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How had you solved the Multimaster I2C Bus Problem? #1
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Hi Well, when I started this git I read all what I could find on the internet. As far as I remember (in my git I don't use tasmota) the esp32 you put inside could be the problem by heating up the sensor. To offset it you could edit the tasmota code and subctract a constant to the temperature |
oh okay, you read different values than what the ikea shows. Is like that all the time or maybe for just the first reading? just found out that mine shows similar behavior to yours. Since our microcontroller is directly connected to the sensor, I believe post processing is done by the ikea microcontroller before showing it to the display. A similar computation would be nice to be implemented in this git. A baseline could be subtracting around 2 degrees If I'm not mistaken in another git this issue has been talked about, if I found it again I will let you know |
well, I didn't found the git but I found way better: arduino even permits to retrieve the sensor parameters set ! we should dive in this to understand how ikea's engineers set up the sensor it's even possible to read the raw data instead of the post processed data with readMeasuredRawValues()! |
I think just using the function to read the raw data could be sufficient |
Hello, I made the same. I build in an ESP32-C3, soldering the wires and install Tasmota.
Now I see the values are bad. The temperature and the humidity are higher then expected.
Any ideas to solve the problem?
FerrisB
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