Oscilloscope for Pedals and Effects

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This video gives a brief look at how you can use an oscilloscope for pedal design and advanced debugging. While every oscilloscope will have its own capabilities and features, they all have some in common that make them an indispensable tool for examining signals in a way that a multimeter or audio probe will never match.

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24 июл 2024

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Комментарии : 19

@jcb-ly9sm 6 месяцев назад

I really appreciate this video - as a guitarist/electronics hobbyist who's built 4 or 5 pedals now, I'm starting to get into the actual nuts and bolts of what's happening instead of just soldering components onto a PCB from a kit and hoping for the best. I've also started cracking open mass manufactured pedals and seeing how they work when I'm not trying to figure out where I screwed up in my own builds (which is often) :). Simply watching you probe around with a 'scope is helpful to get a sense of what the debugging process is and I really dug that. PLEASE do more of these around pedals and troubleshooting using the scope - I guarantee you that there are a lot of us out there that need to see this done to get a bit of confidence to understand what is happening instead of it it being 'I turned it on and I didn't get a sound/it doesn't sound right'. Kudos and subbed. Looking forward to more of this based on the diy'er pedal builder/trouble shooter.

@thescientificguitarist4228 6 месяцев назад

I'm glad I could help! If you have any specific suggestions for videos, you can contact me through the form on my webpage: scientificguitarist.wixsite.com/home/contact

@JulioNusdeoIII 6 месяцев назад

greetings from buenos aires, argentina. i love your channel and how you take the time for every single instance and the sharing of experience you do. thanks!

@thescientificguitarist4228 6 месяцев назад

Thanks!

@anthonyludington8320 6 месяцев назад

I'm really excited to watch this video because last weekend I was hanging around the house and googled "how to use an oscilloscope in pedal design". Lo and behold! Scientific Guitarist is on the case. :)) I love your content dude!

@thescientificguitarist4228 6 месяцев назад

Glad you found it useful!

@matroid4996 6 месяцев назад

Another thing to consider for advanced users: some oscilloscopes like Rigols can connect VIA usb and you can send serial commands to them and get data back. I have a script that controls my function generator and scope to generate automated bode plots of circuits. SUPER handy if youre like me and do initial design with a frequency response in mind

@thescientificguitarist4228 6 месяцев назад

Nice! I haven't plunked down the money for a nicer unit, but that may well change someday...

@mikejones-vd3fg 6 месяцев назад

I got the same scope, and so far have no issues with stable signals but im only using 1 channel , turning off the other so its gets the full bandwidth. I wonder if running everything at once lowers it performance, the 2 channels at once does cut the bandwidth in half they say but maybe the function generator also doesnt help. I was just messing with an stm32's DAC last night and checking the output and the scope does a nice job, had the idea to make a simple frequencey generator with the stm32 so as not to use the one in the scope. I think its a low bit(8) DAC while the stm32s are like 10-12bit. Id imagine the scopes processor gets bogged down having to process everything and put it on one screen including running the function generator so any load off is good id reckon. Why i thought of just getting another one if i need 4 channels or more bandwidth. But it looks like fsnir makes a similiar one now, but a tad better, also more expensive, but maybe makes using 2 channels more funtional so i dont know about getting another one of these. Or maybe its just triggering settings? im not a scope expert but i think you should be able to get a stable signal esepcailly at thse low frequenceies (1khz). Its when you start wanting high bandwidth signals into the megathertz is where i think id want a better scope. For audio id prefer high resoltuion and minijmum 100khz bandwidth, and thats within the specs of scopes like these and probably could DIY a better one with a soundcard or something. @@thescientificguitarist4228

@waynegram8907 6 месяцев назад

SCIENTIFICGUITAR, can you make a video giving a bunch of examples of when using the Oscilloscope EXTERNAL TRIGGER port? I'm not sure what type of signals or references to use as triggers to apply to the external trigger port, besides a Clock signal.

@rossireland4874 6 месяцев назад

hey thanks for the video. you said the black box is just a volume knob? do you have a schematic for it or is it just a potentiometer ? thanks

@thescientificguitarist4228 6 месяцев назад

Just a potentiometer wired as a resistor divider. As easy as you can get. I used linear taper so that I could dial in any voltage range equally easily.

@r-i-ch 5 месяцев назад

Recommendations for any specific models off of Amazon?

@thescientificguitarist4228 5 месяцев назад

The one I use is the Zeewei DSO2512G and I quite like it. I think you can find it on amazon, though I think it's a little more expensive there. There are tons of great options, it really depends on what features you want and need.

@dendriloquist 4 месяца назад

f%&#"ing genius thank you!

@thescientificguitarist4228 4 месяца назад

Glad you liked it!

@neysonza 6 месяцев назад

Is it just me or the volume on your video is a bit low compared to other videos here on youtube.

@matroid4996 6 месяцев назад

I've noticed that too

@thescientificguitarist4228 6 месяцев назад

Totally possible. I use a free video editor which doesn't specify things like LUFS of the final video. I'll see about making the levels a little stronger on the next videos.