To zoom in, once you acquired the signal, you have to go to the time scale selector and start lowering the value till it starts zooming. It's quite strange that at the first scale change it won't zoom in just after you lower the scale a few times. But it zooms in perfectly.
Perhaps worth to mention - this thing is also known as DSO Quad, with helpful documentation & resources here: wiki.seeedstudio.com/wiki/DSO_Quad I myself found the UI nearly unusable - but i replaced it with an alternative firmware, which i found to be much better. Btw, it is also possible to run other apps on this thing - i found the logic analyzer quite useful... Edit: firmware i'm running is 'Wildcat Edition', afaik here www.seeed.cc/DSO-Quad-community-edition-Wildcat-updates-t-6071.html
Thanks I've seen the DS202 work and I love this little scope for quick audio or even maybe some automotive work. Where crawling around under the dash or awkward positions would be a big help. I agree with you 100% this is not a bench scope, but it could be used for lower frequencies if that's all you have. The a few topics I didn't hear you discuss was the battery life or how to charge it or if you can put a power adapter on it, and if the software can be updated. I just purchased mine based on what I saw of a friends DS202 over two years ago, hence that's why I visited your video. Thanks for the posting and your hard work. Best Wishes n Blessings. Keith
I did not cover the battery live because it is not easy to measure because of the auto-off function. But in my scenarios, it was never a limiting factor because I was able to use it for hours. So, I could have mentioned at least this fact, you are right... I did not try to update the software because I did not bother and did not want to brick the tool. It works fine as I have it for now. So, I also did not want to give "untested" recommendations.
Ive searched high and low for a good osilloscope , eventually I bought a velleman HPS140i , it only had one channel but dat didnt matter to me As much as a high voltage input , the velleman has 100 volt input tolerance so with the x10 button it could be 1000 volt , the device is also a Cat 1 so it is safe to measure behind a fuse in 230 volt systems ,
Wildcat firmware written by the community and a big advance on the original, is difficult for people to 'find' to load it. Basically you download a big text file which is actually a hex file, then rename it appropriately and use it to flash the ROM. Any difficulties get back to me here and I will give details.
Great little tool I bought long ago (my first scope, and it saved my day more than once! ). I then bought a basic rigol scope later on, mostly because the DSO interface is hellish -- and even tough I upgraded the firmware to a better one (not to the latest though). But the DSO still is very convenient to observe signals in the field or far from the mains. Now a big issue is that my screen soon started to flicker as if the lightness was pushed too far while the contrast was reduced. Then the problem worsened to the point the screen is permanently and barely visible! :( The nice thing is that the schematics and code are open source. The bad thing is that I really have no clue how to fix this (defective screen controller?!)... and it looks like I am the only one to have experienced this issue :/ As seen here: plus.google.com/+JeremieFrancois/posts/bWnPYSCpdaB
I just bought one of these for working from hotel rooms when I am away from home. I haven’t tried it yet but be interesting to see if they have fixed the measurement errors
Thanks for the review Andreas...I couldn't tell but does it have a "X-Y" input function capability? I have a need for a small display for a VERY old homebrew spectrum analyzer project so as not to tie up a bench scope.
I have an extremely cheap diy oscilloscope, a DSO138. I've found it useful as a diagnostic tool in analogue circuits for situations where a multimeter is useless but accuracy and sample rate are not critical. My main complaint is the lack of a rotary encoder, and that seems to be a downside to the DSO in this video. Clicking buttons for adjustment is neither fast or accurate, but has to always be some compromise between the fast and accurate.
Great review! Question - The majority of my technological expertise is related to Linux, software automation, web development (mostly server side), and other similar software. However, I'm starting to delve into your realm, electronics. Thus far, I've worked with the Raspberry Pi quite a bit, and I'm now starting to get off the ground with Arduino. So, for the question - As far as microcontrollers go, I consider myself a novice. I'll be prototyping some projects using Arduino and teaching myself how to do so. My knowledge on oscilloscopes in general is pretty minimal (I've never sed one, but I am familiar with the basic operations and what they're used for. With this in mind, do you think this is a good oscilloscope for someone in my shoes? Or would you suggest one of the more expensive $350+ desk units? Thanks! P.S. - Subscribed! P.S.S. - I realize this was posted ~2 years ago. Is there a different oscilloscope in the same league as the DS203 that you would recommend?
Welcome aboard the channel! Since the oscilloscope is one of the most important tools in hardware development I would not go for such a small one as my main one. One of the best deals seems to be the new Siglent SDS 1000X series. It might be in the range of 400 $. If you stick to the hobby you will not need a new one for many years to come...
