Month: January 2025
Using MQTT Explorer to View the RV-C Network
Wait, I thought RV-C was a CAN bus protocol? Yes RV-C is for sure a CAN protocol, but a core component of eRVin listens to RV-C traffic and converts it to MQTT traffic so it can more easily be manipulated. What is MQTT? MQTT is a lightweight and efficient publish-subscribe protocol used for IOT (Internet of Things) applications. The nitty gritty details aren’t pertinent to this discussion, so for more info have a look hereLearn More
What’s The Difference Between DGN and PGN?
In the context of CAN bus communication, particularly in protocols like J1939 or RV-C (used in vehicles, RVs, and heavy equipment), PGN (Parameter Group Number) and DGN (Data Group Number) are related but serve distinct roles. Here’s the difference: PGN (Parameter Group Number): Definition: A PGN is a standardized identifier used in the J1939 protocol to describe the structure and meaning of the data being transmitted on the CAN bus. It defines the message’s purpose,Learn More