Hello!

Got the same problem trying to read values from a accelerometer connected to an ESP32 arduino board( 3.3V).

ESP32 is connected to USB 2.0 of my IOT2050 advanced FS09 image 1.4xx, in node red my ‘Serial IN’ node is configured to /dev/ttyUSB0 which is marked as ‘connected’ when i deploy.

But even if my arduino IDE terminal get all values (115200 bauds), IOT don't recieve nothing in node red debug and even with a linux debian terminal application.

How to confugure my USB communication?

Best regards

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Split from Read sensor value without Module IO.