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Thread: 1964 Ford Falcon Ute, full Nexus experience!

  1. #21
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    Quote Originally Posted by SapporoGuy View Post
    In a way I agree with you about android but I'm just thinking that android/tablet might not be powerful enough to run a digital dash. (Just trying to bounce around ideas and thoughts more than anything)

    I agree on going nexus vs another tablet and was a major reason why I'm thinking of getting one. The SD card issue can be worked around it seems.

    Money and time!
    Yep! Those always seem to be a factor when you start a hobby that turns into a passion of love, sweat and bloody fingers
    There has been way too much blood, sweat and tears with my build so far.

    But with the tablet for a digital dash, look for an app called torque. It's pretty much perfect for what I want, you can customise it to be exactly what you want, and with a ODB2 bluetooth adapter (hooks into a car inbuilt computer), it'll pretty much plug & play.

  2. #22
    Low Bitrate ephect's Avatar
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    any updates on this?

  3. #23
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    Sort of, but not so much hi tech stuff that this forum usually does.


    I hooked up a few spare LED's to behind the ford lettering next to the drivers door.

    I've still got to play with it more, get white LED's instead of yellow, some sort of defuser to scatter the light more evenly, but the basic idea is there. But basically it'll start when the power turns on (Which should happen automatically when the proximity fob gets within 5 meters of the car).

    The video is below, it needs a defuser, and the wires will be hidden away nicely. But have a look.


    I also hooked up the capacitive sensor to the fuel cap, so you swipe and it pops open:


    And video:


    And I've also been doing a bit of experimenting with the paint, I found a 2pac black I'm really happy with.




    Next I've been playing with the tray, I did plan on using wooden planks, but I think they'd break and look crap due to wear, so I've been replacing the tray. The sides are in 2mm thick steel, and the base in 3mm checkerplate, very heavy stuff, I won't be denting it anytime soon.







    I've also made a start on the supports that the tablets with go into, I got some square hollow tube (1.5cm), and cut it open, then cut it some more and welded on a few hinges, so it can be welded flush with the dash, then the tablet can be moved in and out easily enough. But I wanted to get the tray sorted first.

    I've also made some progress with the arduino, and gotten the program to control everything via the tablet to work. So the arduino gets codes like 2 2 1, and it'll trigger the relay on pin 2, into on, for 1 second. I've just got to make an android program that when opened will send the preset codes to the arduino via usb. So I press 'air-con on' on the tablet, it'll send a '2 2 2' to the arduino, and it'll turn on the air-con.

    I'm also curious if anybody in here is really familiar with obd2 and arduino, I'm wondering how hard it'd be to input the things like fuel gauge sensor into the arduino, and get it to put out obd2 signals?
    Last edited by columnmn; 01-21-2013 at 11:00 PM.

  4. #24
    Constant Bitrate eugenweij's Avatar
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    First of all , respect to the time and effort you put into your car, I am loving it.

    You can read all the gauge sensors with an arduino , they are analog sensors and your arduino has analog inputs , as for odb2 thats a digital feed but those ports are also present on your arduino.

    The odb2 can be relayed to your tablet through the arduino and read by your software on the tab.


    its also possible to translate the odb2 signal into a different code language but that takes a lot of skill.

    for a lot more on arduinos look here: http://www.arduino.cc
    View my worklog here

  5. #25
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    Quote Originally Posted by eugenweij View Post
    First of all , respect to the time and effort you put into your car, I am loving it.

    You can read all the gauge sensors with an arduino , they are analog sensors and your arduino has analog inputs , as for odb2 thats a digital feed but those ports are also present on your arduino.

    The odb2 can be relayed to your tablet through the arduino and read by your software on the tab.


    its also possible to translate the odb2 signal into a different code language but that takes a lot of skill.

    for a lot more on arduinos look here: http://www.arduino.cc
    I might have to hook my arduino into another car, see what code the obd2 would usually give out. If its not too complicated, I might be able to recreate it. I've found a device online that does it, but I'm being cheap and want to do it myself.

  6. #26
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    Quote Originally Posted by columnmn View Post

    I've also made some progress with the arduino, and gotten the program to control everything via the tablet to work. So the arduino gets codes like 2 2 1, and it'll trigger the relay on pin 2, into on, for 1 second. I've just got to make an android program that when opened will send the preset codes to the arduino via usb. So I press 'air-con on' on the tablet, it'll send a '2 2 2' to the arduino, and it'll turn on the air-con.
    I am very interested in this. Could you give some more details on how you send commands from the Tablet to the arduino. Is this an app you have made yourself.

    Would this also work in reverse eg an input on the arduino board triggering an event on the tablet.




