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$25 Color Oscilloscope! The Incredible DSO138 (4K)

tsbrownie 22 views

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I have added what I have found on the internet in the description I don't know how reliable the different sources are, so use at your own risk Some things found since the video: The two "Sen" switches are multiplied to give the volt setting in the lower left cornerbrVideo of the walk around of this o-scope: youtube/I5jvzTOeHKcbr$23 Fnirsi-138 Pro Vs $25 DSO138 Oscilloscopes youtube/YNd33BE4WLcbrUSB oscilloscope: youtube/X9INRscdtOobrUSB Pros & Cons: youtube/fcUf1m2hkEs
Comment from : @tsbrownie

Awesome overview Can you tell us what the voltage range and max frequency the scope can measure? Eg can it read SPI at high frequency as an example? Also can you log or download the data in realtime from the user port?
Comment from : @eng_dude

Hey i have the same one, is it me or the trigger is slow compared to others?
Comment from : @brunomoyano8727

Tour was interesting and helpful as could possibly be! I am a novice / inexperienced with this sort of thing, bought a soldering iron a a few practice kits last month Saw this old DOS138 on Aliexpress for like, 5 bucks and always wanted an Oscilloscope since 2011! This video confirmed my purchase was a sound one, assuming I dont fry it putting it together!
Comment from : @macmccune21

is changing the PWM and duty cycle only altering the test signal that it outputs?
Comment from : @Gavddotcodotuk

Кто подскажет как подключить прямой вход на X и Y ?
Comment from : @almotik8514

There are better choices these days, but this was a breakthrough back 3 or 4 years agobrbrBTW, your probe is not properly compensated It can be done but it's an rather drawn out iterative process Your happy, so no worries
Comment from : @uni-byte

I am a complete amateur - could this be used to visualize wave forms for sound (specifically for a synth) Could a pass through probe be done easily (with basic soldering skills) to allow an audio signal to go through the oscilloscope?
Comment from : @theAristocrap

The screen with the frequency count, Vpp, and other stuff How do you bring that up?
Comment from : @qwertykeyboard5901

I have a "calibrate analog gain" function have messed with this? know about what it does? because I ran it and I think I messed something up and I don't know how to revert it
Comment from : @JacobStevenson

is it normal that the vrms also change if you change the voltage sensitivity ?
Comment from : @kenzocanlas1135

Thanks for sharing Do you happen to have the pdf file for this particular version (V15)? I have been looking all over the internet for the pdf version Thanks in advance
Comment from : @teddypreston5525

I got this to ding around with I just couldn't resist at $12brMy wave forms distort beginning around 30khz brGood for audio work I guess brMy main scope is a Tektronix 2246 and old BKP 1477brYes, This would have been wonderful in the 1970s when I started fixing stuff
Comment from : @SirSteveFury

Hey, nice review As for the manual, i found them easily Google censors any direct links, so just give the directions brThe footer of official Jyetech site is referencing their official reseller Accudiy There you can find your model and on your model's page you'll find links to official Jyetech manuals (including calibration procedures) and full schematics etc (More docs for DSO138mini models than for older DSO138)brBest Regards 👍🏼
Comment from : @vasyasmanager2you