Cheers bud.

Im so glad I have helped, good luck with the project...

@Dave Lovell if you acheived anything in your project, could you please share it with us?

@@ezzaldeena.alribi8603 I haven't yet, but I'm planning on having it completed before the end of December 2021. I'll probably post some stuff on github and or instructables when I'm done, and I'll try to link it here. I might forget to put it here though so, comment on this thread if a few months go by and nothing happens

@@davelovell8631 Pinging you. :) I, too, find this stuff fascinating. Who knew learning Unix decades ago would find its way into cars and handhelds?

These are all very true points! Cheers

Wow, thanks!

Wow, thank you!

If you send the right CanBus command, it will switch the wheel to the other side. That is how they make cars for both sides of the road ;o)

@@SouthWestEVUK Wouldn't that be the left command? Here in the southern hemisphere it's recommended to drain a bathtub of water in the car first and check the direction the water spirals down the plug hole, a drain pipe to the outside of the car is of course likewise, recommended.

I wonder how you’d reach the pedals if the steering wheel was on the other side ...

@@lawrencedoliveiro9104 under rated comment

..its actualy on right side... :p

Never ending project lol!

Hay - It is worth contacting Hobbytronics - they used to sell 1's but moved warehouses and thats when they became kit only in 10's. Last time I spoke with them they did me 3 (as I blew one up, oops!) so worth a shout.

@@SouthWestEVUK LOL, I already ordered a separate Arduino Uno and CANBUS shield as soon as I finished watching your video.

Would you know what would need to be changed in the code to run your sketch on a standard Arduino Uno with a CANBUS shield plugged in. I tried it as is but all I get is the following 20:50:05.824 -> Enter setting mode fail 20:50:05.824 -> Can Init Failed 20:50:05.824 -> I will wait here forever...I will wait here forever..I will etc. Thanks

OK I have it working in my Mercedes C220 and here is how I bought a genuine Arduino Uno but any clone should work I bought a CANBUS Shield V1.2 cheap off ebay. I connected the CAN high and CAN low on the shield to a pair of CAN signal wires in the boot of the car. I changed your code to CS10 from CS17 (For the Shield I'm using) and Speed 125Kbs from 500Kbs I used the "CAN_BUS_Shield-master" library from Seeed studio I had several issues before due to not understanding Arduino. I had multiple libraries in the folder causing conflicts and I wasn't using the correct baud rate for my car. Thanks again and good luck with the project.

Yeah, and of course I only video stuff that works ;o)

Glad to be of help

Glad I could be of help.

Good shout James, not thought about that!!! Love you too! x

Glad it was helpful!

Glad it helped bud

Yeah it is, I think I am addicted - I have 14 of them here hahaha

Not a problem, good luck with the project.

Cheers bud!

Hmm, I am not totally sure, but as the latest version is over 3 years old and I wrote this within that timeframe - I would expect the latest version (1.5?)

Glad I could help!

Glad it helped

Glad you liked it!

You can output to a standard output - so if using a PC to compile the code you can output in real time to the console - same on the web interface (arduino.cc).

Glad it helped

So you will need to bridge the canbus output of your ECU with the canbus input of the cluster. With code in the middle to translate what the new ECU is sending into what the cluster wants.

I am guessing the Firewall is on the ODBII port (as that is the common access), If you had the can wires in your hand I cant see a Firewall getting in the way - unless I have got the point wrong I guess!

@@SouthWestEVUKNot sure I follow, but here is some more info on the design I've done at an OEM, as far as I understand this is the common practise as well. the design is usally that you have a controlunit connected directly to the OBD2 port, notging else is connected. the other control units on propulsion CAN is connected to a separate CAN controller in said control unit. With Autosar configuration the only frames recognised are the ones in 1979. So the firewall is by SW design in Autosar.

It is very much trial and error, piece by piece working out what each code does. Start by finding out what all the different ID's you have - log what their data is. Do something in the car (brake, throttle etc), and see which ones change. Its a long process but as you get your head into it and see the same codes over and over, you soon learn whats going on... Good luck!

not a problem, hope it helps!

Yeah, you are right. Data does not have a recipient, It is just broadcast - and if you want what is being said then good - if not, move on! That I guess is more why I like to call it the shouty protocol, even ack's are sent by everything on the bus - shout your command and everyone shout back OK!

Cooll ta.

