Das Mikro Sound Board

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Postby wibblywobbly » Wed Jun 06, 2018 9:10 am

I have just bought one of these, to install in a truck. I can't get any sound out of it.

1. Am I doing something wrong? The Y is in the right place, the truck still runs off the throttle as normal with the Y lead in place.
2. Are there any sounds on the board?

I plug it in, I get the beep, and the green led flashes.
I bridge the two contacts on the board, it beeps, and the led stays constant.

If I move the throttle, no beeps are heard.

I am wondering what the Orange/Red/Brown lead is for?

I cannot figure out where to attach the USB programming lead?

I have downloaded the manual and the programming software, so that I can see what is on the board, but unless I can figure out what goes where I can't hook it up.

If anyone can provide any details I would be rather grateful. :clap:
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Postby Rad_Schuhart » Wed Jun 06, 2018 9:37 am

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Postby wibblywobbly » Wed Jun 06, 2018 9:50 am

I read through that article, but my problem is that I am not getting any sound at all?
Should I get sound pre-installed with the boards or do I need to download them first?

I have two Das Mikro boards.

1. Orlandoo
2. Tractor

Using a Traxxas TRX4. Throttle is channel 2.

1. Connect throttle esc on Y lead. Speaker is connected.
2. No Sound.
3. Led flashes.
4. Bridge two contacts.
5. No sound.
6. Move throttle.
7. No sound.

If I switch off and restart. The led flashes again.
What am I doing wrong? Both boards do the same thing?
Are the boards pre-installed with sound?

Added a pic, no idea what the orange/red/black lead is for, or where the programming USB link goes? I don't want to solder pins onto the board in case I have to return them.
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IMG_20180606_090231.jpg
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Postby Rad_Schuhart » Wed Jun 06, 2018 10:19 am

Im writing while I work, so sorry if I can not write a long tutorial now. The boards come with sound pre installed, the thing is you have to start the motors.

You can program the board to start the motors when pushing the throttle, or to program it to use a switch in your radio to turn it on.

I think I have to update the link I gave you, but I think everything should be there, in what I wrote or in the videos. Check the parameters one.

Sorry Im busy now but Ill take a look later.
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Postby wibblywobbly » Wed Jun 06, 2018 10:56 am

No rush, I am out for the rest of day. :thumbup:
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Postby Rad_Schuhart » Wed Jun 06, 2018 11:14 am

wibblywobbly wrote:No rush, I am out for the rest of day. :thumbup:


Ok great. Anyway I just took a look to the image you posted, please, again, read my tutorial and watch the videos, read carefully the manuals too. I am sure you did it, but please do it again, it will save you tons of frustration in an already complicated thing.

If you read everything I think you will see that the orange red and black wire is for triggering two extra sounds in an easier way than scratchbuilding an encoder or 12 position switch in your radio and doing some wizzard programming. In my P40 warbird I have set it for triggering the machine guns and another extra sound, but you can program whatever you want. At the beginning you can skip it. You will have time for it coming back to it.

Regarding where to plug the programmer, again I already explained in the tutorial. Maybe that programmer came bad wired (like many, included the one I got) but again the solution is in my tutorial. Also be sure of installing all drivers in your computer.

Dont worry about having to return the board. All those guys in aliexpress/banggood who say the board does not work, is just because they dont know how to use it. At the beginning is a tad complicated, but Im sure you will get it running. Is unveliebable this board is so powerfull. No need to solder anything to it unless you want it.

Bridging the two contacts is for configuring the throttle endpoints. I think I have to do a videotutorial of that too, but also in the manual is explained very well.
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Postby wibblywobbly » Wed Jun 06, 2018 9:53 pm

Still can't get sound, but while trying to get the USB to talk to the pc and the sound board, I checked the wiring...and sure enough they have got them in the wrong order on the DasMikro end. This means that anyone who has bought the Bangood programming unit with the lead will never get it to work.

