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> Flypod, iPod wired into avation headset
martinson83
Posted: May 04, 2012 10:43 pm
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Im an aircraft mechanic in the usmc. many times while performing maintenance im stitting on the plane with power applied. i wired a 3.5 mm jack to the micraphone input of my headset so i can listen to my ipod while im waiting for a fuel truck or maintenance to get completed. this only sends the signal through the mic into the aircraft and back through the headset. i can wire it into the speakers directly but its a choose one or the other option. im not an electrician at all but im shure there is a toggle switch that will allow me to choose between the signal being sent to the mic input, or the speakers in the headset. im looking at toggle switches online but im unsure what to order. 2 channel on/off/on mabey? seems simple but im a grease monkey not a wire chaser. anybody know what im trying to explain, and can help me order the right toggle switch?
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tekwiz
Posted: May 04, 2012 11:36 pm
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What you want is a double pole, double throw switch. You don't need the center off option unless you wish to be able to cut both headset & speakers at once.
This switch is used to switch the L & R hot leads only. All of the grounds are connected together.
Switches also come in different ratings, but even the smallest is more than enough for your application, so literally any DPDT switch will work. smile.gif


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CWB
Posted: May 05, 2012 01:19 am
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hmmm ...
is that a duly approved MWO ?
i-didn't-think-so .


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martinson83
Posted: May 07, 2012 10:42 pm
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would a SPDT Toggle ON/ON Switch work? it only has 3 pins, andit looks like i can figure it out. the ones with the 6 pins look confusing. im deployed, lol. aint no controll officer, or QA rep gonna give a damn about my headset.
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johansen
Posted: May 08, 2012 12:10 am
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QUOTE (martinson83 @ May 04, 2012 05:43 pm)
my headset so i can listen to my ipod while im waiting for a fuel truck or maintenance to get completed.

you must be west coast tongue.gif

O level folks in cherry point didn't have time to eat lunch when i was in...


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martinson83
Posted: May 08, 2012 06:42 am
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okinawa o level, sometimes it takes a while for the fuel truck. even longer in the dirt.
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damien
Posted: May 08, 2012 11:01 am
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And then modifying aviation equipment....

Damien


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martinson83
Posted: May 08, 2012 10:00 pm
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its a headset, my headset. "modifying aviation equipment" makes it sound like a big deal. it aint flying. not harming the aircraft or brodcasting anything, cus i know how to operate the radio. i use it to call for fuel trucks, or talk to mechs around the aircraft. flypods are not a new invention. im just looking for advice from better electricians. i asked the electric shop in my squadron for help and they wired it wrong. i had to figure out to bridge the stereo signal into the mono input of the headset myself.
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martinson83
Posted: May 08, 2012 10:58 pm
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this is my headset. there are many like it, but this one is badass cus i can plug an ipod into it!!!
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martinson83
Posted: May 09, 2012 12:01 am
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oh!! the headset is mono and the switch is designed for a L/R hot lead, and a ground for one of the on positions and a L/R hot lead and a ground for the other on position. so i can just bridge the L/R hot leads into a single input? L/R bridged into one input and one ground for the mic, and L/R bringed into one input and one ground for the headphones. basicly turning a 6 pin switch into a 4 pin switch. just need a multimeter to get the right ground to the right input. correct me if im wrong, but im pretty sure learning has just accured.
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johansen
Posted: May 09, 2012 01:05 am
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i'm sure its something the I level guys could do for you if you don't have a soldering iron or whatever.

can you still look the schematics up in JKsearch?


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Dig_Gil
Posted: July 15, 2012 12:22 am
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It is as simple as this:

I will suppose your speakers are connected to some sort of amplifier which has got a place where you can stick a plug in... Maybe.
Therefore you'll need the plug. I don't know what aircraft radios use, but in car radios, one could get a cassette adapter with a wire following it.

Get a Single Pole Centre Off switch. Following that diagram, you connect (otherwise solder) the plug I spoke of before to the L1. You get one of your headset's "hot" wire connected (again: soldered) to the L2. The "com" part of the switch shall be connected (erh... soldered) to another plug which fits into the iPod's headphone socket.

Of course that there will be an extra 2 wires loose from each of the devices (supposing that everything is stereophonic nowadays.) One will be other "hot" wire (for other hear). Other will be the ground. The Ground wires of every device shall be connected to each other directly.

Presto. One flip: Pilot's headset, another flip: Aeroplane's speakers. You may hot-glue everything to the headset (maybe; be creative yourself).

If this was simple for you (I bet it is), then you may buy a Double Pole Single Throw Switch. In this case, you can add the stereo feature to your contraption by connecting the last "hot" wire which we left loose before to the extra terminals in the new switch in the same way we did before.
Be careful if you mind about the left-right disposition of sound.

Electric car windows are controlled by switches of that kind. Be aware that they are momentary switches, though. So you need to modify them if you think about using one of these.

NOTE: AFAIK, you really need an amplifier of some kind to make the loudspeakers work. Car radios are fundamentally amplifiers. Don't know about aircraft equipment. Maybe you'll have a slot in your plane's cockpit that may be used to carry another device which you can use to bring a car radio with you.

DO NOT CONNECT GROUND WIRES WITH THE HOT WIRES! MULTIMETERS NEED JOBS TOO!

Any question?
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