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Brymen BM869(867) alternative software.

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Sairus:
Hi everyone.
I want to share my software it created to communicate with Brymen BM869 (probably it will work with BM867). It good alternative of BU-86X because you can create your own cable and spend around 5$ for it (it cheaper than brymen cable). So maybe for owners of BM869(867) that topic will be helpful.

So let me introduce my GUI.



Main windows display DMM readings, it have many settings (port settings, color settings, settings for logger and grapher) in help section you can find info how made your own cheap cable.

Features
* Two line of DMM values.
* Bargraph.
* Color setting for DMM and grapher.
* Logger with settings of log interval ( Logger records can be save to CSV file ).
* Port scanner for search available devices.
* Port debug line (show received values).


Grapher called from main window work separately, fast mode mean that every time when DMM send data on PC grapher will draw new values. Draw interval it time between drawing new points so you can choose fast drawing or drawing in determined time periods.

Grapher features
* 3 types of y axis scale (auto, auto+zero, manual).
* Auto greed step).
* Auto metric prefixes(p,n,u,m,k,M,G).
* Exact value by pointing of cursor.
* MIN MAX values.
* Scroll of values.
* Auto reset after changing measurement units.


Pass/fail mode work in main window and in pass/fail settings section. After closing settings section it continue working.

PASS/FAIL features
* Red green PASS/FAIL color scheme for main display and logging.
* Logging all or only fail events.
* Sound.
In help section you can find manual with schematics and firmware for creating you own cable.



Feel free to ask you questions and sorry for my crusty english.

Update
Ok i spend some time and write arduino sketch. It all about IR transistor position and pullup resistors value (in case of my setup is 69K tolerance ~ 1K).If you have bad alignment or wrong value you will receive crap signal and software will not react or start show weird stuff (weird reading mean that you on right way). In ajusting  may be helpful port debug line to view received data (in GUI port>port debug line).


Arduino sketch for cable

Version log
v1.02 First release
v1.03 Fixed bug at saving manuals files.
v1.04 Do nothing because I think that no one need it.  :P
v1.05 Add arduino sketch in help section.
v1.06 Fix some bugs.
v1.07 Change platform(now it framework 4.5 based) fix some bugs and add settings save feature.
 
Link   dropbox V1.07 19.09.2021

IanB:
That looks like very nice software. Are you planning to share it?

[Edit: OK, I see you added a link. However, downloading an executable from an unknown source will make people nervous.]

nugglix:
Unfortunately the link points to an .exe file.
I wouldn't install it for obvious reasons.

@Sarius
If you want people to have a look, provide an archive.
So interested people can have a look w/o installing software from unknown sources.
And if you really want to help with that software, put it on github.

wraper:
Regarding 2 previous comments. I don't see how obfuscating executable into the archive will make it any safer  :-//. Actually malware is intentionally archived (very often in spam) to prevent antiviruses from detecting them.

Sairus:

--- Quote ---OK, I see you added a link. However, downloading an executable from an unknown source will make people nervous.
--- End quote ---
Because i add link to this forum in help section.


--- Quote ---So interested people can have a look w/o installing software from unknown sources.
--- End quote ---
It ruing without installing. first version was posted there 
www.eevblog.com/forum/testgear/brymen-ir-connection-protocol-anyone-sniffed-it-yet/100/ rep 109



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