Hoi Andreas, cooles Viedo! Ich habe mir so ein DS203 gekauft und brauche es für die Fahrzeugelektrik. Ich habe probiert ein Sekundärzündsignal aufzuzeichnen aber habe es nicht hingekriegt! In der Regel kann man das Signal über das induzierte Magnetfeld auf der Zündspule messen. Liegt das an den 72 bzw. 10MHz? Oder habe ich das ding falsch eingestellt? Freundliche Grüsse nic
Da kenn ich mich zu wenig aus. Grundätzlich würde ich schauen, ob das Signal im angezeigten Spannungsbereich liegt (schau auch, ob dein Tastkopf auf x1 oder x10 eingestellt ist. Wenn es kurz ist, ist der Trigger level und die Richtung wichtig. Un dann kannst du ja auch noch die Speicherfunktion verwenden. Zu den MHz: Ich glaube, dass du zumindest etwas sehen solltest. Das Signal sollte nicht so schnell sein.
Hi Andreas, could you please provide your advice on why it should be worth paying for costly DSOs and when it should be ok to get a cheaper one? Hope this is an acceptable request. I haven't found such review among your videos. Thank you
Thanks very much. Have you seen a similar oscilloscope that is maybe a bit easier to use, and perhaps a bit more expensive? In addition, have you seen anything that can use a tablet as well as some hardware? I am thinking of the picotech products that use a pc. They are really good. When you are away from your lab, you will often have a tablet, so hving something that integrates with that could be very good.
I did not see oscilloscopes for tablets, but I did not search for them. Your other choices are: Desktop oscilloscopes or boxes which are connected to a PC using USB. Both have a simpler user interface because they are bigger.
This is interesting. I started to get overly excited, but with distorted portrayal of waveforms above a few kilohertz, I'll keep my bellman analog portable scope for now and wait until these portable DSOs improve. The frequency limitation is a deal breaker for me. Thanks again!
Andreas Spiess I do have a 4 channel capable of properly representing a100 MHz (analog) Benchtop DSO in my new lab. I like all the bells and whistles it hss.
Gets embarrassing to seem to be a shill for Wildcat firmware (which is free, written by the community). Bandwidth on the earlier hardware combines two channels if you want, and uses that 72 msps to get to display a waveform up to about 13 MHz. I haven't fully tested the FFT function but in theory that can give frequency components up to the sampling rate. Does waterfall displays too. I hadn't used my dso203 for a couple of years, but now it is definitely in use as it does things my tabletop scope doesn't do, and at about 7 MHz bandwidth it is "good enough".
An improved software version is available called Wildcat. (my version is 5.6). Search under Wildcat dso203... The manual for wildcat that I have is long on text, nonexistent on graphics, but it explains what to do very well. Wildcat doesn't just do scope functions - it also does fft, serial signal decoding and other functions, which make it fairly awesome !
Sounds interesting, but a little pricey just for a test (I do not need another logic analyzer or oscilloscope for my lab). Maybe Seed Studio provides me with a test equipment ;-)
nice review, exactly what i looked for :) just hilarious how elecronoobs copied your review... it really felt like looking your video a 2nd time :D The content, structure and even the technical explanations are the same
Use Wildcat firmware - does everything the default firmware does but a lot better and with a lot of fantastic functions,and yes, includes XY at high bandwidth.
Hi do you think this oscilloscope is good enough for simple logic circuits with for example 555 timers ? What limitations I can have if I am only working with some examples of logic gates and try to recreating some flip flops using transistors / resistors? thanks
It has the limitations described in the datasheet. For simple things, this oscilloscope works well. If mobility is not a must I also would look at cheap desktop oscilloscopes. They are much more comfortable to use. And if you want to look at digital signals a logic analyzer could be a good thing. You find them below 10$ at Aliexpress. I even did a video about it (#76)
Hi and for learning logic circuits, which oscilloscope you think is better ' Siglent Technologies SDS1202X-E 200 mhz Digital Oscilloscope 2 Channels, Grey' or 'Rigol DS1054Z Digital Oscilloscopes - Bandwidth: 50 Mhz, Channels: 4 ' ?
