+1 on this. I already made a OBDII breakout cable that waits on my desk to try CAN support out 😄

+1

Hey guys any news regarding support for CAN ?

I am trying now to connect my Webasto Heater using Espruino and i am not sure how to deal with it.

I have a diagnostics cable for Webasto with their software which connects pretty well but i would like to read data and send data using Espruino.

I have found out that i need MCP2515 in order to connect Espruino with CAN line but i need to order it to check it out.
I have check also one discussion from before 9 years found in Espruino forum http://forum.espruino.com/conversations/223/

I really don't know from where to start actually and how i can read out data from the heater itself.

I didn't find also anything related with CAN, K-Line, W-Bus, K-Bus inside the espruino documentation.

Any guidance onto this topic and how to do it ?

I have a few Espruino Pico, ESP32 and ESP8266 boards and mostly i am using ESP32 with espruino to start my projects.
I understand also that ESP32 has some CAN bus integrated or i misunderstood something ?

Thanks in advance!

Best regards,
Kristiyan Tachev

@gfwilliams

Hi - I'm afraid there's no real progress on this. I believe CAN itself is quite chip-specific.

However, did you consider using an ELM323/ELM327/etc module? The kind of thing that you use to stick on your car's OBD port. They're cheap and they have all the isolation you need on them already. You can just talk to them by what I believe are AT commands over a UART connection so it should all be really straightforward