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Calculation of Pressure and Temperature for BMP085, The Digital Pressure Sensor

Thursday, 18. June 2009 by admindata

In the following BMP085 Datasheet, you will find one section which describes about how to calculate of pressure and BMP085 PCB Design temperature for the BMP085 digital pressure sensor. This device features such a low power, low noise, I2C interface, Pb-free, halogen-free and etc. It is commonly applied for use in mobile phones, PDAs,  encanhement of GPS Navigation, indoor/outdoor navigation, weather forecast application and vertical velocity indication.

You can then start to calculate pressure and temperature of BMP085, first of all read calibration data from the E2PROM then continue to read uncompensated temperature value, and the uncompensated pressure value. Follow to calculate true temperature and true pressure. If you have displayed temperature and pressure value then back to read the uncompensated temperature value step again. And that shows an algoritm for the BMP085 pressure and temperature measurement, you’ll provide with a detailed figure of the algorithm for sure.

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