruce
>


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