Why the SAE J1939 Starter Kit Is the Best Choice for Learning and Developing Embedded J1939 Systems When engineers first enter the world of SAE J1939, they often ask a simple question: Should I start with a single J1939 gateway or buy the complete Starter Kit? While the SAE J1939…
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Testing CAN Bus Devices by Simulating Real-World Network Failures
Designing a CAN Bus device that performs well under ideal conditions is relatively straightforward. The real challenge begins when the network no longer behaves as expected. In the field, connectors loosen, ECUs lose power, messages are delayed, wiring deteriorates, and configuration errors inevitably occur. A robust CAN device must continue…
Can I Use Any CAN Bus Software with Any CAN-to-USB Interface?
A customer recently asked me a seemingly simple question: “Can I use your JCOM1939 Monitor software with my existing IXXAT CAN-to-USB interface?” Although the question was specifically about SAE J1939, the underlying issue has nothing to do with J1939. It is a problem that has existed in the CAN Bus…
CAN 2.0B with a 29-Bit Identifier Does Not Automatically Mean J1939 Compatibility
One of the most common misconceptions in the heavy-duty vehicle and industrial control markets is the assumption that a device using CAN 2.0B with a 29-bit identifier is automatically SAE J1939 compatible. Unfortunately, that assumption has caused countless integration headaches, wasted engineering hours, and unnecessary investments in development tools and…




