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Date:  1-26-2018
Number of Hours:  8.00
Manual Reference:  
Brief Description:  Debug and install MP3 Stereo and CO detector

I wanted an MP3 player/Stereo player to add music to the flight. There is no room for a full-size car stereo. After a bit of searching I found several small mp3 players for about $8 each, Crazy cheap. Documentation for the MP3 players is nonexistent, so it has been a process of figuring out what will work. Some have built in amplifiers, some not so much. etc...
Since the player I seem to have figured out is a 5V device, I will need to set up a voltage regulator circuit feed. It’s the same circuit as feeding the heater servos. No problem, I have the parts already.

The MP3 player comes from DX.com at this link:
http://www.dx.com/p/1-0-led-mp3-player-module-w-fm-remote-controller-usb-mini-usb-sd-slot-silver-5v-126112#.Wmpr-LqcH_o

I still have yet to get the cockpit speaker working, but should have that in hand soon. I had 8-ohm speakers on hand. Checking the specs for the Audio panel shows a 4-ohm required. 2 on order from Digikey.

Cutting the holes on the panel on the mill is quick, accurate easy and done.

Added the step-down voltage regulator. A little trouble shooting was required as the power repeatedly cut out. I determined it was the overheat protection of the IC shutting it down intermittently so an added a heat sink (which I had in hand) to fix that little problem. Connectors and a few mounting screws to finish up.
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Right instrument panel os far

Right instrument panel os far

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Close up of the CO and MP3 player

Close up of the CO and MP3 player

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Rear view of the CO detector and MP3 player

Rear view of the CO detector and MP3 player

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