[vcf-midatlantic] Kind of OT: RS-485 to DMX-512

alan at alanlee.org alan at alanlee.org
Fri Nov 30 21:56:07 EST 2018

Computer Museum of America which will open in Summer'19 (along with a 
Cray exhibit with dozens of machines).


On 2018-11-30 19:34, Ethan O'Toole wrote:
>> And DMX512 isn't so non-vintage computing related.  I did some faux 
>> lighting panels for a Thinking Machines CM-2 recently.  The controller 
>> is built around an ESP32 with BT/Wifi.  I thought about adding support 
>> for artnet so the 4096 individually dim-able LEDs can be controlled 
>> with standard DMX universes :) Have to finish the project in January.  
>> Would be a good way for non-technical museum people to setup lighting 
>> patterns.
>> -Alan
> CM/2? Where!? The one at the Mountain View Computer History Museum? I
> only know of that CM2 in the wild, along with the Frostberg CM-5 at
> the NSA museum up the road in Maryland.
> A Cray and a Thinking Machines were my two "grails." I managed to get
> one, and the sheer weight let it be the final big machine grail :-)
> When I saw the CM-5 at the NSA Cryptographic Museum I was floored to
> find out it was some 9' high and is likely to cause difficully going
> into a truck. Not to mention through a normal door!
> 			- Ethan

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