Hi all! Apologies for the rather basic post, but I wasn’t able to find the more general info in a search. So I’m looking to build a semi-industrial setup with multiple BMS of different brands, a variety of sensors and actuators from different brands (motors, encoders, accelerometers, etc), multipl…

Hi. I’ve not done anything with Cerbo GX but have been impressed by how easy it is to implement some quite complex logic in NodeRed on Raspberry Pi. I’ve got relays controlling chargers and an immersion heater based on solar power input and battery voltage. Next step is to use a temperature sensor o…

I think what I’m looking for is to reduce the total number of processors / controllers overall, so I’m hoping to use whatever comms the Cerbo (or similar unit) has to communicate to another device that’s handling other tasks in parallel. Has anyone here seen or built gateways to go between Victron’…

Hi, Few pointers: Cerbo GX has always has Venus OS installed. MQTT is quite native in Node-RED. Not much you’ll need to do for that. Google for “Node-RED EtherCAT” to learn more on that. (Not many people within the Victron community will be familiar to Ethercat I’d think btw). OPC UA, see node-re…

[image] ChirpyOctopus: Has anyone here seen or built gateways to go between Victron’s protocols and a more standard industrial communication protocol like Modbus / EtherCAT / MQTT / OPCUA / CANopen / etc? In general, Node-RED is a very suitable tool for that, especially when part of Venus OS …

Thanks @mpvader , that’s very helpful! Just as a confirmation about the lower layers: both MQTT and OPCUA can run on the Eth port, and the user doesn’t need to worry about intermediate layers like Transport/Network/Data, correct?

I have installed a Raspberry Pi 3B running VenusOS with a USB dongle connection to my MPPT charge controller. In the Settings interface I have enabled the MODBUS interface. I run a number of python scripts on my Macbook to do many things. Throughout my install I have incorporated the TP-Link TAPO sm…

General - workflow for transceiving custom signals with Node-RED / Venus OS / Pi / Arduino

Node-RED

mpvader (Matthijs Vader) 20 August 2025 22:21 5

In general, Node-RED is a very suitable tool for that, especially when part of Venus OS since you have al Victron protocols then ready and available in it.

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General - workflow for transceiving custom signals with Node-RED / Venus OS / Pi / Arduino

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