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Post by DaninOregon on Jan 20, 2021 15:42:41 GMT -8
Hello, I am having an issue with multiple sensors on this hat. Just trying to troubleshoot, my question is that my I2c sensors run for a while then stop. I noticed the blue led on the grove board turns white when this happens. Can I ask what a white led means?
Thanks in advance.
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Post by SDL on Jan 20, 2021 17:09:31 GMT -8
The white LED indicates that your SCL line is being held low. One of your sensors is failing (holding the line down). Remove your i2C sensors one at a time and find out which one is causing the problem.
BP
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Post by DaninOregon on Jan 21, 2021 7:45:32 GMT -8
Thank you. I only have a scd-30 and a gy-30 i2c connected. In the last 24hrs I've reduced my cron jobs to not overlap i2c sensor read. No lock up since. The scd-30 sensor operates differently than I am used to with its warm up required.
Do you know of a way to reset the i2c for remote devices when/if this happens since the only way it seems to reset is to remove power and plug back in. Reboot PI via restart will not work.
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Post by SDL on Jan 21, 2021 10:12:44 GMT -8
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Post by DaninOregon on Jan 21, 2021 15:44:23 GMT -8
I will research that and learn. Appreciate the quick and great responses!
That part you linked looks perfect for my project. I bought 5 to test with just now. Just the piece of mind of having the ability is worth adding to our design. Thanks again and I will talk to you later.
5 stars on this hat. This has cleaned our project immensely!
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