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Messages - Rongyos

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Hi Luke!

I made a soundset for KV-1 (only engine). How can I share with the community?


What software are you running on your TX16? If it is OpenTx, here is a video on how to set the failsafe values. I don't know if that is your problem or not, but you could experiment with it anyway. You will want to set the failsafe position of Aux Channel 6 to position 1, so that if the connection between the receiver and transmitter is lost, or hasn't been established yet, the cannon will not fire.

 Hi Luke! I get connected to OpenTX developers for TX16S and tried several tips. I think the new firmware on radio is messed up something or makes a "preflight" test.

Anyway I managed to solve the problem with raising the offset of the cannon fire channel (it is a toggle switch) to the middle (like a middle position of a 3pos switch) and no cannon fire on startup but when I activate it it works fine.


Hi Rongyos, if I understand you correctly, the cannon fire happens when the TCB first starts. And this involves not only the sound, but also the recoil servo. If that is the case, then we can eliminate the sound card as being related to your problem, it is clear that the TCB is the one firing the cannon.

Yes, thats the case. Maybe posts related to this issue should be replaced somewhere else, sorry. I didnt put servo on the first try and only heard the cannon fire so I assumed that the sound card is failed somehow.

Plug your TCB in to your computer with a USB cable and connect to it with Snoop (on the Firmware tab of OP Config) to see what is happening. Does the TCB report a "Cannon Fire" event when it first starts?

snoop results attached (on the second try I put the cannon fire switch to channel 16 on radio and there is no cannon fire function triggered anymore) please search for #####First try  and #####Second try keywords

I wonder if maybe you have Aux Channel 6 in Position 2 when the TCB starts?

I see you have Aux Channel 6 set to "Reversed" in OP Config. Maybe un-reverse it in OP Config, and reverse it in your radio's settings. You can also try changing the cannon fire function to a different aux channel.

I can't say what the problem is, but I am confident it is not an error in the code. Somehow the TCB thinks that the cannon should be fired, which implies that your radio is telling it to. You will have to do some more troubleshooting yourself. Even if you don't solve the problem right away, hopefully you can discover a piece of information that will help us solve the problem.

Yes this might be my radio. I recently updated the firmware on this because with the old firmware I could not manage to bind new sbus receiver I use for another TCB. I tried several receivers (Original is  Flysky i8a i-bus, others Radiomaster R191 Sbus and Radiomaster R168 sbus) whit get the same results. Its not related to radio protocols, I think its some failsafe or precheck stuff in the radio but I cannot figure it out myself (disabled preflight and so on but nothing helps). Regarding reverse / not reverse channel I could set this and except this startup issue everything works fine.


EDIT: I reload the min/max values and stick centers, not helping


1. You have a sound file on your SD card that plays the cannon sound, but you gave it the file name for something else (in other words, something other than "cannonf.wav")
2. Or for some reason the TCB is sending the signal to fire the cannon at the same time it sends the signal to start the engine.

For #1, I would put the SD card into your computer and listen to all your sound files once again, just to verify that the cannon sound didn't somehow get named to something else.

For #2, examine all your function triggers in OP Config. Did you maybe link the "Cannon Fire" function to the "Engine Start" trigger by mistake? Did you maybe assign the "Cannon Fire" function to the same switch on your transmitter you are using to start the engine?

I checked all that options but did not see any suspicious user error (I also checked the radio switch reading on Opconfig everything works fine)

You can post your OPZ file if you want me to look at it.

Yes sir attached

There is something else I noticed in your video, which may or may not be related to your problem. I notice there is a delay of several seconds from the time you flip the switch on your transmitter, to the time when the engine starts. Do you know why that is?

Well I dont know what it is but realized I dont have to use the ignition switch teensy plays it anyway, its like a "startup" sound or IDK... Before that it doesnt play any sound.

