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OBDII: CAN Motoring With The ELM327 Is Less Than Ideal

  Рет қаралды 940

Roudter

Roudter

Жыл бұрын

I wanted to add a new type of user pid to my main application - a 'monitor' pid. But I'm having a lot of problems with that on the ELM327 platform.
CAN App Download Page:
www.thoughtpill.com/canmobile...
...and, My other 'standard' OBDII app
On Google Play - Ads version, where positive ratings are much appreciated
play.google.com/store/apps/de...
On Google Play - Full Version, also, where positive ratings are much appreciated
play.google.com/store/apps/de...

Пікірлер: 8
@omfg1337real
@omfg1337real Жыл бұрын
Would be interesting to see if you were able to sniff out what bits were send/received from kess or auto-tuner when it reads and download the ecu into a file. Would be awesome to see a video avout that :)
@LorenzoNava99
@LorenzoNava99 Жыл бұрын
Hey man! Many thanks for your videos, you helped me a lot! 🚀🚀🚀 For monitoring all the messages in the bus, did you send an AT MA command to the ELM327? Man, did you try to increase the Baud Rate to 500 K? The buffer should clear out faster. Also, try turning off spaces and Linefeeds (AT SO, AT LO). The documentation says that the buffer usually doesn't go FULL even in very busy busses with this configuration (I presume very busy busses are newer cars, maybe hybrid, with the engine turned on). You could also create a sniff mode, with an option where you scan only unknown IDs (you can do this by filtering), for example you could exclude all OBD's standard IDs, as all these IDs you already know what they do, and let space for more interesting IDs for reverse engineering. Thanks again. 🙏🏽
@Roudter
@Roudter Жыл бұрын
Great suggestions, thanks. Did all that, but the baud rate thing. I'll try it.
@joaobarros9139
@joaobarros9139 4 ай бұрын
hi,Could you make a video on how to adapt and connect the mcp2515 to the raspberry?thanks
@Roudter
@Roudter 4 ай бұрын
Ill look into doing that... thanks.
@jayl6030
@jayl6030 5 ай бұрын
Hey what’s going on brother is there a way to contact you .. have a few questions
@grimm_gen
@grimm_gen Жыл бұрын
I tested the app with an ELM327 v2.2 device and I didn't run into any buffer issues! But i have alot of connection issues with it. I recently found out that the app Real Dash also has a can monitor built it but no matter what I try it won't work with my dongle, it says that the recommanded one is the OBDLink MX+, which is quite expensive imo
@Roudter
@Roudter Жыл бұрын
You have connection issues with my app? I don't give this thing the time it deserves, but I don't like to hear that. Sometimes, if you set the protocol explicitly, it will work better. The auto protocol requires a bit of back and forth to settle. Also, I think version 2.2 may have some other settings pertaining to the monitor. I will check. I'd appreciate any other details. Thanks!
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