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Author Topic: Multidisplay, a Open Source inCar Display, Logger  (Read 48973 times)
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Glassport,Pa@ USA
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shoop teh whoop!
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how do you make custom characters?
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Austria
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it runs  smiley-grin

[media]http://www.youtube.com/watch?v=SKleYUhgoo0[/media]

and so md_001p0 is released (http://code.google.com/p/multidisplay/)

the car installation is a mess right now, but who cares, it works  :smiley



a very nice addon is the datalogging:

a short run:


detailed:


very detailed:


it updates every 15ms, fastest i can get is every 7ms, but there is no need for that...
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Wow, excellent work!  I hope you give more details of the car interface once you get done.  I know it's hard to do a write up when you're elbow deep in a project. smiley

Also, thanks for that snippet of the power circuit.  I hope to have it together soon.
« Last Edit: May 19, 2009, 12:47:20 pm by neonpolaris » Logged

Austria
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im writing it all into the wiki from google.code: http://code.google.com/p/multidisplay/w/list

its not much up to now but i will keep updating this  smiley

thanks to my VW, its quite easy, most signals are already 0-5V  ;D
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Austria
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got some schematics done, and more infos put into the wiki  smiley

the "base print":



The arduino can be put onto it, also a LCD, Powersupply, 3 Buttons, 5 VDO Sensors, 1 Boost Sensor, a Shiftlight, a LM35 and quite some more stuff  :smiley

in 3d:




and then there ist the Typ K Thermocouple print:



in 3d:


more infos about the TypK Print:  http://code.google.com/p/multidisplay/wiki/TypKThermocouples


now im working on getting some nice double sided prints  :smiley

designer2k2
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The Netherlands
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Looks like a lot of fun functionality!

My project is far away from something like this. Anyway, did you mount an aditional Lambda sensor yourself? Where did you bought it from (Conrad?)

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Austria
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yes, but the more you get into it, the more work it gets  :-?

The Lambda sensor is the stock one, i just tapped a wire inside the ECU loom  smiley-wink

Maybe in future i will put a LM1 sensor inside, it has a 0-5V output and is a nice wideband type sensor.



The whole thing will change from the Arduino to the Boarduino, to shrink it so it fits nicer inside the radio slot  smiley
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Austria
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im working on "BigFonts" becouse its a little hard to read the small numbers while driving fast  :smiley

2 Lines:


4 Lines:



just need to figure out how to do that  :-[
any help is highly appreciated: LCD "Bigfont" Numbers over 2 or 4 lines

designer2k2
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Very nice fonts!... I did a similar one for 3 lines. You can find the source code here: http://hifiduino.blogspot.com/2009/05/improved-display.html

(Use the corresponding lcd commands for your LCD. I used the web4robot LCD and the corresponding library)

(I may borrow your designs)
« Last Edit: June 19, 2009, 01:29:44 pm by glt » Logged

Rural Arizona
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A simple and cheap way to reduce clutter and glitches from surprise disconnects:



As it happens,  this setup was made when I was testing the web4robot controller with various LCDs.

You can also put a brick on top of the "no sliding around" frame that overhangs the piece,  and keeps it from bouncing out,  like this.

Ran
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Milano Italy
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Good job, i want do it  ;D
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Austria
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glt, i will look into the code, looks promising  smiley

go ahead with the fonts, there is nothing special about them...

will make a 3 line font also, gives some space to print something else on the LCD, when im able to print BigFonts...


Ran Talbott, thats a perfect idea!  8-) had the problem quite often that it disconnects in the car...
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Austria
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And a new video, out of focus but its possible to see what happens  :-/

[media]http://www.youtube.com/watch?v=PuyfSF7vrHQ[/media]

new things:

- BigFont 4 Lines
- BigFont 2 Lines
- Scope mode

The Scope is cool, makes it much easier to see changes in values as with Numbers...

Its basically a vertical bar, and then scrolled through a array  smiley
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ohio
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hello i race go karts and would like to build something like this. I want head temp. rpm. and laptimer. could i also get a camra to see behind me becouse we cant have mirrors. Do you think all this is possiable and about how much will it cost. a mycron 4 costs about $400 so any cheaper would be better. smiley-wink
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Need help building something pm me.
Need help programming DON'T pm me.

Im the one that needs the help.

Austria
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head temp and rpm is no problem, laptimer should also work, but it may not be so accurate.

The code from here may not be usable for time measurement, you need to modify it to work with some timers...
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