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Joseph A. Carcaramo
Reviewed in the United States on January 15, 2024
Great product.
vladimir alexis gonzalez
Reviewed in the United States on June 27, 2023
facil de usar y muy preciso en las mediciones
Jay R. ✌️❤️
Reviewed in the United States on December 28, 2023
This is a very nice portable device, however there are multiple limitations that you must understand before knowing whether or not this will work for you. The very first limit is that the digital oscilloscope bandwidth is capped at only 500kHz. The bandwidth limit for any oscilloscope is for pure sine waves, so you should only use maybe 1/3 to 1/4 (sometimes even less) of that amount when measuring square waves or other non-sinusoidal waveforms. There’s not very much that you could adequately measure when limited to such bandwidths, but it would work just fine when taking standard audio measurements, e.g. verifying that a headphone amplifier is doing what it is supposed to be doing.I like the fact that there is a DDS Signal Generator onboard, but don’t expect it to get you as far as a stand-alone signal generator. It will work for low frequency signals, but there will be some “drift.” I noticed the same thing with the oscilloscope function, it’s literally “a bit rough around the edges,” but it mostly gets the job done.Finally, I was able to test many of the “toolbox” functions and DID find them to be quite useful. It’s nice to be able to get the specs for some random transistor that you have laying around. Other components test as expected, so please remember to drain any capacitors BEFORE testing them. Although I wasn’t able to test every function offered in the “toolbox,” everything that I did test worked as expected. I actually look forward to trying out those remaining functions when those opportunities present themselves.Ultimately, this is a very basic device that’s limited to a very specific feature set. You really need to know exactly what you will be doing with this device to justify purchasing one. If the bandwidths for the oscilloscope and signal generator were somewhat wider and less “rough” this would make an excellent all-around device, but sadly this is NOT the case. Provided that this device fits into these tests that you would need it for, it’s not perfect, but it could also be A LOT worse. There’s some strong positives too, such as the battery being pretty solid, you get some decent accessories, and it seems well built overall (to even include a built-in kickstand).This is great for a hobbyist starting out, a backup device, and for limited use-cases. I would recommend it for anyone that fits into one of these criteria, otherwise I must say to “move on.” The value is definitely there, albeit not for the professional or “power user.”
christopher.robot
Reviewed in the United States on December 22, 2023
I was really excited about this at first - a pocket oscilloscope, DMM, and component tester?! Almost too good to be true. Alas, it is.It works, but it's inaccurate, klunky, unintuitive, and half the features don't really exist beyond a decorative menu item (presumably something that was pushed out and will be fixed with a firmware update later).The oscilloscope failed at any reliable, repeatable measurement of the two real-world tests I put it to. My 20 year old, cheapie, import DSO had no issues with the same measurement. I then compared the component tester against some basic components, which I more accurately measured with my LCR meter - and it was in the ballpark, but other cheapie component testers (I have many) were much closer.The UX is also atrocious, but to be expected in a device like this.All in all, if I were somehow stranded in the field with only one pocket sized device for all my diagnostics efforts - this would be better than nothing. But I've gotten by for over 40 years without that situation ever occurring...Hopefully it improves with firmware updates - or the maker community hacks together a custom firmware for it. I expect that hardware wise it's much more useful than the firmware is making it out to be.Value for money - to me - I wouldn't pay more than a third of the asking price. And even then it would probably just sit in my tool bag collecting dust until I gave it away. Now, if it performed as promised - I'd consider paying two or three times what they're asking.Honestly, if this were my project - I would have skipped the display (that's a lot of hardware demand and embedded development) and made it a USB OTG device to plug into any android/apple phone. Let the SW guys focus on an app, and the embedded guys focus on the data aquisition with the extra performance headspace. (And if you're screaming "bluetooth" - how often do you even use bluetooth audio without data loss? Let alone the realtime analysis expectations of a device like this).It is a great idea though - and I'm hopeful for future iterations, especially something hackable/open source.
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