Car Computer v2 Complete

2×16 Serial LCD Screen; Matrix Orbital
- Connected via Serial to COM1, LCD is powered through a custom cable I rigged to draw power from a USB port. Uses the 5v USB rail.

Touchscreen with frame for specific vehicles; ByByte
- Bybyte Double Din, LCD Touch Screen Combo, 99-3527LCD. Uses a lilliput touchscreen. Had a few issues with a defective screen but talked to their tech support, did a few things, sent some photos and got back with me very quick, had shipping return and send a new one. Great service guys!

Steering Wheel Controls; JoyCon
- The JoyCon takes in variable resistance controllers (steering wheel buttons among them) and allows you to assign keystrokes/actions with the USB controller. Simple interface, and the software does not need to be kept running. USB device acts as keyboard and HID controller.

Keyboard – I don’t have the link for this, It was used in my car computer project from the start in the Malibu, and then to the GTP and still using it. Just a mini PS2 keyboard, hidden in the console. No real need during daily use.

Computer Case / Motherboard
- VoomPC2 Car Computer Case, with Motherboard Combo. If the link does not work, try www.mini-box.com and browse around.

Navigation Software
- MapMonkey frontend to Destinator. Allows me to embed the software into my custom interface as well through a simple API.

Winamp
- If you don’t know what this is well, I can’t help you.

AKHotControl
- Allow Systemwide HotKeys to control Winamp. I then assign the HotKeys to the JoyCon.

Eclipse
- Small utility to dim the screen. Assigned to a steering wheel button as well. I don’t have the website for this program, found it a long time ago. Uploaded to my site.

Comments

I just threw up a little

I saw this on the way to work, and well, the image says it all.

Cadillac CTS Wagon

Fuck, that.

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JoyCon 2004 Pontiac Grand Prix

Connecting a JoyCon to the radio harness on my car and reading through all the available material that I could find, I kept running into some problems with 12v going into the JoyCon instead of measuring the resistance. Here is how I connected my JoyCon EX to my steering wheel controls on the factory radio harness.

GM24 Radio ConnectorRemember, this connector is viewed from the pin side, not the wire side.

Connect the DATA (white) wire from the JoyCon into pin A6 and then the GND (black) wire from the JoyCon into pin A7.

JoyCon ConnectedMight be a little hard to see, but the yellow wire in my harness is connected to the white data wire, and my orange wire from the harness is connected to the ground of the JoyCon.

Comments

They blowed it up!

You know your development team has memory leaks when you get this, and even after repeated attempts to make them fix the problem, they just keep ignoring you.

Therefor, I hope they lost data when the machine had to under go a reboot.

Cannot fork!

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Little delay

Well the LCD screen looked great in the car, but had some defect from what ByByte was telling me after I shipped it back a few days ago when it would not turn on from the wall adapter. Wrote me an email late last night saying that they shipped me out a new (or repaired with new LCD screen) one. Hopefully will be here shortly, I hate USPS with burning passion though.

ByByte is recommending via their website that I use the small DC regulator that came with the screen to connect to the car itself. Not sure I am going to keep it that way, but I have no choice at the moment. I might pickup a 12v DC-DC power supply that takes in a 12v lead to power on and off the screen and regulate the spikes and dips in voltage. I don’t trust the little LCD power egg to handle it, though this version looks much better then the old LCD power egg that I never used.

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