Today's Message Index:
----------------------
1. 04:48 AM - New Avionics Modules from Vx Aviation (Vern Little)
2. 08:59 AM - Adapting Aviation Headset to work with a PC (jhausch)
3. 02:20 PM - Re: Adapting Aviation Headset to work with a PC (Vern Little)
4. 04:29 PM - Re: Adapting Aviation Headset to work with a PC (jhausch)
5. 08:37 PM - Re: apparent alternator issue (cjay)
Message 1
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Subject: | New Avionics Modules from Vx Aviation |
Last week, we discussed the re-introduction of our remote Angle-of-Attack
indicator, discussed at length on the list several months ago. Today, we
have two new devices that may spark an interest:
=================
RS-232C Buffer Board:
=================
Vx Aviation today has announced the availability of the TRX-232A RS-232
buffer . Like most Vx Aviation products, this fits in a D-Sub backshell
thus making it extremely compact and light. It provides either a
one-to-eight fanout buffer or a dual one-to-four buffer.
Primarily used for GPS systems that need to drive many other instruments or
to convert the low-level outputs of portable GPS devices into compliant
RS-232C level signals.
Price for the TRX-232A is $100, it's $114 with a mating connector and barrel
crimp pins. Full text of the Announcement:
http://vx-aviation.com/documents/TRX-232A-110329.pdf
================================================
General Purpose Prototyping Board with PIC Microcontroller:
================================================
The PROTON-225 fits in a D-Sub backshell, a hallmark of most Vx Aviation
products and has provisions for a PIC microcontroller for smart
applications. It can be used for developing simple things like bias resistor
packs for engine monitors all the way up to custom programmable devices like
custom annunciator displays. For example, both DB-25 connectors can be used
to form an 'inline' processor, or a row of LEDs and a transparent window can
be mounted on one end to form a custom display.
Price for the board only is $29, it's $39 with the connectors and backshell.
Full text of the Announcement:
http://vx-aviation.com/documents/PROTON-225A-110329.pdf
Thanks,
Vern Little
Vx Aviation
Message 2
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Subject: | Adapting Aviation Headset to work with a PC |
Hello Group,
I would like the noise attenuation and noise cancelling properties of an aviation
headset to use with Skype on my PC.
I contacted Quiet Technologies because I like the in-ear style. They referred me to RCM Headsets and the Starkey line: http://www.rcmheadsets.com/products.php?m=1
I've sent an email and am awaiting a response.
I am familiar with the "roll your own" headsets threads here and on VAF, but that
is generally "going the other way" (PC versions to use in aircraft)
I searched and only found this thread (which, again, is the opposite of what I need) http://forums.matronics.com/viewtopic.php?t=54658&highlight=headset+computer
I thought I'd throw this thread out there for additional ideas.
I'll let you know what I learn from RCM, and, as a next step, I suppose we'll find
out how well the Skype "squelch" works when paired with a good mic (I see
that as the most likely next hurdle/issue)
Thanks.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=335400#335400
Message 3
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Subject: | Re: Adapting Aviation Headset to work with a PC |
Go to here: http://www.flightsim.com/main/howto/adapter.htm
Here are the recommended modifications: Use a 1K resistor rather than the
470, and eliminate the electrolytic capacitor on the far right (not
necessary)
Should work fine.
Vern Little
Vx Aviation
-----Original Message-----
From: jhausch
Sent: Tuesday, March 29, 2011 7:50 AM
Subject: AeroElectric-List: Adapting Aviation Headset to work with a PC
Hello Group,
I would like the noise attenuation and noise cancelling properties of an
aviation headset to use with Skype on my PC.
I contacted Quiet Technologies because I like the in-ear style. They
referred me to RCM Headsets and the Starkey line:
http://www.rcmheadsets.com/products.php?m=1
I've sent an email and am awaiting a response.
I am familiar with the "roll your own" headsets threads here and on VAF, but
that is generally "going the other way" (PC versions to use in aircraft)
I searched and only found this thread (which, again, is the opposite of what
I need)
http://forums.matronics.com/viewtopic.php?t=54658&highlight=headset+computer
I thought I'd throw this thread out there for additional ideas.
I'll let you know what I learn from RCM, and, as a next step, I suppose
we'll find out how well the Skype "squelch" works when paired with a good
mic (I see that as the most likely next hurdle/issue)
Thanks.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=335400#335400
-----
No virus found in this message.
Checked by AVG - www.avg.com
Message 4
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Subject: | Re: Adapting Aviation Headset to work with a PC |
Very interesting. Thanks!
Sorry, just for my own extra-cautious clarification - You mention that I would
eliminate the cap. on the far right. So I only need the one cap. (oriented as
shown), or do I eliminate both?
Also, since I might be using this in a very noisy environment, a PTT might be a
great idea.
I Googled and found this note about aftermarket PTT buttons on the PS engineering
website:
How do I modify a portable Push to Talk switch to work in series with my headset?
When using a standard portable PTT switch, when installed in series with the headset
microphone line, there will be no audio present through the intercom until
the PTT is pressed. This is because there are two switches inside the PTT switch,
One shorts the TIP and the Sleeve which is what keys the radio. The other
switch closes to allow the mic audio from the microphone to the ring of the
PTT's mic plug, which will allow the audio to pass to the intercom..
To modify the PTT so that the mic audio is always present, the PTT must be taken
apart and the switch that makes and breaks the microphone path will be closed
permanently.
Due the large variety of PTT, it is not possible for PS Engineering to provide
details on how to accomplish this modification.
PS Engineering does sell already modified PTT switches, call 865-988-9800 to order.
The wording "One shorts the TIP and the Sleeve which is what keys the radio" is
a little confusing. Shorts them to each other, Shorts both to V-, what?
So a little more searching and I think what is being said is this: The PTT has
two switches. The "sleeve" of the jack is at V-, the tip would be wired to mic
V-. When the PTT is pressed mic V- is tied to battery V- via the sleeve.
Simultaneously mic V+ is tied to the ring. In other words, when the switch is
open they are opening V- and V+ to the mic. I guess they use this DPST action
to keep all possible current paths open when the mic is not in use, and, perhaps,
to guard against issues when plugging/unplugging?
Do I have that right?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=335440#335440
Message 5
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Subject: | Re: apparent alternator issue |
thanks Jerry and Bob, exactly the kind of advice I was hoping for. Also thanks
for the autozone tip,
very much obliged,
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=335471#335471
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