Hello skt,
So, you have two questoins.
1) error range
2) First i2c read 0 value
In case of first question, I will check with my apps team that MIN and MAX are allowed.
And second question is if you read BMP280 with polling methomd, you might try to read it before BMP280 is ready.
My suggestion is to make delay like 30 ~ 50 ms, then try again 🙂
Please let me know if you have any further questions.
Thanks,
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