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Messages - LukeZ

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Open Panzer Help / Re: Track/Chassis Recoil Request
« on: August 18, 2017, 10:33:08 AM »
Yes, I added an implementation of track recoil. See the help files in the updated version of OP Config (or in the Wiki) for the new settings on the Driving tab.

I've also attached a spreadsheet that might help you visualize what the settings do. Basically you specify a starting kick-back speed, and a deceleration factor. Motor speed is set to the initial speed then exponentially decreased by some ratio influenced by the factor you've chosen. Higher factors cause the kickback to last longer, and decelerate slower.

The effect is never going to look anything as good as the video you posted. The suspension in our models is too stiff, and our gearboxes geared way too low for the acceleration needed. As with the Heng Long/Taigen models, it basically just looks like you've driven backwards a bit.

Also, one big caveat - I've programmed the track recoil to only work when the vehicle is stopped (and you've enabled the effect). No track recoil occurs while driving.

What would really look better is some kind of suspension articulation. There were some fascinating 1/35 models shown on RCU a while back that implemented this, see here. Programmatically something like this is possible with the TCB, but the mechanical challenges of getting it to work in 1/16th scale, given the weight and types of suspension typically used, would probably make it an impractical endeavor.

Open Panzer Help / Re: Piranha Battle System supported?
« on: August 17, 2017, 12:02:32 PM »
I have not seen those before or tested one personally, but if they work with Tamiya, Clark and IBU they will work with the TCB.

All these IR devices operate exactly the same. The only difference may be the order of the pins and the type of connectors used.

Judging from the photos it looks as if this one actually uses the same connectors already on the TCB (JST-XH). It's unclear if they sell cables, but if so it's possible one of their existing options would already be plug-and-play with the TCB.

Open Panzer Help / Re: Windows 10 doesn't like my TCB
« on: August 16, 2017, 08:13:22 PM »
For those following this thread, Jerry sent me his board to examine. I've tested it on Windows 10 and Windows 7 both without issue.

Although we still don't know what the problem was with Jerry's laptop, it would seem the TCB board as built by Hobby King in fact functions as expected (other than the MOSFET problem we were already aware of).

If anyone else has problems with Windows 10 please feel free to post here, but for now I'm going to consider this one resolved.

Yes, same thing, INI/text file that would be the idea.

However - there is no need for any such configuration file when the sound card is used with the TCB. All configuration would be done through OP Config or handled automatically.

The only reason we might consider a settings file are for those cases where the sound card is used alone in some kind of RC model without the TCB. Obviously this is not our focus so development along those lines is not a priority.

Open Panzer Help / Re: Assembling Boards by Hand
« on: August 16, 2017, 10:37:59 AM »
I updated the TCB bill of materials on the Downloads page with the in-stock diode.

Open Panzer Help / Re: Assembling Boards by Hand
« on: August 16, 2017, 10:09:59 AM »
For reference this is D13 on the schematic, here is the original part specified in the BOM: BAT54S-7-F.

The alternative you linked to would work, but DigiKey is also showing it as 0 stock.

Instead I would use this direct replacement, over 165k in stock: BAT54S.

Open Panzer Help / Re: Track/Chassis Recoil Request
« on: August 15, 2017, 01:36:36 PM »
And Luke, i'm working on soundfiles for the Cannon sounds. I try to integrate a shell dropping sound and maybe "cannon loaded" or "ready".. But i wonder if it is possible to randomly choose between different sound files for the cannon firing? Otherwise it would get really boring to hear the same remark over and over again..
I've increased the number of cannon sounds from 1 to 5.

Thanks for the track recoil video, that will be useful. I haven't forgotten it, it's on the list, but that one is not a quick change.

Open Source Sound Dev / Re: Sound System Speakers
« on: August 14, 2017, 04:39:03 PM »
Hi Trevor, I posted over in your RC Tank Warfare thread.

We can start a new thread here if you want as well, but this one is dedicated to a discussion of speakers, so not really the same thing.

Open Panzer Help / Re: Assembling Boards by Hand
« on: August 12, 2017, 10:26:15 AM »
Reflow ovens are great and the DIY controllers are very cool and fun. However, you don't need all that stuff if you don't have the time or money. I've assembled all my boards on hot plate that cost less than $20 at the grocery store or Amazon.

For a temperature controller I use my thumb and forefinger on the knob. I try not to let the temp get above 200* Celsius because it's easy to remember and the paste I use melts at 183* (Mechanic MCN-300 for a few bucks on eBay).

