DSO138 firmware upgrade and review

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I go through the cumbersome firmware upgrade procedure and review of the changes in the new 060 firmware for the DSO138. Sadly, it doesn't address the biggest issues with the device - but it goes a long way to make it better. I also find out what happens if a firmware update fails.
Original DSO138 review here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-QL5AvulSdwg.html
Official product web page (no affiliation): www.jyetech.com/Products/LcdScope/e138.php
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Опубликовано:

28 фев 2016

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Комментарии : 86

@dansanger5340 8 лет назад

I almost had a heart attack when you started fiddling with the cable during FW update. I always worry about something going wrong and ending up bricking the device. Fortunately, no problem.

@geovani60624 5 лет назад

Yeah, it fried a few controllers in the past

@jlucasound 5 лет назад

Thanks FF!! I subscribed. Your delivery is so awesome.

@Kar0-sg3th 13 дней назад

Hi. I followed exactly all the steps It worked just fine, no worries, upgraded to Ver. 061. But after the update I had functionality issues like: The amplitude readings were not correct testing the calibration probe there should be someting like 3.7 Vpp- in V042 version it was correct, but in Ver.062 the readings were like 0.9Vpp. Under 1Vpp! I had to return the firmware to Ver.042.. Thank you to remind to save the original Firmware..

@JCHaywire 6 лет назад

I've studied some linguistics in my time--and your accent is as broad as a barndoor! I love it. David Niven ain't got nothin' on you. If I didn't know from the context, I'd mistake "slowly" for "slyly." I love it.

@edoardofacciotto7261 6 лет назад

How can I use it with a synthesizer's audio out (3,5 mm) ?

@JasperJanssen 8 лет назад

I was all like "nooooooo! don't touch it while it's flashing!" and yep.... it failed.

@EscapeMCP 7 лет назад

SAME!

@MrBrymstond 6 лет назад

Same with rooting or installing a different rom in a phone. My son does these things because I tell him you're going to brick it. YEP

@jlucasound 5 лет назад

I saw it coming as soon as the inset screen came up with his hand picking up the adapter.

@inerlogic 5 лет назад

Ditto.....

@MikeSims70 8 лет назад

LOL - "When did the age of stand alone executables end?" - a man after my own heart! lol

@rick000048 8 лет назад

Hmmm, I think it was about the time Microsoft, IBM and Intel got in bed together. I caught that statement too Mike, it used to be nice!

@MikeSims70 8 лет назад

You may be right ... OS/2 comes to mind when you mention that time period ... an operating system that I actually used for a while and thought had potential. It's still possible to make single executable programs for Windows, but even that is really an illusion since it will always rely on DLL files to perform certain functions. I think the closest thing we have today are the "portable apps" that can be installed on thumb drives and executed without needing to be installed. And as I think about it, it's probably for the best that installation is required, because when software can have access to sensitive areas of an operating system without any security measures being taken, its all bad for the user. This is why I like OSX (soon to be MacOS) ... the security that is offers is very good and does not really hinder the user experience at all. Apple engineering is amazing in my opinion.

@susanmartin8856 3 года назад

Cool stuff. I have a project on the go that requires interface Via a Uart-USB converter. I also need a terminal emulator program comparable with Win XP. Any idea’s?Baud 19.2K, Databits 8, Stopbit 1, Parity None, Handshake None, are the suggested settings for menu driven diagnostic of Philips CDR775. Would be grateful for any help available with this. Kind regards

@rickjones7983 5 лет назад

Where do I get the Firmware Document you talked about?

@mex1me Год назад

Добрый день. Прошу совета. Имею пробллему с осцилограффом dso138. Проверял платку металлодетектора "пират". Там есть импульсы большого напряжения, я работал с делителем. После какого-то из подключений произошло следущее: график завис на отметке 37,6. Заводские сбросы не помогают. После рестарта сначала график бежит по середине экрана и через секунду ступенью выходит за экран на 37,6 вольта и я не могу его выставить на середину вообще никак совсем. Как думаетее, что с ним?

@sebastiankusyk7764 3 года назад

I've probably burned STM32F103C8T6 microcontroller in my DSO138. If I buy a new one, do I need to install the bootloader first, or is it already installed?

@XerotoLabs 6 лет назад

i know this is old , but you just demonstrated why you should immobilize your connections before flash so they dont get bumped. Also the flash app you show is also teh same you you can use to flash STM32F103's now the the arduino IDE and even use to to put a arduino Nano like boot loader on your STM32F devices. Thanks for vid man .