Siglent and Rigol are respected brands. I do not know these oscilloscopes so I cannot recommend one. I was happy with my Siglent (an earlier generation)
I have just received my DS203 from amazon. All I use this for is to measure Arduino and Raspberry pi's. I think its perfect for the cost and what I am doing with it. I was using a LED and a voltmeter to see my I/O's. I only need to see the bumps ,the lumps and the direction the waves are headed. My question is can you measure mains with these units. Like 120v a/c or 230v a/c. I have searched high and low. I have only found someone using a DSO138 DIY kit to do it.
Thanks for the quick reply. I have read this as well. There is video on RUclips with the diy kit ds128 reading a transformer. Thought the ds203 would do it as well.
I do not know of special requirements of car technology. 12 volt is no problem with this device. But maybe you google if somebody has particular experience with it in your application.
For less than €100, you can get the OWON VDS1022 PC based scope which is a true 20MHz scope with a usable interface and real probes. Or you can find a second hand proper analog scope.
I just purchased a used one for $85.00 dollars on eBay with free shipping. Unfortunately it does not have probes. But I still thought that was pretty cheap for a nice mini scope. Keith
You didn't say so, but at 6:00 mins, the period shows as 252 microseconds, so f=1/T (T being the period), it's just under 4kHz www.sensorsone.com/period-to-frequency-calculator/
+Martin Bless There are no bad oscilloscopes. Just cheaper and more expensive ones. I had a budget of about 1000$ and bought one for this budget. I recommend the same. Concerning brand: I like Siglent (I also have the waveform generator and the spectrum analyzer from them). But Rigol seems to be very comparable.
For the price you can get tremendously better scope than this piece of junk, it's not worth to buy even for one forth of oryginał price. Absolutely unintuitive and powerless device
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To zoom in, once you acquired the signal, you have to go to the time scale selector and start lowering the value till it starts zooming. It's quite strange that at the first scale change it won't zoom in just after you lower the scale a few times. But it zooms in perfectly.
Thanks for the tip!
Perhaps worth to mention - this thing is also known as DSO Quad, with helpful documentation & resources here: wiki.seeedstudio.com/wiki/DSO_Quad
I myself found the UI nearly unusable - but i replaced it with an alternative firmware, which i found to be much better.
Btw, it is also possible to run other apps on this thing - i found the logic analyzer quite useful...
Edit: firmware i'm running is 'Wildcat Edition', afaik here www.seeed.cc/DSO-Quad-community-edition-Wildcat-updates-t-6071.html
I have to try it once. Thanks for your info.
Thanks I've seen the DS202 work and I love this little scope for quick audio or even maybe some automotive work. Where crawling around under the dash or awkward positions would be a big help. I agree with you 100% this is not a bench scope, but it could be used for lower frequencies if that's all you have. The a few topics I didn't hear you discuss was the battery life or how to charge it or if you can put a power adapter on it, and if the software can be updated. I just purchased mine based on what I saw of a friends DS202 over two years ago, hence that's why I visited your video. Thanks for the posting and your hard work. Best Wishes n Blessings. Keith
I did not cover the battery live because it is not easy to measure because of the auto-off function. But in my scenarios, it was never a limiting factor because I was able to use it for hours. So, I could have mentioned at least this fact, you are right...
I did not try to update the software because I did not bother and did not want to brick the tool. It works fine as I have it for now. So, I also did not want to give "untested" recommendations.
Good points, thanks for your knowledge. Best Wishes n Blessings. Keith
As a tinkerer radio operator I find it useful, I don't count on it to give truly accurate results. Nice video thanks.
+Jim Whitaker Thanks for your feedback!
Hi Andreas, yet another great video, thank you for sharing.
You are welcome!
Ive searched high and low for a good osilloscope , eventually I bought a velleman HPS140i , it only had one channel but dat didnt matter to me As much as a high voltage input , the velleman has 100 volt input tolerance so with the x10 button it could be 1000 volt , the device is also a Cat 1 so it is safe to measure behind a fuse in 230 volt systems ,
Thanks for the tip. Maybe it helps another viewer.
Wildcat firmware written by the community and a big advance on the original, is difficult for people to 'find' to load it. Basically you download a big text file which is actually a hex file, then rename it appropriately and use it to flash the ROM. Any difficulties get back to me here and I will give details.
Thank you for another neat video sir!
You're welcome!
Andreas, you should do a review of the other firmwares available for this scope. That would be awesome.
Thanks for your excellent work!
Great little tool I bought long ago (my first scope, and it saved my day more than once! ). I then bought a basic rigol scope later on, mostly because the DSO interface is hellish -- and even tough I upgraded the firmware to a better one (not to the latest though).
