LED Matrix Display - (Not the big curved one) - swindon-hackspace

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Message from discussion LED Matrix Display - (Not the big curved one)
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Subject: Re: [shs] LED Matrix Display - (Not the big curved one)
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From: Robert Longbottom <Rober...@iname.com>
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Date: Sat, 6 Oct 2012 19:18:55 +0100
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Looks good!  Big curved one next week then? :-)

On 6 Oct 2012, at 04:44 PM, Tony Walmsley <tonywalms...@gmail.com> wrote:

> I managed to get this working after some faffing around:
> =20
> http://www.youtube.com/watch?v=3DzM8G0LvyPes&feature=3Dg-upl
> =20
> The software needs some work and I'll need to know how the museum wants to=
 use it so we can finish off the hardware design - the software is C++ and r=
uns on an Atmel AVR which will need to be an ATMega168 or better if its goin=
g to be any use as the font bit patterns will take up a fair amount of space=
.
> =20
> I can source a chip and knock up a suitable board, but if someone else wan=
ts to do that bit then I'm happy to let them - I can still do the software. I=
ts also possible to drive it using a PIC, RasPi or anything that can control=
 6 pins(and ground) as long as we have a programmer. I can document the inte=
rface so other people can use it as well if its not going to be a permanent f=
eature of the museum.
> =20
> Currently the message is just hard-coded, so we'll need to decide how it w=
ill be reprogrammed when the message needs changing.
> =20
> There is a redundant Z80-based microcontroller board that can be removed a=
nd used for other projects if the museum doesn't want or need it.
> =20
> Tony

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>Looks good! &nbsp;Big curved one next w=
eek then? :-)<br><br>On 6 Oct 2012, at 04:44 PM, Tony Walmsley &lt;<a href=3D=
"mailto:tonywalms...@gmail.com">tonywalms...@gmail.com</a>&gt; wrote:<br><br=
></div><blockquote type=3D"cite"><div><div>I managed to get this working aft=
er some faffing around:</div><div>&nbsp;</div><div><a href=3D"http://www.you=
tube.com/watch?v=3DzM8G0LvyPes&amp;feature=3Dg-upl">http://www.youtube.com/w=
atch?v=3DzM8G0LvyPes&amp;feature=3Dg-upl</a></div><div>&nbsp;</div><div>The s=
oftware needs some work and I'll need to know how the museum wants to use it=
 so we can finish off the hardware design -&nbsp;the software is C++ and run=
s on an Atmel AVR which will need to be an ATMega168 or better if its going t=
o be any use as the font bit patterns will take up a fair amount of space. <=
/div><div>&nbsp;</div><div>I can source a chip and knock up a suitable board=
, but if someone else wants to do that bit then I'm happy to let them - I ca=
n still do the software. Its also possible to drive it using a PIC, RasPi or=
 anything that can control 6 pins(and ground) as long as we have a programme=
r. I can document the interface so other people can use it as well if its no=
t going to be a permanent feature of the museum.</div><div>&nbsp;</div><div>=
Currently the message is just hard-coded, so we'll need to decide how it wil=
l be reprogrammed when the message needs changing.</div><div>&nbsp;</div><di=
v>There is a redundant&nbsp;Z80-based microcontroller board that can be remo=
ved and used for other projects if the museum doesn't want or need it.</div>=
<div>&nbsp;</div><div>Tony</div></div></blockquote></body></html>=

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