@phonybobsmail1680 Год назад

thanks.... got one of these for Christmas. it was purchased on Amazon. it is definitely a counterfit. i would have never even suspected this if I hadn't seen this video. the first one came with a broken display. the second one has the trigger LED stuck on. took the display from the second one and put it on the first. I now have a functional unit but can't fine tune the probe as per instructions. swapped out the tuning capacitor to no avail. I'm not doing any high speed stuff so I don't really care. my ground is sitting at 2v. when measuring a 12v and -12v power supply I get 14v and -10v. I am running it with a 12v supply and suspect the 9v regulator in the scope is junk. hopefully when I find a 9v power supply this will go away. bottom line....after seeing this video I would NEVER attempt the upgrade....thanks again!!

@donovanpl 8 лет назад

FFcossag, would you chance connecting a 1:10 probe on the DSO and stick it into the mains, being mindful to connect the ground to the neutral? Of course ustilizing an isolated power supply on the scope.

@FFcossag 8 лет назад

+Donovan Lym That's really not a good idea for anything with exposed metal parts.

@MrBobWareham Год назад

Looking at your video, I don't think I will bother buying from any company other than the manufacturer, in fact, I DON'T THINK I will purchase any.

@Madrrrrrrrrrrr 7 лет назад

Thanks! Is this also possible on a DSo138 you can get anywhere on ebay? Or JYE only? Thanks!

@FFcossag 7 лет назад

I don't see why it wouldn't work on an identical clone.

@ricardoc.m.6532 8 лет назад

Hello, This oscilloscope can detect for example peak voltage when turning on a power supply? Thanks

@FFcossag 8 лет назад

+Ricardo C.M. In some cases, yes, but it really depends on the kind of power supply you're testing.

@ricardoc.m.6532 8 лет назад

+FFcossag Thanks !!!

@ianhuxstep211 7 лет назад

Do you know if this device can be operated in x-y mode as I need a screen to display x and y inputs.

@FFcossag 7 лет назад

It only has one channel.

@ZeroMass 3 года назад

@@FFcossag can't remember where I saw it, but you can enable a second input on these..

@axellno1759 8 лет назад

Can I just connect it directly to a motherboard serial com port without this usb converter? Pin 2,3,5 should be RX,TX and Ground if I see it correctly.

@FFcossag 8 лет назад

+AxelL No1 Yes, but you have to use a level converter like a MAX232. Else things will break.

@axellno1759 8 лет назад

+FFcossag Thanks!

@yorickhunt3371 8 лет назад

You should seriously consider disabling "hide extensions for known file types" in Windows Explorer, if you value your security at all. There's no shortage of malware disguised with double extensions to exploit this failing of Explorer.

@FFcossag 8 лет назад

That's how I usually do it, but my bench computer also doubles as a "This is what customers' computers usually look like" reference. I try not to change stuff around on it if it can be avoided.

@yorickhunt3371 8 лет назад

FFcossag My instinctive reaction when I see someone using the default setting is to scream at them. I've had far too many customers do stupid things because of it ("gee, this file seems innocuous, let's open it!") :-/

@inerlogic 5 лет назад

You're feeding it about 3v pp, how is the counter stability at a higher voltage?

@FFcossag 5 лет назад

I don't recall, I'm afraid.

@mihajlostojkovic3522 Год назад

but why is voltage 3xtimes lower?

@uxwbill 8 лет назад

I saw these come up when I was looking at various scopemeter products. I really didn't take them too seriously, especially due to the lack of an enclosure. (Maybe some third party makes one, I don't know and have not looked.) And, well, what can you expect for the price paid? I'm not sure whether to credit or blame them for the complicated nature of the firmware upgrade. On the one hand it makes an "accident" a lot less likely and the upgrade went very well. On the other I don't see casual tinkerers or beginners going through all that and those that do might make a mistake fatal to the 'scope. (Then again, for ~$20, who cares?)

@FFcossag 8 лет назад

+uxwbill I think the scale tips solely toward "blame". They simply have not been bothered to optimise their code well enough to be able to fit a working USB bootloader into it. The F/W is filling over 50 kB out of the 64 kB flash as is, and USB is a real space hog to program.

