Re: Wall of RAM
- From: Rich Grise <richgrise@xxxxxxxxxxx>
- Date: Tue, 03 Jan 2006 15:50:03 GMT
On Sun, 01 Jan 2006 19:25:50 -0800, logjam wrote:
> A while back on ebay I was just looking around and came upon 50,000
> LEDs.
>
> Ebay is a dangerous place, I can understand how women go to the store
> and spend $800 window shoping.
>
> $300 later and I have 50,000 LEDs in the mail
....
> Does anyone think its possible to use capacitors and high current
> drivers to use the LED+capacitor combination as ram?
Yes, but it'd be a nightmare to design; you'd have to come up with
a whole refresh scheme. I'd use flip-flops or real RAM.
> The goal of the project would be a wall of cards, say 4k of ram max.
> This wall of ram would interface to either the Altair that I bought OR
> the Apple 1 kit that I bought on ebay.
>
> What do you guys think?
I think you're crazy, but it does sound like a kewl idea. :-)
> It seems that with some RAS/CAS decoding logic
> that it shouldn't be too hard. The cons of this project are the cost
> of 4,096 capacitors and PCBs. The pros of the project are, well, it
> would look really neat. :)
>
> Tell me what you think.
If you want to do it, (and have the cash) do it. "If you build it,
they will come". :-) Take pictures, and _then_ see what other people
think. :-)
Good Luck!
Rich
.
- References:
- Wall of RAM
- From: logjam
- Wall of RAM
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