[2020-05-26-004321_1824x984_scrot] As shown in the photo above, i2c succeeded in fetching data values. The problem is that it is difficult to distinguish the payload values. For example, in the first case it is ph, in the second case it is temperature and in the third case it is a co2 sensor. The…

Use a function to split the string on : Put part [0] into msg.topic and part [1] into msg.payload. E.g. var parts = msg.payload.split(":") msg.topic = parts[0].trim(); msg.payload = parts[1].trim(); return msg;

Steve-Mcl 25 May 2020 16:20 3

Ps, in order to make code more readable and importable it is important to post it between two sets of three backticks - ``` - see this post for more details - How to share code or flow json

Please edit your first post.

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I have a question. Sensor data classification

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