By any chance do you have an engine "Preheat time" specified? (In OP Config on the Motors tab, under the Smoker section, when Type is set to "Separate Heat & Fan").
Dont have this LOV, maybe my OPConfig outdated? V.093.51 version installed. Please see the pic attached

On your SD card do you have a sound file called "preheat.wav"?
no sound file

EDITEDIT: no its not a soundfile. The tcb shoots after first startup (it uses the servo once and next action is cannon fire with sound and recoil)... :) strange.
EDIT2: similar with the latest OP app and latest TCB firmware

Hello LukeZ!

Finally I managed to try the sound card. I have a problem: on cold start (first start from tcb startup) there is an unecessary cannon fire before is starting ignition.
I have no cannon fire in the sound file. Soundfiles seems good and other sounds (warmstart too) are working fine.

Can you please help me out in this? I just refreshed the firmware on teensy.


Hi Tankers!

Very easy but confusing question. Connecting PCB and sound card serial should be like:

Am I right? I attached a picture but I connect it to the wrong connector just for reference.


Open Panzer Help / Re: Compatible teensy versions
« on: July 11, 2022, 06:25:59 AM »
Hi Rongyos, unfortunately although the Teensy 2.0 can do many things, it does not have the necessary processing power to handle the sound generation. So you will need to use the Teensy 3.2.

I know right now they are not available due to the supply chain mess. The semi-conductor shortage is a real problem, much bigger than I thought it would be when it first started. It does not appear at all close to being resolved. When major car manufacturers in America can no longer make automobiles, I don't know how long it will be before hobby things like the Teensy will be able to return.

Hi Luke!

Thanks for your fast reply. I try to not be annoying, but what about teensy 4.0? It is available at local stores.


edit: I found this comparison table. The 4.0 version has differenc processor, so I assume this is not compatible for the board but waiting for your confirmation.

Open Panzer Help / Compatible teensy versions
« on: July 09, 2022, 06:23:45 AM »
Hi fellow tankers.

My sound cards are under assembling and I have a teensy 2.0 at home. Will IT work perfectly or v3.2 is necessary?


TCB Dev / Re: Ideas for the OP Config
« on: August 31, 2020, 07:39:41 AM »
Hi Luke!

I have an idea for the boards (and software) new features. I know there is a hardware solution for 360° turret rotation with sling connectors but I do not trust them at all.
Do you ever consider a "software" 360 rotation which is based on a reed relay case count can be set by the user?

I mean: if I set the turret rotation max count to 3, the PCB will read the cases when the magnet passes 2 times and stop the turning at 3rd case. After that, only changed polarity (stick to other side, opposite direction) triggers the rotation to the opposite side.

Problems in my idea:
1. only the first count should be the user setting, after changing direction the counting should consider the remaining possible turns (if after the first start you turned the turret twice, the max value to the other side should be 5)
2. board must store the actual position and can keep in the memory after battery removal (for defending the cables)
3. users should consider what type of cable are they using and how long are they for set the correct value and not damage their cables, hardwares/hardwires

what do you think of that? Difficult, not user friendly, considerable, wtf?? :)


ps.: sorry if my post is in the wrong topic, did not find better

Open Panzer Help / Re: Taigen Sound module problem
« on: September 06, 2019, 01:42:38 AM »
Thanks for letting me know, and thanks for helping me find this issue!

No problem, nice to have this kind of good support from you.

The sound modul is working well, but I have a delay between push throttle stick and get engine sound. Can you help me find this parameter when I can correct the sound-delay?


Open Panzer Help / Re: Benedini Mini problems
« on: September 06, 2019, 01:38:09 AM »
Hi Luke!

You are sure, I modified the trim for the throttle because I made a DIY self-centering stick accessory and it did not fit perfectly.
Few month ago I changed this stuff and forgot to set the trim again. I going to set it when I have time.

Do you know why the .NET framework error message appeared for me? I have Win10 EDU x64. Its missing some correct "value" parameter but I cant find what is this.

Thank you for your support!