But the DSO still is very convenient to observe signals in the field or far from the mains.
Now a big issue is that my screen soon started to flicker as if the lightness was pushed too far while the contrast was reduced. Then the problem worsened to the point the screen is permanently and barely visible! :(
The nice thing is that the schematics and code are open source. The bad thing is that I really have no clue how to fix this (defective screen controller?!)... and it looks like I am the only one to have experienced this issue :/
As seen here: plus.google.com/+JeremieFrancois/posts/bWnPYSCpdaB
I am glad to hear that this dark display is not a "normal" problem ;-)
Thank you for your feedback. It might help other viewers for their decision.
I just bought one of these for working from hotel rooms when I am away from home. I haven’t tried it yet but be interesting to see if they have fixed the measurement errors
I rarely use it like you when I am mobile, or when I want to avoid ground references. So I do not know.
Great and usefull review...I'm looking fir a device like this for hobbyist... now I know what I can expect from it. Thx 😃
You're welcome!
Thanks for the review Andreas...I couldn't tell but does it have a "X-Y" input function capability? I have a need for a small display for a VERY old homebrew spectrum analyzer project so as not to tie up a bench scope.
I did not see it in my device. But apparently, there are a few software versions around (the whole design is open source).
I have an extremely cheap diy oscilloscope, a DSO138. I've found it useful as a diagnostic tool in analogue circuits for situations where a multimeter is useless but accuracy and sample rate are not critical. My main complaint is the lack of a rotary encoder, and that seems to be a downside to the DSO in this video. Clicking buttons for adjustment is neither fast or accurate, but has to always be some compromise between the fast and accurate.
Thanks for the info. This is definitively a cheaper version. However, you might have to add a case, a battery, and a probe to the equation.
Great review!
Question - The majority of my technological expertise is related to Linux, software automation, web development (mostly server side), and other similar software. However, I'm starting to delve into your realm, electronics. Thus far, I've worked with the Raspberry Pi quite a bit, and I'm now starting to get off the ground with Arduino.
So, for the question - As far as microcontrollers go, I consider myself a novice. I'll be prototyping some projects using Arduino and teaching myself how to do so. My knowledge on oscilloscopes in general is pretty minimal (I've never sed one, but I am familiar with the basic operations and what they're used for. With this in mind, do you think this is a good oscilloscope for someone in my shoes? Or would you suggest one of the more expensive $350+ desk units?
Thanks!
P.S. - Subscribed!
P.S.S. - I realize this was posted ~2 years ago. Is there a different oscilloscope in the same league as the DS203 that you would recommend?
Welcome aboard the channel!
Since the oscilloscope is one of the most important tools in hardware development I would not go for such a small one as my main one. One of the best deals seems to be the new Siglent SDS 1000X series. It might be in the range of 400 $. If you stick to the hobby you will not need a new one for many years to come...
Hoi Andreas, cooles Viedo! Ich habe mir so ein DS203 gekauft und brauche es für die Fahrzeugelektrik. Ich habe probiert ein Sekundärzündsignal aufzuzeichnen aber habe es nicht hingekriegt! In der Regel kann man das Signal über das induzierte Magnetfeld auf der Zündspule messen. Liegt das an den 72 bzw. 10MHz? Oder habe ich das ding falsch eingestellt?
Freundliche Grüsse
nic
Da kenn ich mich zu wenig aus. Grundätzlich würde ich schauen, ob das Signal im angezeigten Spannungsbereich liegt (schau auch, ob dein Tastkopf auf x1 oder x10 eingestellt ist. Wenn es kurz ist, ist der Trigger level und die Richtung wichtig. Un dann kannst du ja auch noch die Speicherfunktion verwenden.
Zu den MHz: Ich glaube, dass du zumindest etwas sehen solltest. Das Signal sollte nicht so schnell sein.
Perhaps you could do an update comparing the newer DS0213 to this model.
So far I have no such plan.
Hi Andreas, could you please provide your advice on why it should be worth paying for costly DSOs and when it should be ok to get a cheaper one? Hope this is an acceptable request. I haven't found such review among your videos. Thank you
Sorry for this post, I have found the answer in #260. Thank you
Very thoughtful and interesting review. Thank you.
You're welcome!
Hi Andreas, nice video!
What do you see when you use your SDG1050 and feed it a 50Mhz wave?
What is the battery life of the DS203?
Thank you!
1. Which device? The DSO203?
2. The battery live es many hours. I will try it tomorrow and come back
Hi Andreas, I mean putting a 50Mhz signal on the DSO203 (Your SDG1050 can provide 50Mhz).