@xFuaZe 8 лет назад

+uxwbill I've found one that has the SMD parts pre-soldered AND comes with a case for only a 26$ total. www.ebay.com/itm/1Msps-Digital-Oscilloscope-Kit-SMD-Soldered-DIY-Case-Cover-for-DSO138-Z4F8-/291722805806?hash=item43ec08c22e:g:2bYAAOSwJQdW-fr9

@mm-lw3lo Год назад

DSO138 прибор новий,пропав промінь,пробую прошивати програтором CH341A MINI PROGRAMMER та USB TO TTL видає програма помилку -No response from the target the Boot loader can not be started.Please verify the boot mode configuration and flash protection status.Reset your device then try again... - конфігурацію RX-TX міняв. Що може бути ? Дякую за відповідь! DSO138 is a new device, the beam has disappeared, I try to flash it with the CH341A MINI PROGRAMMER and USB TO TTL programmer, the program gives an error -No response from the target the Boot loader can not be started. Please verify the boot mode configuration and flash protection status. Reset your device then try again... - I changed the RX-TX configuration. What can be? Thanks for the answer! I did everything according to the instructions and put the jumpers.

@AgentOffice 8 лет назад

can I test ac by putting probes into wall socket??

@FFcossag 8 лет назад

+Agent Office That's not a good idea with a bare PCB. The entire scope would be live, and you'd die if you touched it.

@AgentOffice 8 лет назад

+FFcossag ok thx

@deelan_ 8 лет назад

+FFcossag And this thing has a Max input of 50v.

@waltersenkler7062 7 лет назад

Yes, with a probe 10:1

@xmenken1 5 лет назад

The manufacturer should use usb 2.0 port to update firmware instead of com port. Those cables in this video are so inpractical. No PC or laptop has COM port these days.

@hene193 8 лет назад

Are you Swedish?!? If you are omg you have so good accent! Or should I say I don't detect one. That is really impressive...

@FFcossag 8 лет назад

+Hene193 Thanks - yes, I'm Swedish (language wise anyway). I'm just such a big language nerd that I really think a lot about my pronunciation.

@hene193 8 лет назад

Wow I usually detect Swedish accent really easily since I'm Finnish. But good job. You don't even seem to pause to think what to say. Impressive.

@ThantiK 8 лет назад

+Hene193 You can still tell the accent - he says "thing" as "fing". :P

@hene193 8 лет назад

ThantiK Yes but since I live in Finland I know our accent is very strong. (Very similar to Swedish) With that accent he could work in media with English as his main language. I meant just that it is very impressive

@Yotanido 7 лет назад

I could tell he was Swedish immediately. His accent is actually quite thick. The general pronunciation is fine, but some sounds are a bit off. It's not such a thick accent that the sound and stress is grossly incorrect. For the most part it's fine, but some sounds (i / ee is especially noticeable) are just weird :D The pattern of speech is also Swedish rather than English. Every language has a sort of rhythm to it and you can tell if someone is not following that rhythm.

@KJW648 7 лет назад

I see no Rigol DS1052E, Whoops ! it must be as I can see 50mhz :)

@ThantiK 8 лет назад

Booooooooo! How can you leave your Windows installation with extensions hidden? :P

@FFcossag 8 лет назад

+ThantiK That's my test computer, it's supposed to emulate a "normal person's computer". Hence the Swedish language pack as well.

@josverstraten4133 5 лет назад

The DSO138 scope tested ➡ Read this article chinese-electronics-products-tested.blogspot.com/p/dso138-very-cheap-scope-tested.html

@abpccpba 6 лет назад

Why complain?

@azzym8794 7 лет назад

*The procedure was not cumbersome. You sir are slow and wordy *

@MrWhaatay 4 года назад

This poster supports software piracy.

@iivarimokelainen 8 лет назад

r/iamverysmart

@MrMac5150 8 лет назад

Why do you buy junk, like this crap.

@FFcossag 8 лет назад

+MrMac5150 This was donated to me in order to help smart people make an informed decision about whether or not to buy junk like this crap.

@MrMac5150 8 лет назад

FFcossag We both agree it is junk.

@FFcossag 8 лет назад

+MrMac5150 It costs twenty-three dollars. That is roughly the same price as ten ice-cream cones, or two lunches, or one third of a Nissan front left brake line.

@MrMac5150 8 лет назад

FFcossag What a analogy.

@mbaker335 8 лет назад

It costs less than one lunch or three glasses of beer here. It is also good practice for smd soldering and as a basis for further experimentation. So from an education perspective it is very good value for money. I would recommend getting one. No one buys this instead of a Rigol or Tectronix.