Today's Message Index:
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1. 05:48 AM - Re: Kitplanes article on an Elegant LED driver (Brantel)
2. 05:51 AM - Re: Re: Kitplanes article on an Elegant LED driver (Robert L. Nuckolls, III)
3. 06:05 AM - Re: Kitplanes article on an Elegant LED driver (Brantel)
4. 11:39 AM - Re: Re: Kitplanes article on an Elegant LED driver (Robert L. Nuckolls, III)
5. 02:42 PM - Re: Kitplanes article on an Elegant LED driver (Ralph Finch)
6. 02:56 PM - Re: Kitplanes article on an Elegant LED driver (Brantel)
7. 06:28 PM - Re: Kitplanes article on an Elegant LED driver (PSYCHOSE)
Message 1
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| Subject: | Re: Kitplanes article on an Elegant LED driver |
Bob,
I have a volunteer that has agreed to test this modified driver in his RV. This
is a person that had tried the original raw driver and who had sever problems
with noise.
This will be a good test because he knows how they performed before and he will
know after. Currently he replaced the drivers with resistors.
His application also has a Archer wingtip Nav antenna and he plans on putting the
modified driver on that side so we can see how it affects Nav radio performance
as well.
It will take a few days but we will get some real airplane testing done!
It looks very promising when just comparing it to the way they affected the handheld
so I expect the aircraft will have similar results.
Bob are you planning to market these or just give us the sources and info needed
to build our own?
Thanks for your help Bob!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 8158#208158
Message 2
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| Subject: | Re: Kitplanes article on an Elegant LED driver |
At 03:40 PM 10/9/2008 -0700, you wrote:
>
>Bob I was able to test with a handheld not connected to anything.
>
>Test one: Original Raw Driver, led array and about 3 ft of power
>wires. Handheld gets trashed at over 20ft. Lots of audible noise and the
>squelch is opened even at max.
>
>Test two: Bob's Modified Driver, same everything else. Handheld can be as
>close as 1 ft before picking up noise and it gets stronger the closer the
>antenna is to the setup.
>
>Test three: Bob's driver, same everything else with the power wires to
>the driver passed twice thru a ferrite core. Handheld can be as close as
>the antenna touching the power wires with no noise.
Very good data. It looks like we could
consider a bit more attention to the VHF spectrum
outside the boundaries of the existing filter.
But I suspect that the present configuration
would be clean enough for service without
the ferrites.
>Seems we are very much on the right track. With the ferrite core, it
>seems the problems are almost fully eliminated.
>
>Bob, how can I get another one of these for the other side of my nav lights?
I have more boards and parts but no power
supplies (you supplied the one we used). Do
you want me to assemble one or send you the
parts? You'll note some chop-n-hack on the
board where I corrected a layout error.
Perhaps I just need to correct the layout
and then publish the ECB art along with
a bill of materials. You guys can probably
run with it. All the parts come from Digikey.
>I do not have a panel mount to test. This would be the ultimate test as
>the driver and the radio would be sharing a common power supply.
Given the results of your experiment with the
hand-held as an e-field sniffer, I think the
present configuration would play well in the
airplane. I'm still planning on getting into
the RFI lab out at NAIR. I attended a meeting
out there last night and bugged 'em about it
again. You think government and industry are
wading around hip-deep in bureaucratic mud,
take a peek into a university some time!
Bob . . .
Message 3
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| Subject: | Re: Kitplanes article on an Elegant LED driver |
[quote="nuckolls.bob(at)cox.net"]At 03:40 PM 10/9/2008 -0700, you wrote:
> I have more boards and parts but no power
> supplies (you supplied the one we used). Do
> you want me to assemble one or send you the
> parts? You'll note some chop-n-hack on the
> board where I corrected a layout error.
>
>
> Bob . . .
Bob since you have the parts and the boards and know how you modified the board
to make it work, could you assemble one more for me? I could send you another
driver to install. I am more than willing to pay you for the work and shipping,
just let me know what that would be.
As far as future ones, I am sure there are some that would be OK will assembling
their own and I am sure that there are some that would rather you just sell
them a completed one. To minimize the stress on your end, if you could just publish
the board art, bom and sources, I am sure that would be OK with most people.
Let us know!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 8161#208161
Message 4
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| Subject: | Re: Kitplanes article on an Elegant LED driver |
At 06:04 AM 10/10/2008 -0700, you wrote:
>
>
>Bob since you have the parts and the boards and know how you modified the
>board to make it work, could you assemble one more for me? I could send
>you another driver to install. I am more than willing to pay you for the
>work and shipping, just let me know what that would be.
>
>As far as future ones, I am sure there are some that would be OK will
>assembling their own and I am sure that there are some that would rather
>you just sell them a completed one. To minimize the stress on your end,
>if you could just publish the board art, bom and sources, I am sure that
>would be OK with most people.
>
>Let us know!
Okay, I did the sharp pencil treatment on a
filtered LED driver as follows:
AEC9051-1 1-Amp, LED Driver Assembly similar
to . . .
http://aeroelectric.com/Pictures/Lighting/Buck-Puck/BuckPuck_1.jpg
except connector will be right angle version and
exit the board parallel to the mounting surface
as opposed to standing up.
Board will be fitted with the LuxDrive 03021-D-N-1000
1A LED driver module and filter components shown in
http://aeroelectric.com/Pictures/Lighting/Buck-Puck/BuckPuck_4.jpg
http://aeroelectric.com/Pictures/Lighting/Buck-Puck/BP_Filter_V1p1.pdf
A complete kit consisting of board assembly, mating
d-sub connector, connector hood and machined d-sub
pins as shown in . . .
http://aeroelectric.com/Pictures/Lighting/Buck-Puck/BuckPuck_3.jpg
(except for connector orientation).
I'll need orders for 20 assemblies to break even
for tooling up and bringing in unique inventory (ECBs and
Buck-Pucks).
Price for each assembly as described is $46.00 plus postage.
This device has been added to the order form at:
https://matronics.com/aeroelectric/Catalog/AECcatalog.html
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 5
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| Subject: | Re: Kitplanes article on an Elegant LED driver |
Forgive me for what's probably a dumb question, but, how many of your
gizmotronic modified LED drivers will I need to run two wingtip nav lights
on an RV? I ask because I don't understand if the gizmotron is in the fuse
with output to the two wingtips; or if a gizmotron sits in each wingtip.
Soon as I know you'll get my order and probably another one from another
builder here too.
Ralph Finch
Davis
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Robert L.
Nuckolls, III
Sent: Friday, October 10, 2008 11:37 AM
Subject: Re: AeroElectric-List: Re: Kitplanes article on an Elegant LED
driver
Price for each assembly as described is $46.00 plus postage.
This device has been added to the order form at:
https://matronics.com/aeroelectric/Catalog/AECcatalog.html
Bob . . .
Message 6
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| Subject: | Re: Kitplanes article on an Elegant LED driver |
Most people will need two, one for each wingtip. You could use one but with reduced
drive current to each string of LED's.
This driver can source 1000mA of current.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 8220#208220
Message 7
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| Subject: | Re: Kitplanes article on an Elegant LED driver |
Hello Bob,
While I would rather purchase your assembled units, I already have purchased the
BuckPuck and would appreciate the parts list so that I could roll my own, unless
you would be willing to send me the assembled unit minus the Buckpuck which
I would solder in myself.
regards,
Normand RV8 wings.
--------
Normand Gingras RV8 wings
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 8249#208249
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