How To: Build a A-10 flight panel controller - Page 30 - ED Forums
 


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Old 03-03-2014, 10:28 PM   #291
donbinator
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Quote:
Originally Posted by Mr_Burns View Post
Not sure if this is the best place for this, but I am making a UFC and was thinking of illuminating the buttons with a LED tactile.

The one ive seen is standard tactile with the 4 feet, and then two additional feet either side of the LED.

I am assuming that you wire these two feet to a circuit so they stay permanently illuminated rather than light up when pressed?

So if there are 31 of these - could someone suggest what circuit I can run.

There is a 5v dc on my GGG interface card - can 31 LEDs be powered by USB???

Spec:


SPST PCB Mount Tactile - Vertical & Horizontal with LED - Vertical Green


Rating: 12VDC 50mA
Operating Temperature: -50 ~ 70 degrees C
Contact Resistance: 100mOhm Max.
Insulation Resistance: 100MOhm min at 100VDC
Withstand Voltage: 250VAC for 1 minute
Contact Arrangement: SPST
Momentary Action
LED Power Supply: 3.5-4V DC @ 25mA



Thanks for your advice!
Mr. Burns, in my experience the 25mA rating for the LED is quite bright, and you can get away with less, but you'll have to experiment with what the maximum brightness you want is, and what current that ends up being per LED. So let's assume your acceptable maximum brightness ends up being around 18mA, then 31 buttons times 18mA is 558mA. Most often each USB output from the back of your PC will support up to 500mA, but powered hubs will often support up to 1A per output. All of that said, you would have to look at the specs for your GGG interface card and find out how much current it can provide. If I were to use LEDs to light my UFC I would personally plan on giving my UFC it's own power supply and driver IC's to drive the LEDs. This will also allow things like Pulse Width control for dimming (set current to your maximum desired brightness, then use a Pulse Width Modulator to adjust brightness in game). I'm going to first try the light board method first though with a big ol' green light in the box to backlight the keys, except for the Warning indicator which obviously has its own light. Your way will probably look a lot better though. We'll see how I do .
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Old 03-04-2014, 01:04 AM   #292
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Actually have just seen the price - I am not going to try the above, over $110 I think I will stick with green LEDs.
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Old 11-05-2014, 03:10 PM   #293
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Quote:
Originally Posted by TigersharkBAS View Post
Schematic can be seen here:
http://dl.dropbox.com/u/170804/One%2...hematic%29.pdf

Be advised there is a 2 chip version of this called a 74221. This would mean you only need 1 chip per doublethrow toggle switch. I have found them difficult to come by though.


This WIP but here is a PCB I am in th eplanning stages of designing.

http://dl.dropbox.com/u/170804/One%2...0%28PCB%29.pdf

Question regarding the integration of IC 74121 (or 74221) with the WIZ40.
Is there an easy solution to incorporate these IC without burning a board? (which I have zero experience). I like the momentary switch solution you prose as I will be creating a generic panel for DCS as well as IL2 BOS ( and COD).
I understand I could use software to remedy the continuous pulse as well.. Is there a suggestion fore an easy to use one... just in case.

cheers
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Old 12-07-2014, 06:32 AM   #294
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Hey guys, new around here and I am trying to figure out this GP-Wiz thing.
First off, hi, my name is Gary. I've been in the Air Force for about 21 years now and currently I teach at the Weapons School here at Nellis.

I am attempting to simply get my Electrical Power panel to do what I want. Right now when I flip say my APU Gen switch it turns it on but when I turn it off nothing happens. So I read about editing the .lua for the GP-Wiz but the problem is all I can find is the .diff.lua file with the differences of the controller. Is this the file to change or should I have another one? For switches that don't have off commands can you put OFF after the iCommand and make it work? I notice that the numbers don't appear like they used too in the beginning of this tutorial. Thanks in advance. Oh if this is covered elsewhere please point me in that direction instead of repeating yourself. Apparently I don't know what to search for.
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Old 12-07-2014, 10:54 AM   #295
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Welcome Gary.

Things have changed quite a bit since the original tute...and to be honest...I am really unhappy about the current level of documentation that supports this.

You might want to try this thread:
http://forums.eagle.ru/showthread.php?t=122790

Or reach out to devrim directly.

Good luck. I really wish there was official support for all this stuff.
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Old 12-07-2014, 10:55 AM   #296
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Quote:
Originally Posted by Shubert69 View Post
Question regarding the integration of IC 74121 (or 74221) with the WIZ40.
Is there an easy solution to incorporate these IC without burning a board? (which I have zero experience). I like the momentary switch solution you prose as I will be creating a generic panel for DCS as well as IL2 BOS ( and COD).
I understand I could use software to remedy the continuous pulse as well.. Is there a suggestion fore an easy to use one... just in case.

cheers
You could use an Arduino and program this.

But you're not gonna get out of this without some technical know how.
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DCS CoPilot - The most comprehensive iPhone tool you need for DCS A-10C. (In development)
http://forums.eagle.ru/showthread.php?t=120253

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Old 12-08-2014, 02:19 AM   #297
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Quote:
Originally Posted by TigersharkBAS View Post
Welcome Gary.

Things have changed quite a bit since the original tute...and to be honest...I am really unhappy about the current level of documentation that supports this.

You might want to try this thread:
http://forums.eagle.ru/showthread.php?t=122790

Or reach out to devrim directly.

Good luck. I really wish there was official support for all this stuff.
Thanks! I think Helios is going to be the answer for now. I was able to get that working in about 6 to 9 minutes.
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Old 02-10-2016, 02:30 PM   #298
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Hi I just wanted to take the time out to say thank you for sharing your knowledge with a fellow brother in flight sims.
This is a hobby which keeps us all from going insane.
I hope to build a ka50 switch panel very soon. Just as soon as iv sourced all the different type of switches i need.
Cheers once again
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Old 02-10-2016, 08:53 PM   #299
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You're welcome :-)


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How to make a DCS A-10C Panel - http://forums.eagle.ru/showthread.php?t=65998

The Warthog Pit - The Home Cockpit and Panel Building Wiki - http://deadfrogstudios.com/warthogpit/index.php?title=Main_Page

DCS CoPilot - The most comprehensive iPhone tool you need for DCS A-10C. (In development)
http://forums.eagle.ru/showthread.php?t=120253

Follow us on Twitter
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