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Old 01-29-2021, 09:37 AM   #15
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Made a lateral move for a while to develop a strictly CAN/OBD reader. As I started to do the coding to support all of the PIDs I found on WIKI I maxed out the memory of the Arduino MEGA I’ve been using. Still proceeding I will just have to cut back on my expectations to only handle some PIDs just not all of them. If anyone has Sprinter superficial PIDs or DTCs shoot me a message. I’m interested in supporting as many Sprinter specific PIDs as possible. Logging to SD card works pretty well I just have not processed the raw data to get meaningful values yet. I can read in the DTC list I have (not Sprinter specific) and should be able to compare to any the vehicle throws. More fun to follow as I work it out.
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Old 01-29-2021, 10:59 AM   #16
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I don't have any experience with CAN or OBD-II programming but you may want to look at transitioning this to a raspberry pi. Arduino is a neat piece of kit but you're already running into their limitations.
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Old 01-29-2021, 06:29 PM   #17
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Quote:
Originally Posted by Fffrank View Post
I don't have any experience with CAN or OBD-II programming but you may want to look at transitioning this to a raspberry pi. Arduino is a neat piece of kit but you're already running into their limitations.
Agreed. Pi4 4gig.
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Old 04-14-2021, 07:03 PM   #18
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Finally got version 1.0 of my alternative F53 dash display done. Well, darn near done. One more thing to look into, but overall it's working well.

First pic is a closeup of the display. The one remaining issue is that Tow/Haul should say off. It was working, not sure why it isn't here. Will have to figure it out.

No, the temp was not 480 degrees. It was 48. The extra 0 was a startup artifact that has since been corrected. And the engine is idling and the display is off by one. There should be 2 ticks lit up. That's been fixed as well.

The display is pretty self-explanatory. It reproduces almost everything on the F53's dash except for the Oil Pressure gauge which isn't available via the OBD2 port. I'm really pleased with the Gear display. In this case, the shift lever is in "D" and the tranny is in 1st gear. I really wanted to know exactly what gear it's actually in, regardless of what the lever says. I've also found that the lever pointer rides between some of the numbers on the display - no confusion with the new version!

As seen in the second picture it's nice and bright and easy to see. Plus, I don't have to take my eyes off the road to read it.

Technology is a Teensy 4.0 microcontroller (Arduino clone), breakout board to make it easy to wire everything up, and a 3.2" TFT LCD. Programming is all my own. The research and hacking to find the necessary PIDs (these are all based on "secret" Ford mode 22 PIDS) took about 40 hours.

I'm quite pleased with it, and looking forward to getting out on the road to see how it performs.

Version 2 is in the planning stages. The first step is more investigation/hacking to get more codes, especially those related to the Cruise Control. I want to be able to see when the CC is on, engaged, and what the set point is. I'll also add trip computer functions. And, to see everything I plan to move up to a 5" or 7" display.

Regards,

Randy
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