I've used a cheap IR thermometer to monitor temps. It works ok. Later I "upgraded" to a thermocouple on my multimeter. On the cheap plates I've used, somewhere around the "Low" setting is all you need, they get pretty hot. If you're not paying attention you can burn your board.

Heat it up, wait till everything flows, then unplug and let it cool. We're not building anything especially delicate or complicated, so the crude approach works just fine.

If you can do it better then by all means! But for others not inclined, the quick and dirty method works too.

Open Panzer Help / Re: Assembling Boards by Hand
« on: August 11, 2017, 03:20:36 PM »
Hi Danny, I've never owned or used a hot air station so I can't say how it compares to a hot plate/oven. My impression has been that hot air is used for re-working individual components rather than for bulk assembly but again, I have no experience with them so what do I know.

I'm inclined to say a hot plate is going to be easier and more consistent, but regardless you're going to have to use something other than a soldering iron. And if you're going to reflow any of it, just reflow all of it, it will be much easier.

Also - C6 on the sound board is just a regular capacitor. The two components that can't be soldered by hand on that one are actually U1 (the amp) and the SD card adapter.

Open Panzer Help / Re: Assembling Boards by Hand
« on: August 10, 2017, 02:24:36 PM »
John that looks good. R1 is named "P1" but otherwise it looks about right.

When I assemble these, I usually set out before hand all the components, and the small things like resistors and capacitors I've written on the tape their values. For that reason when I assemble it is usually faster for me just to know what value goes where, than what part number, at least for the resistors and small caps. Larger items of course you can tell where they go just by looking.

Here is an alternate version with values listed for most parts, and part numbers for others. Maybe this will be useful as well.

Open Panzer Help / Assembling Boards by Hand
« on: August 09, 2017, 12:24:46 PM »
I know several people are planning or have mentioned building boards by hand, and I've gotten several messages on this topic. I think we need a public place to discuss this.

Most people are not going to want to attempt hand builds, but for those that do here is a place to discuss your experiences and ask questions. It doesn't matter if you are building the TCB, Scout or Sound Card, post here and I will try to help as best I can.

Good luck!

News & Announcements / Re: Project Status
« on: August 08, 2017, 07:31:33 PM »
In regards to those seeking refunds for their defective TCBs I have made repeated requests to Hobby King for an update and why it is that they are issuing store credit instead. Here is the response I received this evening from my contact at Hobby King, Richard Mahmoud:


We received an update from our CS team yesterday, and they have confirmed every customer that has contacted them has been given a full refund.

If you have someone approaching you regarding not been given a full refund, as advised previously provide me with their name and order number and I will check with our CS team. Also any documentation from our CS team that they have been sent advising they will only get store credit This is being handled like all other products that customers raise with us as faulty. in this situation we have given a full refund.

Richard Mahmoud

His information contradicts directly what at least half a dozen people have told me in PMs and emails. At this point I am no longer going to do Hobby King's customer service work for them. If you still have not received a CASH refund, please PM me on this forum or any other, and I will give you Richard's email address and you can write to him directly.

Open Panzer Help / Re: Track/Chassis Recoil Request
« on: August 08, 2017, 01:58:26 PM »
Believe it or not, you aren't the first to ask about this. It's true most people can't wait to get rid of track recoil, but for some cases it might be good to have and it should also be possible to create an effect that is not so drastic or ridiculous as the Heng Long version.

I have added this to the TCB To-Do List. I have thought about it on occasion and realized it could be somewhat complicated to implement. But I have not yet sat down and tried to write anything for it, and sometimes what seems like a difficult coding challenge is not so bad after you start.

I can't say when I will get to this but I do agree it is a worthwhile feature to have, especially as the user could choose to enable or disable it. More options is more better.

Open Panzer Help / Re: Windows 10 doesn't like my TCB
« on: August 07, 2017, 03:51:05 PM »
Store credit! Of course. They're fast with the store credit, which is their way of keeping your money (you'll spend $50 bucks on some other junk they sell that only cost them $5).

What we were actually told, repeatedly, is "refund." Getting them to do what they said they would do is not something that goes fast. In fact, I am starting to think it may be impossible.

If you are satisfied with store credit then ok, otherwise I would encourage you to write them and point out their mistake.

I have raised this with them numerous times and did so again today, but so far have nothing to show for it.

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