Using a Raspberry Pi to give your car more features

xbmc-automotive-installation

[Andrei] is cruising in style thanks to his Raspi-powered CarPC project, which is a steal at $200 considering all the functionality it provides. This is an update to the work we saw from him back in March. Rather than completely replace his car’s head unit, [Andrei] simply relocated it to the trunk, permanently set it to the “aux input” source, and connected the Raspberry Pi’s audio output. The Pi runs a Raspbian Wheezy distro with XBMC and is mounted in the storage area beneath the middle armrest. [Andrei] filled the hole left by the old stereo with a 7-inch touchscreen display, which connects to the Pi through both HDMI and USB. If you throw the car into reverse, the Pi automatically selects the touchscreen’s AV input to display the car’s backup camera, then flips back when put in drive.

The unit also provides navigation via the open-source Navit software using OpenStreetMap data. An ST22 SkyTraq GPS receiver grabs coordinates and feeds them into the Raspi, which updates the on-screen map once per second. You’ll want to watch the video after the break (Audio Warning: Tupac) to see for yourself just how well the CarPC came together,

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SqueezeBerry: a Raspberri Pi powered Squeezebox appliance

squeezeberry

We like the look which [Emmanuel] achieved with his Raspberry Pi based Squeezebox client. It’s got that minimalist slant that makes it seem like a commercial product at first glance. But one more look at the speakers without grates, the character LCD, and the utilitarian buttons, knobs, and switches tips us off that it’s filled with the hardware we know and love.

Since Logitech announced that it was terminating the Squeezebox line we’ve seen several projects which take up the torch. We’ve seen the RPi used as a Squeezebox server and several embedded Linux systems used as clients. This follows in the footsteps of the latter. The RPi is running Raspbian with the squeezelite package handling the bits necessary to talk to his server. The controls on the front include a power switch, rotary encoder and button for navigating the menus, and a potentiometer to adjust the HD44780 LCD screen’s contrast. The speakers are a set of amplified PC speakers that were liberated from their cases and mounted inside of the wooden box that makes up the enclosure. The in-progress shots of that case look pretty rough, but some sanding and painting really pulled everything together. As you would expect, we’ve embedded the demo video after the jump.

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OpenGL on the Raspi

Perhaps we’ve been concentrating too much on the hardware side of the Raspberry Pi. Sure, connecting the Raspi to the outside world through GPIO pins is cool, but let’s not forget we’re dealing with a full-fledged Linux box here. [chris] is doing his best to keep us in check with by bringing the power of OpenGL graphics to the Raspberry Pi.

Previously, OpenGL ES was only available for xorg but [chris] successfully added support for Raspbian. There’s a great physics demo [chris] put together showing off 128 spheres and cubes bouncing around a plane.

Right now, [chris] is looking for people to contribute samples and tutorials for making accelerated 3D graphics on the Raspi. You can grab all the code over at [chris]‘ Git and contact him over on the Raspberry Pi forums if you’d like to help out.

As with any graphics demo, check out the videos after the break.

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