Dual Screen Mirrored In-Car Media Center

The goal of this project was to provide a connected dual-screen entertainment option to eliminate the need to bring along DVDs on road trips

Paul Whitaker

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Description

I used a Raspberry Pi 2 and dual HDMI-input screens to provide a mirrored, connected media center experience for our kids.

Details

Pi runs OpenElec and connects to an AT&T Wifi Hotspot. Video can be controlled via the controller or via a phone connected to the same hotspot. I use the Kore Android app, as well as the Raspberry Pi SSH app to run simple commands (uptime, get temperature, shut down). I also use VNC to mirror the video from the front seat although it's pretty laggy.

Components

1 × BTC S320 2.4GHz Portable Wireless Keyboard Mini with Touchpad
1 × SMAKN® 12V 5A Female Car Cigar Cigarette Lighter Socket Plug Connector Adapter
1 × SanDisk Cruzer CZ36 64GB USB 2.0 Flash Drive
1 × BU3DC001-12V Belkin RG Battery Backup Revision B 12V DC UPS
2 × TFY 7-Inch Tablet PC Car Headrest Mount Fast-Attach Fast-Release Edition, Black

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Build Instructions

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1

Step 1

Cut off the plug end of the Belkin RG. Solder and shrink wrap the female car lighter adapter. The output is 5V which will work with the Anker adapter to power the HDMI switch and the Raspberry Pi. This provides a battery backup for the Pi so it can keep its place when you turn off the car, and to prevent corruption of the SD card.

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