The DSO203 has an AD9288 inside, very nice.
Thanks for the awesome video! Which is the connectors name for probes? Wanna build some other cables/ probes.
Cheers and thanks for your input!
I think they use MCX connectors
Thanks very much.
Have you seen a similar oscilloscope that is maybe a bit easier to use, and perhaps a bit more expensive?
In addition, have you seen anything that can use a tablet as well as some hardware?
I am thinking of the picotech products that use a pc. They are really good.
When you are away from your lab, you will often have a tablet, so hving something that integrates with that could be very good.
I did not see oscilloscopes for tablets, but I did not search for them. Your other choices are: Desktop oscilloscopes or boxes which are connected to a PC using USB. Both have a simpler user interface because they are bigger.
This is interesting. I started to get overly excited, but with distorted portrayal of waveforms above a few kilohertz, I'll keep my bellman analog portable scope for now and wait until these portable DSOs improve. The frequency limitation is a deal breaker for me. Thanks again!
If you need higher frequencies, maybe a stationary DSO is a better option...
Andreas Spiess I do have a 4 channel capable of properly representing a100 MHz (analog) Benchtop DSO in my new lab. I like all the bells and whistles it hss.
Rigol 1054Z
Gets embarrassing to seem to be a shill for Wildcat firmware (which is free, written by the community). Bandwidth on the earlier hardware combines two channels if you want, and uses that 72 msps to get to display a waveform up to about 13 MHz. I haven't fully tested the FFT function but in theory that can give frequency components up to the sampling rate. Does waterfall displays too. I hadn't used my dso203 for a couple of years, but now it is definitely in use as it does things my tabletop scope doesn't do, and at about 7 MHz bandwidth it is "good enough".
An improved software version is available called Wildcat. (my version is 5.6). Search under Wildcat dso203... The manual for wildcat that I have is long on text, nonexistent on graphics, but it explains what to do very well. Wildcat doesn't just do scope functions - it also does fft, serial signal decoding and other functions, which make it fairly awesome !
Thank you for the tip!
@@AndreasSpiess :-)
What do you think about USB oscilloscopes? Any good? I need something cheap, and the DSO138 is not working :(
I never used one. I thought already of doing a test for such a device. But nothing decided yet.
I have a DSLogic Pro+DSCope kit (from dreamsourcelab), I highly recommend it.
Sounds interesting, but a little pricey just for a test (I do not need another logic analyzer or oscilloscope for my lab). Maybe Seed Studio provides me with a test equipment ;-)
Buy an OWON PC based scope instead of this junk.
i believe the case is a generic chinese one used for mp3 players. another device "sark 110" antenna analyzer uses this exact same case.
That is well possible. Like that, they get a decent quality case for a few dollars because of high production runs.
nice review, exactly what i looked for :)
just hilarious how elecronoobs copied your review...
it really felt like looking your video a 2nd time :D
The content, structure and even the technical explanations are the same
To be copied is a honor :-)
Fabi Albo yes it did. I looked at my phone to make sure I didn't bump the back button to the other one. 😂
It could be very nice to see a review of a cheap but still good oscilloscope that you can use when you are working on cars. Besr regards
A few viewers wrote they use this oscilloscope to work on cars. But I am no specialist.
Is it capable to show x-y lissajous figures for phase check? If not, is any custom firmware available that can add this feature? Link?
I do not know as I never tried these figures. Maybe somebody else knows?
Use Wildcat firmware - does everything the default firmware does but a lot better and with a lot of fantastic functions,and yes, includes XY at high bandwidth.
Hi do you think this oscilloscope is good enough for simple logic circuits with for example 555 timers ? What limitations I can have if I am only working with some examples of logic gates and try to recreating some flip flops using transistors / resistors? thanks
It has the limitations described in the datasheet. For simple things, this oscilloscope works well. If mobility is not a must I also would look at cheap desktop oscilloscopes. They are much more comfortable to use. And if you want to look at digital signals a logic analyzer could be a good thing. You find them below 10$ at Aliexpress. I even did a video about it (#76)
Hi and for learning logic circuits, which oscilloscope you think is better ' Siglent Technologies SDS1202X-E 200 mhz Digital Oscilloscope 2 Channels, Grey' or 'Rigol DS1054Z Digital Oscilloscopes - Bandwidth: 50 Mhz, Channels: 4
' ?
