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V2 Digital Dash Options

aaronc7

Active Member
Been looking into various digital dash options for the V2 Goblin. I will 100% use the oem cluster initially, but thinking down the road, something like this would be neat. And it's also giving me something to tinker around with and stay busy in the meantime.

Sticking with stock ECU, so need something that works with Canbus and almost certainly will require the ability to custom define my own stuff... because from what I can tell, almost all of the current offerings have support for the common aftermarket ECUs (haltech, holley, megasquirt, aem, etc.) and more common OEM ECUs such as GM stuff. Not a big enough market for MK7 VW stuff, got it.

The other 'issue' is that most of these are $1500-$2000+. I see something like the Ecumasters ADU... which offers generic Canbus support, ability to import/convert DBC etc., which is awesome, but it's also $2k. A lot of these allow easy integration into whatever race system ecosystem, which again is cool, but not really something I want or need.

PowerTune Digital Dash looks like a decent option and the price is a lot more reasonable. It does support OEM ECUs, but it looks like its all baked into the firmware. I emailed the guy about option of adding my own stuff. If this is possible then I may explore this one and I think has a good potential. If not, then that is a show stopper. I'm more than happy to put in the work to get it up and running. Also appears to be sold at Summit Racing etc.

I ran across a video about a guy who is using TS Dash (tuner studio/efi analytics product), that runs on a Raspberry Pi, and he made an arduino that actually connects to the ECU, and then converts the CAN signals into something to simulator a speeduino, which then TS Dash can work with (TS dash can only work with supported ECUs). Neat project, but don't love the idea of this in between board to simulate some other ECU.

Right now I'm playing with RealDash, it has Android tablet app version, or in my case I have it running on a Raspberry Pi 4... I already had one setup with a CANhat, and since it also supports SocketCAN and pretty much just worked as is. Up and running a test setup with a bench ECU and computer monitor right now, but it runs super smooth at 1440p, so it should be no problem on some lower res screen. The bench ECU just spits out garbage data, but it is polling the correct data. Ordered a 7" touchscreen and powertrain CAN harness so I can test this out on a fully functional car next week as a proof of concept.

Biggest gripes/downsides are just raspberry pi things.... it takes 20-25 seconds to boot up (SSD would fix this), and you will want to properly shut it down before power is pulled. All possible I suppose but also complicates it for a car application.

I'll follow up with how things go with RealDash and if the PowerTune ends up being a potential option.

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Looks like PowerTune is option is out... not possible to define your own inputs and doesn't like like they are interested in adding support for VW MK7.

Looks like RealDash is main solution for now. Ordered a cheap USB to CAN adapter so I can play around with it on my Fire HD 8 for a little compare/contrast to the Pi4 solution.

I'll play around with lightweight OS option for both to speed up boot and I need to do more research into what can be done for auto shutoff when power is removed etc.

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Looking at the prototype, the dash will be aftermarket digital, unless you are looking for something different

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I assumed the dash will be a bit of build your own adventure? Especially for guys who want to keep immobilizer stuff in tact, gonna want that stock dash. I poked around the internets and not sure which dash that is.... looks a lot like ebay special generic one with analog inputs, maybe that's what they did just to get it up and running, I'm not sure.
 
Not sure. Don’t quote me on it, but I believe the real dash (instrument cluster) is hidden under the “hood”, because it has to be hooked up for all the systems to work. They may have eliminated it with a stand alone harness/ecu, but I don’t know their final call.
 
Continued to mess around with this some. I tapped into the powertrain CAN on my S3 and got RealDash working on a Fire HD tablet with a USB to CAN adapter.

They sell "android auto/carplay screens", which it seems some of the newer ones actually run full-up android and come with google play store etc., so that kind of presents an interesting option. Like a tablet but mostly solves the auto on/off with car power, a lot faster boot (lighter OS?) etc. But, still kind of skeptical using it for actual gauges and think it wouldn't be as fast or reliable as I'd like compared to stock cluster or some legit $$ aftermarket one.

I'll probably still pick up one of those android "screens" once I have the frame and see if I can't find a decent place to perm mount it, at least for secondary gauges, logging etc.

Link

@Adam, the dash/gauge cluster in that picture above... what is it? Ebay special was the closest thing I could find in terms of looks. Does it pull in Canbus signals or more traditional signals tapping into sensors directly?
 
I got a little more info about the dash they used on their prototype unit above: https://sincotech.store/collections...-multifuntional-obd-ii-racing-dashboard-do903

Unfortunately it's bluetooth OBD dongle based, which I don't think is great due to wireless connection reliability, speed and can't use any other OBD devices at the same time.

My two leading contenders right now is a portable "android screen" such as this, running RealDash app. Solves most of the 12V auto power on/shutoff issues, but the OS is still designed for misc apps or android auto etc. Possibly with root access you could slim it down, have it autoboot into RealDash, etc.


Other is ESP32 based device/screen for gauges. This would be a lot more DIY, but potentially a nice option for just some pure gauges, should boot up in about a second, etc. Looks like this dev board has CAN already built in which is nice too. In theory just switched 12V to power it, and 2 CAN wires, so very clean from a hardware standpoint.


This guy is kinda going thru the same thing on his project car and has some useful info/ideas:
 
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Im planning to do a digital dash and I ran into a company that built exactly what i was looking for. Its super flexible and can add whatever sensor you want to run. I haven't opened the box of everything I ordered snice im not tackling that project yet. I want with the Pidash option.

 
Im planning to do a digital dash and I ran into a company that built exactly what i was looking for. Its super flexible and can add whatever sensor you want to run. I haven't opened the box of everything I ordered snice im not tackling that project yet. I want with the Pidash option.

I looked into those, it looks like PiDash simply runs the Tuner Studio gauge software? I looked into that, but it seemed like that software only supported a few specific aftermarket ECUs and their CANBUS format. Great if you're running one of those ECUs, otherwise you gotta use an Arduino or something to convert the various signals or other CAN signals into another format.

A friend is working on another option right now. Still a work in progress but only $50 invested so far. ESP32 based dev board with screen.

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I looked into those, it looks like PiDash simply runs the Tuner Studio gauge software? I looked into that, but it seemed like that software only supported a few specific aftermarket ECUs and their CANBUS format. Great if you're running one of those ECUs, otherwise you gotta use an Arduino or something to convert the various signals or other CAN signals into another format.

A friend is working on another option right now. Still a work in progress but only $50 invested so far. ESP32 based dev board with screen.

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It can read certain parameters off if the OBDII. I will be running extra sensors that OEM doesn't have so it will hopefully work out. I could not find nothing close to what I was imagining and OneGauge checked the most boxes out of alot of companies I called and researched.
 
I looked into those, it looks like PiDash simply runs the Tuner Studio gauge software? I looked into that, but it seemed like that software only supported a few specific aftermarket ECUs and their CANBUS format. Great if you're running one of those ECUs, otherwise you gotta use an Arduino or something to convert the various signals or other CAN signals into another format.

A friend is working on another option right now. Still a work in progress but only $50 invested so far. ESP32 based dev board with screen.

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Is it the mutual "friend" we talked about? I might have to send him a message if he's finally doing something...
 
OK think it's pretty close to where i want it. Probably do something a less busy for the boost eventually. Inspired by my S3 digital dash.

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