[sdiy] New SDIY Guy Video: Oscilloscope Kit, DFAM, A cool film score patch and more

Jimmy Moore jamoore84 at gmail.com
Sun May 6 05:29:26 CEST 2018


Pete, is it this (or it's predecessor?)

https://www.seeedstudio.com/DSO-Quad-Aluminium-Alloy-Silver-p-1033.html



On Sat, May 5, 2018 at 8:57 PM, Quincas Moreira <quincas at gmail.com> wrote:

> Just measured, the voltage range goes well beyond what's needed for
> modular. it says 20v, but I think that's wrong and it's way more. My VCOs
> look good in the 2v setting.
>
> On Sat, May 5, 2018 at 8:46 PM, Quincas Moreira <quincas at gmail.com> wrote:
>
>> exactly!  It's certainly good enough for most SDIY needs, but nothing
>> near what a proper profesional scope is capable of :)
>>
>>
>>
>> On Sat, May 5, 2018 at 8:24 PM, Pete Hartman <pete.hartman at gmail.com>
>> wrote:
>>
>>> I think it's highly unlikely that a $20 kit scope is going to stand up
>>> to a professional unit like the Rigol in any kind of serious testing.
>>>
>>> However, it seems likely that the kit scope is likely to be "good
>>> enough" for the majority of what someone building kits, occasionally
>>> troubleshooting, or viewing waveforms is likely to need.
>>>
>>> I have a DSO Quad cellphone sized portable scope (also not what I would
>>> consider to be professional grade) that I use for nearly everything, and
>>> have for 6 years now.  There have bee a few times it's let me down, but by
>>> and large I've gotten by just fine.
>>>
>>> Pete
>>>
>>>
>>>
>>> On Sat, May 5, 2018 at 7:38 PM, Jimmy Moore <jamoore84 at gmail.com> wrote:
>>>
>>>> I'm trying to think of how you could do a shoot-out between the kit
>>>> scope and the Rigol..... but I'm also not an EE.    After watching your
>>>> video, I spent some time looking for quantitative reviews on the the kit
>>>> scope but everything seems to be a glorified build log.   I think it would
>>>> be valuable -- especially in the (synth) electronics hobbyist community --
>>>> to see how it's performance stacks up to something a little more
>>>> purpose-built.  (for audio rate applications, at least)
>>>>
>>>> I'm sure people here are much more qualified than myself to suggest
>>>> experiments and things to try and capture/measure that might highlight its
>>>> operating characteristics.
>>>>
>>>> But maybe this is more work than a $20 kit is worth.
>>>>
>>>> On Sat, May 5, 2018 at 6:13 PM, Quincas Moreira <quincas at gmail.com>
>>>> wrote:
>>>>
>>>>> I think it's actually pretty decent! I'm not an EE, so I don't know
>>>>> much about what a good scope has to be able to do (though I do have a good
>>>>> one, Rigol DS1104Z). What I can say is that the waves look accurate, and
>>>>> the voltage and time ranges are plenty appropriate for use with modular and
>>>>> synth DIY.  It would probably be enough for my needs as an amateur synth
>>>>> builder, though of course I'm glad I have something with more channels and
>>>>> a bigger screen.
>>>>> I took it to a gig I did recently and along with my tuner and my
>>>>> portable recorder, it was super useful to have while setting up a live
>>>>> patch.
>>>>>
>>>>> On Sat, May 5, 2018 at 7:02 PM, Jimmy Moore <jamoore84 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> I'd love to hear more about your opinions on that oscilloscope --
>>>>>> setting aside it's form factor and low-cost, does it have any measurement
>>>>>> chops? or is it just a fun visualization?
>>>>>>
>>>>>> On Sat, May 5, 2018 at 5:11 PM, Quincas Moreira <quincas at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hey fellows, I haven't been posting my vids here lately, but I think
>>>>>>> some of you might get a kick out of this one, I hope it's ok :)
>>>>>>>
>>>>>>> https://youtu.be/yjYh1GW3gXg
>>>>>>>
>>>>>>> --
>>>>>>> Quincas Moreira
>>>>>>> Test Pilot at VBrazil Modular
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Synth-diy mailing list
>>>>>>> Synth-diy at synth-diy.org
>>>>>>> http://synth-diy.org/mailman/listinfo/synth-diy
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Quincas Moreira
>>>>> Test Pilot at VBrazil Modular
>>>>>
>>>>
>>>>
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>>>>
>>>
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>>>
>>
>>
>> --
>> Quincas Moreira
>> Test Pilot at VBrazil Modular
>>
>
>
>
> --
> Quincas Moreira
> Test Pilot at VBrazil Modular
>
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