    Sent from my HTC One X using Tapatalk 2

  7. #27
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    Quote Originally Posted by krisperry View Post
    I am very interested in this. Could you give some more details on how you send commands from the Tablet to the arduino. Is this an app you have made yourself.

    Would this also work in reverse eg an input on the arduino board triggering an event on the tablet.




    Sent from my HTC One X using Tapatalk 2
    The arduino side uses a sketch similar to this:
    http://forums.trossenrobotics.com/tu...a-serial-3300/

    But the android side will need a custom app. But it's going to be a very simple one, it opens a serial port, sends a few numbers, shuts down, all very quickly. It won't need any graphics or buttons/settings. Just very simple. All the talking to serial libraries are already made, it's just a matter of combining them.

    The other way would work too. There are plenty of arduino communicators around on the play store, but the rest depends on what you want it to do?

  8. #28
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    Quote Originally Posted by columnmn View Post
    The arduino side uses a sketch similar to this:
    http://forums.trossenrobotics.com/tu...a-serial-3300/

    But the android side will need a custom app. But it's going to be a very simple one, it opens a serial port, sends a few numbers, shuts down, all very quickly. It won't need any graphics or buttons/settings. Just very simple. All the talking to serial libraries are already made, it's just a matter of combining them.

    The other way would work too. There are plenty of arduino communicators around on the play store, but the rest depends on what you want it to do?
    My steering wheel controls interface with my stereo via canbus. When I have my Tablet connected via aux, the skip buttons obviously have no function. I don't think it'd be too difficult to tap into this canbus network and allow the steering wheel skip buttons to skip tracks on the Tablet

    Sent from my HTC One X using Tapatalk 2

  9. #29
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    Quote Originally Posted by krisperry View Post
    My steering wheel controls interface with my stereo via canbus. When I have my Tablet connected via aux, the skip buttons obviously have no function. I don't think it'd be too difficult to tap into this canbus network and allow the steering wheel skip buttons to skip tracks on the Tablet

    Sent from my HTC One X using Tapatalk 2
    I'm sure there would be a way to get it to work with tasker, I had a play and couldn't figure it out though. It'd be simple enough to send the trigger to the tablet via serial, but I couldn't figure out how to make tasker recognize the serial connection. But skipping a track is very simple with tasker (same with volume). It's just a matter of getting tasker to recognize the input.

  10. #30
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    Well, I've gotten a bit done over the last few weeks.

    I had to have a play more with the fuel tank. I discovered that the tank wouldn't fit next to the wheel tub anymore. So I had to cut off the lip, and weld the sides together, then with the help of my dad, we tinned the outside welded parts, and I bought some of the kbs tank sealer stuff.

    Really good stuff, sticks well, and should have filled in any micro holes, and will stop the rust from coming back. I also had paint leftover, so I coated the outside of the tank with it too.

    Fits now.



    Then I finished welding in the other side of the tray. And damn, it's heavy to lug around by myself.

    And I started on some grinding of the edges, it'll need some filler, and the sanding discs, but I'm happy with how it's turning up.


    And for those curious about how much grinding is involved with the edges. This is what landed in the tray from the top lip.


    Now, I've had a bit more of a play, and I was originally going to put a nexus 10 tablet in the center of the dash for controlling everything. However, I discovered how much bigger a 10 inch tablet is over a 7inch tablet.

    I knocked up the frame with the dimensions for the tablet.


    I'm planning on mounting the ash tray below the tablet, so it'd almost be touching the ground, so way too big. And just for comparison.


    So I'll be putting in two nexus 7 tablets, instead of the 7 & 10 tablets. Luckily I've got two already (one with a broken screen, just need to replace the screen).

    So I started on the frames. I'd been pulling my hair out trying to get it symmetrical, I just couldn't get it right by eye & angle grinders.

    This was my first attempt, I used square tube, and cut enough of a gap to hold in the tablet. Then I was planning on using the cut parts to hold it in place. Cutting a straight line with an angle grinder is tricky.


    This is mach 2, I made up the bottom parts for the lights (engine light, low fuel, oil, ect). That was the third attempt on the lights enclosure, and I'm pretty happy with it. But the rest is a little rubbish. Mach 3 will come once I get more welding gas.


    I had a go at the center tablet holder. And I got some of the offcuts from the tray, I found the edges that were straight from the metal place I got it. I welded those together, and started on the rest of the enclosure.


    The back bracket holds in the tablet with a rare earth magnet, so once it clicks in, it'll hold it strong.


    And one more thing I'd like an opinion on, the tailgate.


    Do I swap the metal over to it matches the rest of the tray. Or weld up the seams and leave as is?

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