Some questions about sensors

Hi everyone!
I got temperature from barometer and temperature brick sensors and they are different. My questions:

1. Which one is more accurate?
   
2. Am I right, what temp sensor has step in 0.5 degree, and barometer has 0.0625 step?

What is the minimum value for poll dalay for accelerometer, gyroscope and magnetometer?

How read altitude from pressure sensor? Directly via i2c?

Thanks.

 

Hi there!

1. The Barometric Sensor is more accurate than the Temperature Sensor.
2. Because the Barometric is more accurate, if I've understood your question correctly.
3. I don't know. Read the next answer.
4. I added the Datasheet of the Barometric Sensor to the Docs, there are hints inside.

Cheers