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  1. #221
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    Dangerous Dave's Avatar
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    Nice R&D

    You need a neater all in one solution for your temp gauges, wouldn't be hard to connect all the sensors to an arduino clone (cheaper) and display them on a small screen.
    1996 Olive Green 850 AWD - Forged rods, VXR injectors, 19T, Ostrich 2.0, cold air con. Follow the project here
    1996 Nautic Blue 850 AWD - The daily, resisting the urge to modify

  2. #222
    Whiny Old Git
    Aching bones :(
    claymore's Avatar
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    sounds like you're talking yourself into a job
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  4. #223
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    As it happens I do have some spare arduino boards and an lcd lying around. What voltages do the sensors work on, or have you got a link to a datasheet?
    1996 Olive Green 850 AWD - Forged rods, VXR injectors, 19T, Ostrich 2.0, cold air con. Follow the project here
    1996 Nautic Blue 850 AWD - The daily, resisting the urge to modify

  5. #224
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    claymore's Avatar
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    Quote Originally Posted by Dangerous Dave View Post
    As it happens I do have some spare arduino boards and an lcd lying around. What voltages do the sensors work on, or have you got a link to a datasheet?
    It would be just as easy to just get 4 suitable 5v thermistors, how big is the lcd? Also, I might need to have a chat about making a 7" display for the T-10.
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  6. #225
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    Dangerous Dave's Avatar
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    Yes that would save any messing with converting voltages.

    The lcd is only 2.4 inches same as my data display project (ignore how slow the refresh is, I have a faster processor on it now, just need to do another video):



    A 7" display might need a different arduino (more connections) to run but it's not impossible to do. Other ways to do it are to use an arduino to process the signals from the sensors and output the data to a raspberry pi to do the data display stuff as the pi has video outputs.
    1996 Olive Green 850 AWD - Forged rods, VXR injectors, 19T, Ostrich 2.0, cold air con. Follow the project here
    1996 Nautic Blue 850 AWD - The daily, resisting the urge to modify

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    claymore (Saturday 1st April 2017)

  8. #226
    Whiny Old Git
    Aching bones :(
    claymore's Avatar
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    I've just bought a starter kit and a pack of assorted sensors to have a play with, more for front splitter and rear wing control, I think it's time I made some sort of effort to learn this stuff, but would love for you to make me some sort of display for the temp sensors.
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  9. #227
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    Dangerous Dave's Avatar
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    Cool, if you check out banggood.com they have loads of arduino prototyping boards and the like cheaper than you can get them here in the uk, they're good for playing with. I have a test board setup on a bit of perspex with a breadboard stuck next to it for mocking things up and testing code. It's only basic but it does what I need it to.

    Would the 2.4 inch screen be ok for your temps gauge?
    1996 Olive Green 850 AWD - Forged rods, VXR injectors, 19T, Ostrich 2.0, cold air con. Follow the project here
    1996 Nautic Blue 850 AWD - The daily, resisting the urge to modify

  10. #228
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    claymore's Avatar
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    Quote Originally Posted by Dangerous Dave View Post
    Cool, if you check out banggood.com they have loads of arduino prototyping boards and the like cheaper than you can get them here in the uk, they're good for playing with. I have a test board setup on a bit of perspex with a breadboard stuck next to it for mocking things up and testing code. It's only basic but it does what I need it to.

    Would the 2.4 inch screen be ok for your temps gauge?
    2.4" screen would fit in the air vent quite nicely, perhaps 4 bar graphs instead of numbers as a quick visual display?

    Just been looking at the nextion displays, absolutely perfect for the T-10 dashboard, either one big 7" screen or maybe two 3.5" screens to display each engine and a small 2.4" for the speedo
    Last edited by claymore; Saturday 1st April 2017 at 13:42.
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  11. #229
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    Did some quick code for the temperature display. And since it was raining I thought I'd fit it in the vent so you can get an idea of what it would be like (colours are a bit washed out in the pic but are really nice in reality)



    Drivers eye view



    I like the nextion stuff, too expensive for me though. Plus I like the challenge of making it myself.