Ohhh, theres a good question! I guess the reason I bought this board was the fact that it does away with any internal communication issues between the Arduino and CanBus - they are hardwired.

Currently i am sending the charger the right commands to start it charging. Not fully tested but wont be long before i have that nailed

@@SouthWestEVUK great work- keep it going! And consider selling pre-programmed Arduinos and CAN shields??? Would massively help us lot I reckon. Then anyone could take a Leaf and use it as a Donor car for a classic EV build. 👍🏼

Glad to be of help!

Yes all good and valid points.

Yeah I mean noise as in lots of chatter - rather than electrical interference noise ;o) It is all meant to be there.

You are very right!

bah. is all emission bs and some data for the dash board

He's got odb port though. Ol dirty bastard.

Hay, ive got your email cheers.

Gonna be tough, but do-able!

Cool glad it helped, good luck - canbus can suck a lot of time out of you!

It depends on the vehicle, for instance the RX8 sends fuel information as a resistive value (not canbus). The odometer is likely stored by the dashboard in most cars, again you might be able to query it - but unlikely to be able to change it.

I have just looked at what library I used github.com/sandeepmistry/arduino-CAN Try that one?

@@SouthWestEVUK Hi, thanks for the help but I’ve installed that library and it won’t allow me to compile your code as it cannot find the #include or There seems to be a mismatch using that library as it only includes CAN.h and MCP2515.h I have found though that I can successfully compile, upload and run the code if I install the GitHub library from Seeed Technology Inc, all seems good until I plug in to my car and turn the ignition. At this point nothing happens and there’s no response in the serial monitor. Sorry about this, but any ideas what to try next? Is there any way that I can test the response from the car? I've tried two different cars, a volvo and a Mazda and neither are responding. Many thanks. Bob. Oh yes... I've been going over and over your video to check I'm not doing something stupid and have noticed that we each get different responses when we power up the Arduino, Your monitor responds with "Init. Enter setting mode success set rate success!! Enter normal mode success!! OK! Good to go!" whereas on mine I get "CAN Init: Can Init success Good to go!" Are we possibly using different versions of the Arduino code? Thanks again.

So the ESP8266 will give your Arduino (if thats what you are using) Wifi access. This I would imagine will give you a TCP/IP stack to transmit and receive data on. It might give you higher level protocols such as SMB which you could use to save files on a network share. It is not something I have done, but yes all seems plausible to live stream data from the Can Bus to a network share that another device (phone / tablet) is reading.

TheBlackhursts Thanks sir. Appreciate it. If you share your email, i can mail you What is next about my project And we can exchange some ideas.

So I accessed the high speed can in the RX8, and those signals are not on it. I believe there is a low speed can also that has this information on it, and the ability to adjust the radio message display etc...

ahhhhh, true.

You don't, you have to work it out!

Take a look at my notes in the video (text) there is a link to buy this Arduino - comes with all the standard outputs and a canbus shield all in one.

Problem with that is you would need to replicate every sensors output, which would mean recording all the sensors on a working car to figure out if they are voltage based, resistance based, communications based - bit of a headache! Yes you could replicate them all, but just not worth it.

@@SouthWestEVUK ok chess mate.👍

Hay - you might find someone has decoded them online - but the likely hood is that you are going to need to get stuck in and decode these yourself.

Yes just a standard usb cable.

Ive not come across anything no, a wireless device that dumps the communications to a txt file on a local computer would be an awesome device.

Yes absolutely!

How do you tie sensors to the Arduino?

@@harryohanson this is something beyond the scope of this tutorial. Look up rpm arduino to see methods for this. If the motorcycle isn't using can bus, this video isn't really relevant to your needs.

Thank you for your reply!

Hi, so not sure what you mean by highs and lows, but you don't need to go that deep. The can library will handle all hand shaking, CRC, bits and conflicts. You just send the data you want and it will (most of the time) get to where it needs to go. Most CanBus's I have seen like to have repeats of the data, so for instance might want the RPM sent once every 50ms. Hope that helps.

You should use a can-bus adapter to interface with your arduino as the speeds will be too fast to just digitalRead the pins.

I have not needed to look for those as I never had a working engine!

Yes, there are some standards that your tool will be picking up and you are reading. For me, in this project I have replaced the ECU - so send data such as car speed and rpm to the display over the canbus.

You need a canbus aware device - such as the ones in my video and that I link too.

Yes I have almost finished putting it all together to upload...

i mean if im not wrong there more then 30ish stuff we can pull from ?