Once I have resoldered the wiring, I assume that I will be able to see whether the sound files have been preloaded.
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Postby wibblywobbly » Wed Jun 06, 2018 11:31 pm

One part of the solution

http://wp.brodzinski.net/hardware/fake-pl2303-how-to-install/

At least I can now select a COM Port

Now the software is telling me that the soundcard is not responding.

Just a question. Are the sound board Tx, Rx, GND pins shown in the pic on your thread in the correct order? I have just swapped the wires over on the DasMikro programming cable but maybe they were correct originally?
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Postby Rad_Schuhart » Thu Jun 07, 2018 9:00 am

wibblywobbly wrote:One part of the solution

http://wp.brodzinski.net/hardware/fake-pl2303-how-to-install/

At least I can now select a COM Port

Now the software is telling me that the soundcard is not responding.

Just a question. Are the sound board Tx, Rx, GND pins shown in the pic on your thread in the correct order? I have just swapped the wires over on the DasMikro programming cable but maybe they were correct originally?


Hi. Lol, So that usb connector that banggood sells for 20 bucks costs about half an euro. Interesting...

My diagram is absolutely correct, but it is not mine. I just found it in internet, because somebody was unable to connect the board to the computer too. So that guy did the diagram and uploaded it to banggood. I took good note of it, and I did one following exactly the same instructions and worked flawlessly. My programmer came bad wired, thats 100% for sure. Also the diagram does not mean you have to follow it and do exactly the same! It depends about how your usb connector is. I dont remember now, but probably in the dasmikro usb you can read what is every pin. What means is not the order of the wires, but the match of the correct pins!
About the pc not recognizing the board. Did you install all the drivers? Not only the TBS software, but the bunch of drivers that you have to install?

Anyway I think I will do a wild guess and I will say all those dasmikro boards come with sounds on it. (except the ones that the sellers says that are empty!) Why do I say it? Because it seems all the programmers come bad wired and I have read little to none complains about them, so that means people just dont use them.
Also because knowing how most of the people is, they are happy with the stock sound. No matter if people is running a race car with truck sounds. for most of the guys there as long as something sounds is fine, not caring about lights, smoke and all the marvels that the board can do.

So if I were you, I would read the manual again, I would try first of all to set the board, just doing the bridge (when doing it you dont have to connect it to the computer)

Maybe you can start toying with the board doing selecting the autostart mode. From the manual:


2.5. Changing a already set control mode
It is possible to change the adjusted control mode
without
the optional programing adaptor:
1.
Bridge the LRN contact
DURING
powering the soundmodule
2.
Remove the LRN contact
3.
Close LRN contact momentary and wait for the “Beep-Code”
4.
Repeat closing the LRN contact until the desired control mode is signalized by the
according “Beep-Code”
5.
Switch soundmodule off and on again
„Beep-Code“
1 x Beep
->
Autostart
2 x Beep
->
Toggle switch
3 x Beep
->
12 position encoder




Soundmodule TBS Micro V2.0
Page:
7
2.4. Autostart
If you only want to play the engine sound, the “autostart” mode can be selected. The engine starts
automatically, as soon as the model is accelerated the first time.
If the engine is more than 20s idle, it shuts down automatically.
No special sounds
can be played in this mode!
Teaching the autostart mode:
1.
Power on transmitter and receiver. LED blinks fast -> normal mode
Bring throttle stick to idle. Motor must not move.
2.
Bridge LRN contact for about 0.5 seconds until beep -> LED cont. on.
At this moment the idle position of the throttle stick is stored.
3. Move throttle stick to your desired acceleration point (throttle stick position where idle
dead band stops and engine running sound starts) and wait for a beep
Now the dead (neutral) band of the speed channel is defined.
4. Move the throttle stick to full speed position and wait for three beeps.
After this the sound unit is back in the normal operation mode.
During the programing sequence:
If you leave the last stored throttle stick position, a very short beep is played. Since then,
you have about 2 seconds to adjust the new throttle stick position to be stored next

If it works, and if you heard sound, then you can swap to more advanced control modes.
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Postby wibblywobbly » Thu Jun 07, 2018 9:20 am

Glad to report that the board suddenly started working this morning. I now have sound.

