[sdiy] [OT] oscilloscope fun

[Henry Birdseye]

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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