[sdiy] [OT] oscilloscope fun

[Oren Leavitt]

This brings up this old one about plotting the Logistic Equation:
http://www.analog-synth.de/synths/logequ/logequ.htm

- Oren

On 5/23/2016 3:45 PM, Henry Birdseye wrote:
> Apparently I need new drugs to completely appreciate this very cool vid.
>
> Thanks for that.
>
>
> On 5/23/2016 4:02 PM, Richie Burnett wrote:
>> Cool.  Some of these are quite mesmerising to watch...
>>
>> https://www.youtube.com/watch?v=YqSvkNjWnnQ
>>
>> The "How to draw mushrooms on an oscilloscope" video is quite
>> instructive too,
>>
>> -Richie,
>>
>> -----Original Message----- From: KA4HJH
>> Sent: Monday, May 23, 2016 8:26 PM
>> To: sdiy
>> Subject: Re: [sdiy] [OT] oscilloscope fun
>>
>>
>> On May 21, 2016, at 8:14 PM, henry birdseye <henry.birdseye at gmail.com>
>> wrote:
>>
>>> Dorking around making Lissajouses today.
>>>
>>> https://vimeo.com/167580411
>>
>> Here's a cool device that creates fascinating patterns on an
>> oscilloscope:
>>
>> http://www.astarcloseup.com
>>
>>
>> I buit one some time ago and it's fascinating to play with. It would
>> be an interesting gadget to have at a synth meet or a gig without
>> requiring the use of any of your modules. I recreated the original
>> magazine article and saved it as a pdf so all the info is there,
>> including the PCB layout (single sided).
>>
>> It's a fairly simple circuit and would be inexpensive to build if you
>> can make your own PCB. The only parts you may have finding are the
>> 4136 and the FETs.
>>
>>
>> BTW, I'm still not exactly how the phase shift works on OSC C. If
>> anyone can explain it to me I'll update the blog post and the pdf.
>>
>>
>> Terry Bowman, KA4HJH
>> "The Mac Doctor"
>>
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