If the car you are using sends this information out on the canbus then Yes. Take the RX8 - RPM, SPEED are on the canbus, however the gas level is not - that is a resistive value.

So I can clear the fault codes in terms of them not lighting up a dashboard light. But I cannot clear codes on the ECU - well ive not tried to be honest as I dont need to.

yeah looks like the library got updated - email me and ill send the old version.

You would have to find the can high and can low wires and tap into them.

gosh, did anything happen leading up to this fault (replacement parts etc)? my contact details are on my bio page

@@SouthWestEVUK I upgraded the controller from a Lingbo LBMC72352 to an LBMC72502. It uses CANBUS RS485 but won't seem to send speed or gear selection data to the dash, and the ECU is staying in limp as a result. I don't know whether I need a new dash, black box, or BMS, or if I'm just being stupid and missing something obvious. I've seen people like yourself decode CAN and spoof it using an Arduino though, which may potentially be the easiest solution. What do you think? Also I can't find any contact info on your about page of your channel, is that what you mean by the bio? If you can PM me somehow I'll give you my phone number.

I think there are a few things knocking about, but I do like doing things my way ;o)

Will advise on email ;o)

Many many components to this, way too many for a You Tube comment! Good luck :o)

Hi ping me an email and Ill see what I can do Dave

It depends on the car, but most need a physical movement to switch into Drive etc

@@SouthWestEVUK Thank you ~

errr I would suspect the pin out is pretty important.

Cheers hope it helped

You could, but the ECU is going to send all manner of error messages out as the rest of the car is missing!

@@SouthWestEVUK time to get simulating then lol

@@SouthWestEVUK got any resources on how to solder the little bits you get in the mail? I was expecting it to be pre-assembled lol

Many thanks!

Yeah I might do some more videos on it. I am working on a project decoding Merc's at the moment.

@@SouthWestEVUK there's someone on KZfaq who did a video on a Merc using your video as starting point. Ali bro

email me - pretty certain I have the original library here that I can send.

No idea - and yes the speed of the CAN is crucial...

You would have to do two things with your throttle example. 1) stop the original throttle working and 2) make your new hand throttle output the right commands. the throttle itself is unlikely to be programmable, you would need something like an Arduino that you can program with inputs and outputs to the desired results.

Hi Simon - probably best email me, help on the you tube messaging system is tricky!

After an email transaction with www.hobbytronics.co.uk, I got an email instructing me to solder the points on the back of the board for mid to right, for CANH, CANL and GND. However, having done this I still get no communication from the car.

Simon, we have been emailing back and forth, why have you messaged on here again? Stick to emails bud - you need to do a continuity test to verify what pins you need to use, I keep saying that - have you done it?

True true, got a little excited ;o)

Dunno, should do, I have a merc van here that I am happily monitoring the canbus on

Its not really an adapter, it depends on so many things - is the stereo on the can? is the g4x? are those cans linked together? Are they designed to work together?

Hi, The RX8 has two Can Buses - a High Speed and a Low Speed, your right in that I believe the OBDII port only gives access to the High Speed bus, youd need to reference the wiring diagram for the car to see where the physical wires are for the other Bus if you want to access it. The Nissan Leaf has several Buses also.

Hay, what error are you getting?

@@SouthWestEVUK Thanks for the response. If you want the "verbose" log, just let me know. Arduino: 1.8.13 (Windows 7), Board: "Arduino Nano, ATmega328P" C:\Users\Boss\AppData\Local\Temp\arduino_modified_sketch_176171\sketch_jul31a.ino: In function 'void setup()': sketch_jul31a:35:29: error: no matching function for call to 'MCP_CAN::begin(int)' if (CAN0.begin(CAN_500KBPS) == CAN_OK) { ^ In file included from C:\Users\Boss\AppData\Local\Temp\arduino_modified_sketch_176171\sketch_jul31a.ino:2:0: C:\Users\Boss\Documents\Arduino\libraries\MCP_CAN_lib-master/mcp_can.h:108:11: note: candidate: byte MCP_CAN::begin(byte, byte, byte) INT8U begin(INT8U idmodeset, INT8U speedset, INT8U clockset); // Initialize controller parameters ^~~~~ C:\Users\Boss\Documents\Arduino\libraries\MCP_CAN_lib-master/mcp_can.h:108:11: note: candidate expects 3 arguments, 1 provided C:\Users\Boss\AppData\Local\Temp\arduino_modified_sketch_176171\sketch_jul31a.ino: In function 'void loop()': sketch_jul31a:52:10: error: 'class MCP_CAN' has no member named 'readMsgBufID'; did you mean 'readMsgBuf'? CAN0.readMsgBufID(&ID, &len, buf); // Read data ^~~~~~~~~~~~ readMsgBuf Multiple libraries were found for "mcp_can.h" Used: C:\Users\Boss\Documents\Arduino\libraries\MCP_CAN_lib-master Not used: C:\Users\Boss\Documents\Arduino\libraries\CAN_BUS_Shield-master exit status 1 no matching function for call to 'MCP_CAN::begin(int)' This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.

