As part of our business strategy of providing prototyping solutions for the CAN Bus (including SAE J1939, ISOBUS, NMEA 2000) we have decided to focus more on the Arduino platform, specifically the Arduino Due. The Due, while providing the power of an ARM Cortex M3 processor, comes with two CAN Bus ports per default, however, lacking the necessary CAN Bus transceivers.
For that reason, we had introduced our jCOM.CAN.DUE board, a Dual CAN Bus Interface For Arduino Due With Extended Power Range. In order to more efficiently serve automotive and industrial applications, the jCOM.CAN.DUE-X board supports an extended input power range of 7 to 36 VDC to power the entire system, i.e. including the Arduino Due itself.
As part of a new project, we will offer an integrated Arduino-Due-based board with Dual CAN Bus interface. In this case, we will abandon the standard Arduino system of stacking additional boards (shields) to extend functionality. While this system provides maximum flexibility, it grows cumbersome and bulky very quickly, not to mention the costs that will add up easily to those of industrial-strength embedded systems.
For that purpose, we are in the process of creating a baseboard to accommodate our DUE CORE, an Arduino Compatible SAM3X8E 32bit ARM Cortex M3 Module, plus the jCOM.CAN.DUE board. The above image represents the first and successful test of the configuration.
However, this is only a first, basic version.
An upgraded baseboard will add:
- Real-Time Clock
- Micro SD Card
- Breakout Board options for:
- CAN FD
- LIN Bus
- SAE J1708/1587
The development will take a few months from the time of this writing. In the meantime, if you are interested in adding a dual CAN Bus interface to the Arduino Due, have a look at the following options:
- Arduino-Based ECU Development Board With Dual CAN Bus Interface
- Dual CAN Bus Interface For Arduino Due
- Dual CAN Bus Interface For Arduino Due With Extended Power Range
Future plans include wireless (Bluetooth, WiFi), accelerometer, magnetometer, and gyros functionality (9-DOF) to create an Arduino-based flight controller system.
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SAE J1708 is a standard used for serial communications between ECUs on a heavy duty vehicle and also between a computer and the vehicle. With respect to Open System Interconnection model (OSI), J1708 defines the physical layer. Common higher layer protocols that operate on top of J1708 are SAE J1587 and SAE J1922. The protocol [...]
The MVS series of electronic control units (ECU) by Nexcom features CAN connectivity, and it provides up to four slots for mini-PCIe modules. The modular vehicle computers are equipped with Intel’s 6th generation Core processors on the MVS 5600-IPK or with the Atom processor on the MVS 2620-IPK. The MVS series can aggregate real-time vehicle information from micro-controller [...]
First of all, let me point out that this post is merely about monitoring SAE J1708/J1587 data traffic, i.e. the mere reading of data frames. SAE J1708, the hardware layer, is based on RS485, however, with a small hardware modification that allows message collision detection and prevention. In the following, I am using an RS485 [...]