    I've got some spare clocks and was looking the other day at how I could fit an lcd into them
    Last edited by Dangerous Dave; Saturday 1st April 2017 at 14:52.
    1996 Olive Green 850 AWD - Forged rods, VXR injectors, 19T, Ostrich 2.0, cold air con. Follow the project here
    1996 Nautic Blue 850 AWD - The daily, resisting the urge to modify

  12. #230
    Whiny Old Git
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    claymore's Avatar
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    that looks fantastic
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    Dangerous Dave (Sunday 2nd April 2017)

  14. #231
    Gearbox Killer
    aiming for the 13's again...
    MoleT-5R's Avatar
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    I with Colin on that, your really getting the hang of this dash stuff

    Current Volvo's 1995 854 Gul T-5R 1996 855 Olive T-5R 1997 855 Olive AWD 1999 V70R AWD and 2005 XC90 D5 AWD
    Previous Volvo's 1987 745 gle 1989 745 GL 1995 855 Olive GLE 2001 V70 p2
    My Ebay Items http://www.ebay.co.uk/sch/moleadrian...p2047675.l2562

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    Dangerous Dave (Sunday 2nd April 2017)

  16. #232
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    They do look ok but still missing that wow factor, they're functional enough at the moment.

    I had to upgrade to a different processor for my display as it has to deal with all the converting of the streamed data from the ecu (some 40 odd variables) and some of those include division which eats processing power. I'm trying to get a video of it working but Mrs Dave has trouble keeping the camera still when I'm driving.

    Anyway, I digress....
    1996 Olive Green 850 AWD - Forged rods, VXR injectors, 19T, Ostrich 2.0, cold air con. Follow the project here
    1996 Nautic Blue 850 AWD - The daily, resisting the urge to modify

  17. #233
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    claymore's Avatar
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    Now starts the slippery slope into the unknown.

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  19. #234
    Gearbox Killer
    aiming for the 13's again...
    MoleT-5R's Avatar
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    You'll master it, I'm sure of that....

    Current Volvo's 1995 854 Gul T-5R 1996 855 Olive T-5R 1997 855 Olive AWD 1999 V70R AWD and 2005 XC90 D5 AWD
    Previous Volvo's 1987 745 gle 1989 745 GL 1995 855 Olive GLE 2001 V70 p2
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  21. #235
    Whiny Old Git
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    small update on my temp monitoring, airbox temp definitely has no effect on intake temps, BUT engine bay temps really do, on the open road with ambient at 15 degrees, the intake temp will be around 20 degrees, (with engine bay temp at around 20 degrees) In traffic the bay temps can climb over 60 degrees and the air going into the charge cooler can climb from 30 to 40 degrees and intake temps will rise to 25 degrees. once on the open road the temps come down again.
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  22. #236
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    Quote Originally Posted by claymore View Post
    Now starts the slippery slope into the unknown.
    The best bit is when you look at the wifi module and think 'hmmmm, remote start from my phone.......'
    1996 Olive Green 850 AWD - Forged rods, VXR injectors, 19T, Ostrich 2.0, cold air con. Follow the project here
    1996 Nautic Blue 850 AWD - The daily, resisting the urge to modify

  23. #237
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    a 19t just isn't laggy enough
    p fandango's Avatar
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    Quote Originally Posted by Dangerous Dave View Post
    The best bit is when you look at the wifi module and think 'hmmmm, remote start from my phone.......'
    if you do, please remember to put safety overrides into the system. Mate had the keyfob start on his VW van, didn't fit the switch to stop it from starting if it was left in gear. Did exactly that, started in gear & being a diesel had the torque to actually start the engine. He jumped in front to try & stop it, ended up with a titanium bar in his leg after being crushed between the van & a house

  24. #238
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    Quote Originally Posted by p fandango View Post
    if you do, please remember to put safety overrides into the system. Mate had the keyfob start on his VW van, didn't fit the switch to stop it from starting if it was left in gear. Did exactly that, started in gear & being a diesel had the torque to actually start the engine. He jumped in front to try & stop it, ended up with a titanium bar in his leg after being crushed between the van & a house
    Hmm not good.

    Yeah would probably put a couple of switches on the gear lever mech.
    1996 Olive Green 850 AWD - Forged rods, VXR injectors, 19T, Ostrich 2.0, cold air con. Follow the project here
    1996 Nautic Blue 850 AWD - The daily, resisting the urge to modify

  25. #239
    Whiny Old Git
    Aching bones :(
    claymore's Avatar
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    Small update on the T-5R, time for a wheel change,

    But which one to choose?




    I've decided to have the flat bottom one on the T-5R and the Alcantara on the T-10



    Still waiting for some Volvo badges to replace the Jaguar ones and I've started on a mold to make some carbon fiber centers for both wheels.


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  27. #240
    Whiny Old Git
    Aching bones :(
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    Switch panels removed.

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