Bmp180 is a high precision, small volume, low energy consumption of the pressure sensor can be used in mobile devices, its excellent performance, the absolute lowest precision can reach 0.03hPa, and consumable electrode is low, only 3 mu a, bmp180 using powerful 8-pin ceramic leadless chip carrier (LCC) slim package, is directly connected with all kinds of microprocessor through the I2C busMain features:Pressure range: 300~1100hPa (9000 meters above sea level ~-500 m)Supply voltage: 1.8V~3.6V (VDDA), 1.62V~3.6V (VDDD)LCC8 package: lead free ceramic carrier package (LCC)Size: 3.6mmx3.8x0.93mmLow power consumption: 5 A, in standard modeHigh precision: low power mode, with a resolution of 0.06hPa (0.5 m)High linear mode, with a resolution of 0.03hPa (0.25 m)Temperature outputI2C interfacetemperature compensationLead free, in compliance with RoHS specificationsMSL 1 reaction time: 7.5msStandby current: 0.1 ANo external clock circuitTypical applications:GPS precise navigation (dead reckoning, upper and lower bridge detection etc.)Indoor and outdoor navigationMonitoring of leisure, sports and health careWeather forecastVertical speed indicator (up / down speed)Fan power control
Arduino pin connection reference is as follows:

1 BMP180 pressure sensor modules
For example Baidu SkyDrive Arduino library data link:Http://pan.baidu.com/s/1i3wxLcD

• Arduino
• BMP180 air pressure sensor module
• Altitude temperature measurement
• I2C interface
• Low power consumption.

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