going from the bottom, up: You have multiple MCP libraries on your machine that the arduino IDE can find, so it's sorta confused. To try and be helpful, it just picked one for you... Later up it says "Hey, there is this CAN0 object that doesn't have a method called 'readMsgBufID'". This means that the library you're using doesn't know what this method is, or what it does (it can't find a definition for it) Above that issue, it goes on to say "This CAN0 object created from this library doesn't have the same method that you're calling in your code... You have one really close called "begin," but it's just different enough that I can't do anything with it" long-story-short--and without actually checking--I would think the wrong library is being used

Ran the car at an RPM, looked at the canbus data - worked it out!

Is that not what this video does?

@@SouthWestEVUK He thinks that there is more than one canbus. Like having one canbus for Mercedes and then another type for Audi. I can imagine he got this idea after shopping obd2 plugs. The ready made ones already have bluetooth and are made with an ELM328 chip, there are android apps that interpret them directly and graph them in a gui. However the plugs work with most cars but not with all of them. That is why he thinks your can bus video is manufacturer specific. However you are collecting data and interpreting them custom to your car. I don't think the commenter wants to do that. He asks about a ready made device that just works with his android stereo device.

Yeah, I actually averaged them out, gets close enough for my means

I would imagine so, if it has a Can Bud to attach to!

There is a long post about can bus sheild connected with arduino uno board and connecting to the cars obd2 socket 2 pins only for connection with the nac head unit here is the link www.forum-peugeot.com/Forum/threads/tuto-t%C3%A9l%C3%A9codage-et-calibration-dun-nac-rcc-cirocco-sans-diagbox-via-arduino.121767/

Yes all very true ;o)

yeah, or a small database to reference things properly.

Gosh, I guess if the elevator has a canbus I do not see why not.

@@SouthWestEVUK So can you help me about how to sync with elevator canbus or properly setup a system for that using arduino. That would be very helpfull

sure!

Hi bud, they are standard libraries - if you use the web ardunio.cc studio they are built in.

Not directly, I believe it is on the slow speed canbus, there are people online who have information, search away!

@@SouthWestEVUK yeah, I have a Mazda 3, and it seems to be using the same display, but I've removed the stock radio and lost its features

@@Henningberge the Metra stereo install kit for RX-8 contains an electronics module that controls the LCD in that application. The dash kit seems ridiculously expensive until you realize it contains that module as well as another one that interfaces the stock steering wheel controls with an aftermarket stereo. Maybe you can use that control module in your 3.

Errr english?

yeah too much database development means I get odb and obd round the wrong way, and errrr, thats just the way I talk ;o)

No worries, cheers

All instruction manuals laid invalid by one comment, mind blown!

Well at least you know what I am talking about - so cant be that bad ;o)

you could add a wifi adapter to the arduino, then write some code to dump it to a csv that excel could open yeah.

You don't really 'program a can bus' you communicate on it. There are tonnes of references out there - or use my code.

@@SouthWestEVUK from where I will get your code?

And also how to read it please also tell me

Hi, if you have got as far as reading the Bus - then sending is dead easy, take a look at some of the code I have written to control the Dashboard in the Mazda on Github. github.com/DaveBlackH/MazdaRX8Arduino

Depends on the car but in theory yes

I think it differs car to car, the RX8 I dont recall seeing a VIN number but a Nissan Leaf I have. I very very much doubt you can change the VIN over CanBus,

The EPROM would have to be read of the module and then, edited with the VIN. Then flashed back to the EPROM. They call it "Firmware VIN editing". Some manufacturers code the VIN to various modules, which is so annoying if you want to replace a faulty module with a used one from another car. The manufacturers call it "component protection".

No sorry, all differ.