how do i exchange data between arduino and node red with the siemens iot2040

#1

Hello,

im working on a project where i have to sent 8 sensor readings from the arduino side of the IOT2040 to node red. i dont know how to do it because im new to this, so any help would be appreciated.

Thanks in advance

#2

Read & try

https://www.rs-online.com/designspark/siemens-iot2020---installing-and-testing-node-red-mqtt-and-sqlite3

https://support.industry.siemens.com/tf/WW/en/posts/iot2040-as-mqtt-broker/183080?page=0&pageSize=10