Arduino powered display

MordeKyle · Jan 10, 2015

I'm going to be working on a Sim display (F1 style) for the budget minded Sim racer. I'm going to use the arduino (possibly uno) to power the display. If anyone wants to throw some knowledge or past experiences my way, I'd be happy to take the help.

This will be a 100% open source project. I look forward to posting my progress here.

Scroll thought the posts to see update.

MordeKyle · Feb 12, 2015

eSEA One said:
What's the price on printing the board?
BTW I am sure you have seen this for a alternative
http://www.assettocorsa.net/forum/i...2-1-3-for-ac-v1-0-rewrite-auto-updater.14172/
Bur the drawback from this one is it doesn't have the bigger display for the gears!

OSH Park wants around $80 (not sure if that includes shipping) to print 3 of them. And ya, I have seen that, thanks for the link.

MordeKyle · Feb 13, 2015

Just made version 3 of the circuit board and sent it off to have it printed. Hope to have it in the coming weeks.

MordeKyle · Feb 25, 2015

Ok guys, made some major progress with this project. Have a look here:

MordeKyle · Mar 23, 2015

I kinda forgot to post this, but here is current lap time and lap delta working. Also, the project is on the circuit boards I had printed.

Augusto Dufloth · Apr 5, 2015

So when you finish this DIY project, will you post it here?

I want a display just like that: LEDs, gear and deltas.

Keep up the good work!

RichardHessels · Apr 13, 2015

Looks very promising. Will keep an eye on this thread.

Cmavridis · Apr 25, 2015

This is very nice work

Can you please share how you calculate the delta time? I couldn't find it in the shared memory api.

Augusto Dufloth · Apr 28, 2015

deltaTime is in UpdateTelemetry
info.mDeltaTime

I'm building my own sli display too. I was just able to transmit to the arduino the shift position. Also, I'll cycle the different LCD modes through the Horn hotkey. i.e. "I wan't to see delta Time. Now I want to see lap time." Just press the horn hotkey and it changes. It works.

edit:
But, differently from mordekyle, I didn't bought the adafruit package. I'm building on my own.

I'll upload a video soon.

MordeKyle · Apr 28, 2015

I'm not using any api, I've written code from scratch. I'm calculating the delta time in a c# application that's running on the PC and sending the data to the arduino.

Cmavridis · Apr 28, 2015

the UpdateTelemetry info.mDeltaTime is not on the shared memory right?

@MordeKyle yeah thats what i am doing also on C# pc app, i just couldn't figure out a good calculation using distances and times... would you please share that part maybe?

(by the way i lost my source code and i have to redo it............ no recovery)

MordeKyle · Apr 28, 2015

Ya, I'd be happy to help, what sim/game are you trying to get the data from?

Augusto Dufloth · Apr 29, 2015

Sorry cmavridis, this info.mDeltaTime is in the rfactor dll.

rfactor made it a lot easier to send telemetry info to the arduino.

MordeKyle · May 18, 2015

So just to give an update, as it has been a while, I'm trying to get this project simplified by using some of the software that exists out there already. It would be great to get Slimax or Fanaleds to allow use of serial connections. I'm working on trying to make this possible.

cisco21 · May 29, 2015

Just share 2 videos on my work on 2 prototypes, I will share when all will be ready.

It will be available for rFactor, rFactor2, F1 Codemasters Series, Project CARS and Assetto Corsa.
It will work with my existing application rfDisplay.
http://cisco21.free.fr

F1 Layout

cisco21 · May 29, 2015

GT Layout

Mochi · May 29, 2015

Let us know when you the the build thread ready for us! Looking forward for it!

could you share us the arduino code you have so far. How do you get the data out from AC to Arduino?

MordeKyle · Jun 5, 2015

Mochi said:
Let us know when you the the build thread ready for us! Looking forward for it!

could you share us the arduino code you have so far. How do you get the data out from AC to Arduino?

I can't really share the code right now, as it won't really be relevant. Most of the work is being done in a C# application I wrote to pull the data out of the game. I am trying to talk to fanaleds into supporting this project, but they have not responded to my emails. I still need to find a way to simplify sending the data to the arduino, and fanaleds or slimax would be a great tool for this. Any ideas?

Augusto Dufloth · Jun 5, 2015

I haven't tried other sims, but with rfactor 1 it's been straightforward.

In the DLL, I concatenate what I want into a string and push it through the opened serial port. The arduino code just unwraps the concatenated string and set the leds accordingly. Of course rfactor is helping with this dll support. Don't know about AC, PCars, etc...

MordeKyle · Jun 7, 2015

Augusto Dufloth said:
I haven't tried other sims, but with rfactor 1 it's been straightforward.

In the DLL, I concatenate what I want into a string and push it through the opened serial port. The arduino code just unwraps the concatenated string and set the leds accordingly. Of course rfactor is helping with this dll support. Don't know about AC, PCars, etc...

So far, I've just been working with the Codemasters out point. They use a local UDP server to send the data out. It's quite the pain to be honest. They send all the raw data out in one gigantic string. Each piece of data is 4 bits of this giant string. I had to assign each as a float and figure out what piece of data each 4 bits was. Then I was able to do what I needed to the data and send it out over serial to the arduino. Then the arduino decides what bit of data it is getting, and displays it accordingly. It's a bit of a nightmare.

I'm really interested in trying to work on the Pcars telemetry. I have yet to figure out how it is exported, though I do know that it is. The problem is... Most likely each Sim would require a different arduino sketch, I find this to be a problem. That's where slimax or Fanaleds would come in. They already pull the data from all of these Sims, and they could export them in a standardized format, allowing anyone to program their arduino to pull the data and determine what it is.

Anyone know anyone at slimax or Fanaleds? I would appreciate the help.

MordeKyle · Jun 21, 2015

Ok everyone, I've got some good news. So the reason I have not shared my code is because the way I was sending the data to the arduino was kind of "proprietary" in a sense. I found a bit if software that sends data to a serial connection for pCars, and after talking at length with its creator, I've got what I need to get this thing up and running well. So stay tuned. I am going to completely rework the code for the arduino and the code for the Codemasters games and will start to open source this project completely. Then I can start working on other games like rfactor.