The only way that I can get the USB to work with the DasMikro board is to leave the yellow/white/black as they are when standard, but just make sure that the JST plug is around the right way. Mine was delivered with it upside down, which reversed the two outer wires at the other end.

I still get a message from the Benedini screen saying that the DasMikro board is not responding, and I have no idea why the sound board suddenly came to life while it was attached to the USB, and continued working ok after it was detached?

I checked it on another truck and it was still generating sound, so all is good.

I'll charge up the truck battery and try to get the USB talking to the Benedini software.

Drivers - I have installed the one referred to above...could you tell me where to find the others that I need, I haven't a clue what those are.
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Postby jhamm » Thu Jun 07, 2018 9:20 am

Hi,
the Micro need Power!
One way is, get Power from USB - than you have to wire the 3.3Volt from USB to the Micro = four wires!
Or you plug a Battery 5 to 6Volt at one Servoport to the Micro - than USB will work with tree wire.
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Postby wibblywobbly » Thu Jun 07, 2018 9:23 am

Thanks for the info, mine only has 3 wires, but is generating sound ok. DasMikro<>Esc is ok.
It is only the last problem, Benedini<>USB that is a problem.
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Postby Rad_Schuhart » Thu Jun 07, 2018 10:06 am

wibblywobbly wrote:
Drivers - I have installed the one referred to above...could you tell me where to find the others that I need, I haven't a clue what those are.


There are a bunch of drivers you should install. I tried to upload them in the forum, but the uploads system wont let me upload .rar files or files a bit bigger than the limit here in the forum.

I requested it to be modified, because I wanted to upload everything here, but it did not happened, and also it seemed nobody had interest on those drivers...

I guess I could send it to you in an email.
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Postby wibblywobbly » Thu Jun 07, 2018 10:12 am

The current limit is 350kb, what size is the biggest zip file? I will see if I can increase the limit.
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Postby Rad_Schuhart » Thu Jun 07, 2018 10:19 am

wibblywobbly wrote:The current limit is 350kb, what size is the biggest zip file? I will see if I can increase the limit.


The limit in the forum is already 10mbs. I think my files were something about 15. But also is important for me if you let me upload .rar files.
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Postby wibblywobbly » Thu Jun 07, 2018 10:32 am

I can't see any way of changing this, I will ask Matt if he has access to anything that I don't. It may be a limit imposed by the hosts?
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Postby Rad_Schuhart » Thu Jun 07, 2018 1:44 pm

wibblywobbly wrote:I can't see any way of changing this, I will ask Matt if he has access to anything that I don't. It may be a limit imposed by the hosts?


Yep, it might be a host limit... Worst case scenario I could send you the files in email
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Postby wibblywobbly » Thu Jun 07, 2018 2:24 pm

I'll PM you my email, just out of interest what are the additional drivers for?
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Postby Rad_Schuhart » Thu Jun 07, 2018 2:42 pm

wibblywobbly wrote:I'll PM you my email, just out of interest what are the additional drivers for?


Im not 100% sure, but dont worry, whatever they are, it makes the board work. Ill send it to you later, when at home.
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Postby wibblywobbly » Thu Jun 07, 2018 11:09 pm

The two files you sent are the driver for the FTI, and the Benedini software. I already had these two.

It's odd, bought two DasMikro boards, one started working yesterday and one won't work at all.

I am going to try the one that won't work in my Traxxas TRX4, it 'might' be an issue with the esc that I have installed in my HL truck that is stopping it generating sound as that one runs off a 6v battery pack. I only have tomorrow morning to try it as I am away for the weekend.

Many thanks for your help, it is appreciated. I suspect that the programming unit that Bangood supplied has an issue with talking to the Benedini software and the DasMikro board at the same time via the USB. A friend has a genuine Benedini USB, so I will pay him a visit next week.
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