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SainSmart DDS120 & DDS140 USB Oscilloscope

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antrrax:
It would be possible to include the pulse trigger? For example in a square wave to trigger a greater or lesser "X" milliseconds of a negative or positive pulse.

doctormord:

--- Quote from: bianchifan on January 07, 2016, 05:32:51 pm ---IT works on win7/64, thank you!  :-+
Nevertheless a little note..the icon text from the scope window sidebar which appears on mouseOverIcon is still chinese.. :-DD

--- End quote ---

Okay.


--- Quote from: antrrax on January 07, 2016, 06:07:12 pm ---It would be possible to include the pulse trigger? For example in a square wave to trigger a greater or lesser "X" milliseconds of a negative or positive pulse.

--- End quote ---

The DDS120 got no hardware-trigger and the actual software-solution isn't capable of doing that. As the DDS120 just streams the ADC-content, this (to my knowledge) can't work. From the code i'd seen, implementing "pre-roll/delay" for trigger would result in a completely rewrite of the code. The code itself is coded with "DMA" and unsafe statements. So if someone knows how to do, i do not.  :-//

antrrax:
No problem man!!!
I just thought that with this new accessory would be possible to implement a new trigger in the program.

http://www.sainsmart.com/sainsmart-hardware-trigger-module-for-dds-140.html

-------

You could tell what function this accessory the link above?

Thanks

doctormord:
This hw-trigger is for the DDS140, which is != DDS120.  ;)

bianchifan:

--- Quote from: bianchifan on January 07, 2016, 05:32:51 pm ---IT works on win7/64, thank you!  :-+

--- End quote ---
After checking the software out I got such a divice at least, I choosed DDS140 fo rless than 80 bucks from Amazon.
Your SW doesn't recon DDS140, it seems, only "104/140"-specified version will run.
So I have to use shipped out one 1.4 from 2014.


--- Quote from: mmark on November 09, 2014, 05:52:56 am ---Update:
.......
To compile und linux/ubuntu, you need to have libqt4-dev (or libqt5-dev) and fftw3-dev installed. To access the device as a user, add this to /etc/udev/rules.d/50-sainsmart.rules:

--- Code: ---#add SainSmart DDS120 and DDS140 to group plugdev
#DDS120
SUBSYSTEM=="usb", ATTR{idVendor}=="8102", ATTR{idProduct}=="8102", GROUP="plugdev"
#DDS140
SUBSYSTEM=="usb", ATTR{idVendor}=="8312", ATTR{idProduct}=="8312", GROUP="plugdev"

--- End code ---

and make sure that your user is member of the plugdev group.

--- End quote ---

All done, it compiles fine.
My DDS140 is recognized as Buudai104 :), unfortunately the screen is empty, no waveform and no waveout on the device.
Do I need FW-extraction and loading scripts like on the Hanteks?

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