Siglent and Rigol are respected brands. I do not know these oscilloscopes so I cannot recommend one. I was happy with my Siglent (an earlier generation)
Hi, this question is a bit out of topic, which probes do you recommend to buy to use for breadboards and such kind of circuits ? Thanks
I have just received my DS203 from amazon. All I use this for is to measure Arduino and Raspberry pi's. I think its perfect for the cost and what I am doing with it. I was using a LED and a voltmeter to see my I/O's. I only need to see the bumps ,the lumps and the direction the waves are headed. My question is can you measure mains with these units. Like 120v a/c or 230v a/c. I have searched high and low. I have only found someone using a DSO138 DIY kit to do it.
Andreas Spiess 1 second ago
Its datasheet sai Max 80 volts (www.elechouse.com/elechouse/images/product/DS203/DS203_Manual.pdf )
Thanks for the quick reply. I have read this as well. There is video on RUclips with the diy kit ds128 reading a transformer. Thought the ds203 would do it as well.
minidso.com/forum.php this is the link to my unit. It says +/- 400v max DS203
The later version are getting better
They are still very small. In my last video, I found a better one for me ;-)
Do you recommend this for car technolgie ? 12+- Volt
I do not know of special requirements of car technology. 12 volt is no problem with this device. But maybe you google if somebody has particular experience with it in your application.
Is the DS213 basically the same but 100Mhz sampling instead of 72MHz?
It looks like. But do not mix sampling rate with bandwidth. Its announced bandwidth is 15MHz.
Can we see full 4k buffer on single screen while measuring voltage (live) in this scope?
I do not remember. Maybe you have to Gooogle.
Do you know, if their is a LCR meter software extension for these ?
No, I do not know.
Great review! thnx for sharing.
:-)
Anyone knows where I can get info on how to use this for automative?
Is there a way to program it so that it can invert signals?
I never tried. Maybe you look into its manual
This is an important thing, i CAN'T use this to measure 10MHz right?
Yes.
You mean I can't? or I can?
As I showed in the video. This device cannot properly display 10 MHz signals.
For less than €100, you can get the OWON VDS1022 PC based scope which is a true 20MHz scope with a usable interface and real probes. Or you can find a second hand proper analog scope.
That's a cool oscilloscope.
It's too bad these things are so damn expensive
I just purchased a used one for $85.00 dollars on eBay with free shipping. Unfortunately it does not have probes. But I still thought that was pretty cheap for a nice mini scope. Keith
Well, this oscilloscope measure mains voltages
I would not do it.
Hahaha ganz gueti begrüessig! Super Video!
:-)
Sir I'm planning to buy hantek 6254BD
Seems to be a good choice.
You didn't say so, but at 6:00 mins, the period shows as 252 microseconds, so f=1/T (T being the period), it's just under 4kHz www.sensorsone.com/period-to-frequency-calculator/
You are right.
But the sun is much closer to you, driving some km down to Italy, than being here in north Germany :-)
Yes. And in addition, I am lucky enough to have a project in a warm area...
you talked about - and i think that project pays all the cool gadgets you own :-)
+Mike Herbst and the rest of my living...
hahaha... i know the relation between 'cannot test it in the sun' and 'i am from switzerland'... im from austria, same problem :-)
+Christian Fuchs :-)
is it like, because of the shadows of the mountain? ahah
I understood only half of the video. :-)
What was the problem? Audio quality?
Andreas Spiess of course not, just Oscilloscopes are out of my knowledge... :-/
Keep going and this percentage will increase!
Andreas Spiess thanks, i'll do my best. ...and that's why I subscribed to your channel. :)
:-)
this mini oscilloscope is extremely dangerous. therefore you must always wear white gloves when touching it.
:-)
Which Siglent oscilloscope do you have on your bench? And which one would you buy today? www.siglent.eu/oscilloscopes.html
+Martin Bless There are no bad oscilloscopes. Just cheaper and more expensive ones. I had a budget of about 1000$ and bought one for this budget. I recommend the same.
Concerning brand: I like Siglent (I also have the waveform generator and the spectrum analyzer from them). But Rigol seems to be very comparable.
BTW: I have a 2102 which is now about 3 years old
I am so cheap. I use my saleae logic analyzer on analog as a scope for analog signals
Actually, looking at the new Saleae prices, this is not the cheapest way ;-)
For the price you can get tremendously better scope than this piece of junk, it's not worth to buy even for one forth of oryginał price. Absolutely unintuitive and powerless device
Remember the date of recording...
Which portable oscilloscopes do you refer to?