[vcf-midatlantic] das blinkenlights

Dave McGuire mcguire at neurotica.com
Wed Aug 5 21:06:39 EDT 2020


   That will work for a little while, but if they're fed from a common 
power source, they will very likely eventually sync up.  Google 
"injection locking".

               -Dave

On 8/5/20 7:59 PM, Bill Degnan via vcf-midatlantic wrote:
> There is a cool program that I run on my pidp8 called deeper thought that
> could be put into a raspberry pi.  Or just set up some caps and resistors
> that vary, with a 555 time to generate some random like effect
> Bill
> 
> On Wed, Aug 5, 2020, 7:49 PM Dean Notarnicola via vcf-midatlantic <
> vcf-midatlantic at lists.vcfed.org> wrote:
> 
>> A sufficiently complex pattern will give the impression of randomness and
>> keep it from getting tedious to look at.
>>
>> On Wed, Aug 5, 2020 at 7:47 PM Jeffrey Jonas via vcf-midatlantic <
>> vcf-midatlantic at lists.vcfed.org> wrote:
>>
>>> I have some front panels that I'd like to blink like in the movies.
>>>
>>> Since the human brain likes to find patterns, I suspect that
>>>
>>> pure random numbers are nowhere as satisfying as some patterns.
>>>
>>> Has anyone done research on that?
>>>
>>>
>>>
>>> Of course, I'll have multiple modes such as Conway's Life,
>>>
>>> counting in various ways, ring counters, etc.
>>>
>>>
>>>
>>> -- jeff jonas
>>>
>>>
>>


-- 
Dave McGuire, AK4HZ
New Kensington, PA


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