[Ovmsdev] Introduction to OVMS DMQ

[Michael Balzer]

David,

the OVMS is widely used by normal end users, these all buy the standard 
hardware, and so do most of us.

Mark Webb-Johnson, the creator of the original design, takes care of 
producing OVMS modules in Hong Kong. These can be bought from the 
distributors linked here:
https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3?tab=readme-ov-file#links

There's now also, thanks to the work of Christian Zeitnitz, an 
alternative for developers in using the Lilygo T-Call series:
https://github.com/zbchristian/OVMS-Lilygo-based-Module

The Lilygo based modules are less capable and don't have an FCC/CE 
approval, but include everything necessary to actually be used in a vehicle.

To just run the software, mostly any ESP32 WROVER development board will 
do. You'll need to reconfigure the build to exclude all OVMS hardware 
extensions, and of course you won't be able to just connect the board to 
a car, as the transceivers are missing, but you can take first steps in 
learning how the system works. You can simulate receiving CAN frames 
through the "can … rx" command.

Regards,
Michael


Am 14.10.25 um 22:54 schrieb david muñoz quiroz via OvmsDev:
> Hi Michael,
>
> Thanks for the welcome, I have actually done my reading homework 
> already and I can say that is was very well conducted, as long as an 
> engineer reads them we are safe haha, I will take an advantage and ask 
> how can I get a device to put hands on it and start doing flashing and 
> using it to get confident on it,
>
> Can you help me about how everyone else has been building his own 
> devices or who can help me in this start-up process?
>
> Best regards,
>
> David M.
> ------------------------------------------------------------------------
> *From:* OvmsDev <ovmsdev-bounces at lists.openvehicles.com> on behalf of 
> Michael Balzer via OvmsDev <ovmsdev at lists.openvehicles.com>
> *Sent:* Tuesday, October 14, 2025 16:46
> *To:* ovmsdev at lists.openvehicles.com <ovmsdev at lists.openvehicles.com>
> *Cc:* Michael Balzer <dexter at expeedo.de>
> *Subject:* Re: [Ovmsdev] Introduction to OVMS DMQ
> Welcome, David :-)
>
> Don't hesitate to ask when you encounter questions, documentation is 
> -- as usual ;-) -- far from optimal, even for central framework 
> concepts. But the code is pretty clear and readable.
>
> Contributions are of course welcome on all levels.
>
> Kind regards,
> Michael
>
>
> Am 14.10.25 um 13:43 schrieb david muñoz quiroz via OvmsDev:
>> Hi everyone,
>>
>> My name is David Muñoz Quiroz, I would like to be part of this 
>> incredible group and help with the creation of OVMS project(s), I am 
>> currently Senior Software Architect in Joyson Safety Systems 
>> (Automotive industry), it has become to my attention be part of 
>> something bigger than my current organization and I was starting to 
>> create my own module to learn and have fun with my vehicles when I 
>> realized about this incredible open source project, I feel myself 
>> identified with this group and I hope I can be accepted and I can 
>> contribute with some of my knowledge and absolutely learn from each 
>> other,
>>
>> Best regards,
>>
>> David Munoz
>>
>
> -- 
> Michael Balzer * Am Rahmen 5 * D-58313 Herdecke
> Fon 02330 9104094 * Handy 0176 20698926
>
>
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> OvmsDev at lists.openvehicles.com
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-- 
Michael Balzer * Am Rahmen 5 * D-58313 Herdecke
Fon 02330 9104094 * Handy 0176 20698926


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