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Thread: fustration usd axes card
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02-24-2008, 11:39 PM #1
fustration usd axes card
Can someone tell me why I;m getting so much ossilation . Axes are moving up and down on there own???
I calibrate for trottle and all axes move?
How can I assign engine 1 and engine 2?
Do I need diodes for my bottuns?
Click one button and 10 come one????
I'm really fustrated here.
Was this open cockpit card a waste of money???
Man oh man. I'm about to trow in the towel.
Wirering for days and you get crap. THERES GOT TO BE A EAZIER WAYYYYY
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02-24-2008, 11:44 PM #2
- Join Date
- Nov 2005
- Location
- rotterdam, the Netherlands, Europe
- Posts
- 803
pots are 10 k ? they work correctly ? not spiking ? tested on other cards ?
the inputs of the axes card are multiplexed. they are used in 3 groups...you are not mixing groups ?
Stef
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02-25-2008, 01:03 AM #3
Not to be rude but the search function is a wonderful tool!!
I have posted several items about the problems you are having.
Opencockpit cards are wonderful EXCEPT the usbAxis card.
I fixed my problems by running a ground wire from the usb metal shield to the shell of my throttle quad.
By the way, 10K pots have nothing to do with any jitter or problems. I currently use 1K pots and have tested 5K 10K 20K 50K and 500K. All worked great. It is a grounding issue on the card that i hope they will fix.
The work-around is above as i stated.
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02-25-2008, 06:06 AM #4
- Join Date
- Nov 2005
- Location
- rotterdam, the Netherlands, Europe
- Posts
- 803
only talking from personal experience.....
i had severe spiking problems with 100 k pots. 10 k solved the problem with me. The manual only mentions 10 k pots. I havent tried any other than 10k (perfect) and 100 k ( spikes) but could be a problem with the pot too.
if your cable to the usb axes card is very long you could try shielded wire.
never had any grounding problems...
Stef
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02-25-2008, 06:32 AM #5
- Join Date
- Dec 2007
- Location
- New Zealand
- Posts
- 52
Hi
I use the usb axis card with no problems.
1) yes, you need diodes, wire them between pins1 1 of J8 - J14 and each of the switches. You will end up with three diodes leading to three switches off each of those pins (if you have all 24 switches connected). I have 23 of the 24 switches connected with no problems.
2) you need to attach a dummy load across any unused axes, for example 2 50K resistors effectively setting the axis to mid travel. Apparently all axes are unstable without these resistors.
Hope it works - I have had no trouble from my card, I wish I could use SIOC with it though.
Cheers
James
PS there is an easier way - it involves paying a potload of money! OC stuff is cheap..CH Yoke
CH Pedals
2 Saitek TQ`s
Opencockpits multiradio
GF LGT + T8
BU0386x and custom autopilot control panel
Basic pedestal and mip for generic GA sim in progress..
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02-25-2008, 09:02 AM #6
Also think this should be in the OC forum.
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02-25-2008, 11:30 AM #7
- Join Date
- Jan 2007
- Location
- Netherlands
- Posts
- 201
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02-25-2008, 12:14 PM #8
This is no helpful at all. BS
Where in this this manual does it say diodes are need
http://www.andare-ing.com/uploads/Ma...es_english.pdf
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02-25-2008, 12:33 PM #9
- Join Date
- Oct 2005
- Location
- Holley, New York U.S.A.
- Posts
- 1,776
Well I took a fast look through the manual and it does not say that it does. But the card works on a matrix and you almost always have to use diodes. The way it works because you are sharing pins to get the different switches to work, when you push one switch, you get back feed through the wiring and it triggers 2 or more that share the same common. The diode only allows power to flow through it one direction and stops the ghosting or pushing of multiple switches at the same time. I hope this helps some...
Bob Reed
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02-25-2008, 01:42 PM #10
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