Open Panzer Help / Re: Benedini Mini problems
« on: September 04, 2019, 12:18:54 PM »
It looked like all that happened was you maybe forgot to move the sticks to their extremes when doing the "Save Min/Max" function, but your aux channels seemed correct. I'm sure if you go through it again it will be fixed.
Yes, I missed the step when the software is waiting for the min/max values. I set it again and works fine

Either way, it seems Thomas has changed the prop values because 121 was correct for Flash v3. I have changed the forum settings so you can now attach a "tbc" file. Now that you have discovered the correct values, are you able to save your prop settings from Flash v4 and post them here?

I attached the working .tbc   Can you add the .tbp extension too?

Open Panzer Help / Re: Benedini Mini problems
« on: September 03, 2019, 12:55:40 PM »
Something is wrong

When I wanted to read parameter from Benedini this message showed up:

Lásd az üzenet végét ezen párbeszédpanel helyett
az igény szerinti hibakeresés megjelenítéséhez.

************** Kivétel szövege **************
System.ArgumentOutOfRangeException: A(z) „0” érték érvénytelen a következőhöz: „Value”. „Value” értéke csak 'Minimum' és 'Maximum' közötti lehet.
Paraméter neve: Value
   a következő helyen: System.Windows.Forms.NumericUpDown.set_Value(Decimal value)
   a következő helyen: TBS_Flash.Main.UpdateParameterPageValues()
   a következő helyen: TBS_Flash.Main.btnReadParameter_Click(Object sender, EventArgs e)
   a következő helyen: System.Windows.Forms.Control.OnClick(EventArgs e)
   a következő helyen: System.Windows.Forms.Button.OnClick(EventArgs e)
   a következő helyen: System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
   a következő helyen: System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   a következő helyen: System.Windows.Forms.Control.WndProc(Message& m)
   a következő helyen: System.Windows.Forms.ButtonBase.WndProc(Message& m)
   a következő helyen: System.Windows.Forms.Button.WndProc(Message& m)
   a következő helyen: System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

[...]  //not relevan (Rongyos)

The attached error message said:

Error does not handle exception in the application. If you push Continue the application will pass th error and try to continue running. In case of push Exit the application exit.
The "0" value is not valid for the field: "Value". "Value" should between "Minimum" and "Maximum". Parameter name: Value

Sorry I translated it fast :(

I would attach the prop and parameter settings but this forum cannot apply this file extention.

I discovered the solution myself when I was writing this reply :D I read the PROP1 value in the tbs-flash and realized the neutral is not 121 but was 123. I changed it in the prop menu and and I have movement sound :D (The benedini IS-2 soundset is terrible, but I can say thats a success)

Open Panzer Help / Re: Taigen Sound module problem
« on: September 03, 2019, 12:29:35 PM »
Hi Adam, I've obtained the Leopard and JS-2 soundcards and done some testing. In fact all the cards are controlled the same way, but there was something I missed in my initial deciphering of their signals. Even on the PzIII card the idle sound would be playing during engine start but it was not so noticeable as on the JS-2 sound card.

Anyway I believe I've fixed the problem and I've posted a firmware update (v0.93.53). Give it a test and let me know your results.


New firmware solved the problem, thanks :)

Open Panzer Help / Re: Benedini Mini problems
« on: September 03, 2019, 01:05:16 AM »
Hey Luke!

Thank you for your support!

Ok, I can see that your radio setup was not completed correctly. For example, for your throttle channel the min and max are set to 1500 and 1508. They should be something more like 1000 and 2000. The same is true for your other stick channels. This explains why you have no throttle response and why the turret stick functions are not working correctly.

Hmm... I managed the radio settings 2x, maybe I forgot to upload it to the board :/ I will do it at home again and report the result

Quote from: LukeZ
Looking more closely at your images, it appears you are trying to import the Open Panzer Prop Settings on the Parameter tab of TBS Flash. The Prop Settings must be loaded on the Diagnostic tab of TBS Flash (used to be called the Misc tab in Flash v3 and earlier).

The V4.0 flash is different, I think. There is no upload button on "Diagnostic" tab. I wanted to open the parameter from "File - Open" Parameter browse menu. When I click on "Open" this message showed up. I opened the "Parameter" tab for showing you the settings (helping you to identify the user error, if any).

Thanks and regards

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