This precision sensor from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. Because pressure changes with altitude you can also use it as an altimeter! The BMP180 is the next-generation of sensors from Bosch, and replaces the BMP085. The good news is that it is completely identical to the BMP085 in terms of firmware/software/interfacing - you can use Adafruit's BMP085 tutorial and any example code/libraries as a drop-in replacement. This board is 5V compliant - a 3.3V regulator and a i2c level shifter circuit is included so you can use this sensor safely with 5V logic and power. Using the sensor is easy. For example, if you're using an Arduino, simply connect the VIN pin to the 5V voltage pin, GND to ground, SCL to I2C Clock (Analog 5) and SDA to I2C Data (Analog 4). Then download our BMP085/BMP180 Arduino library and example code for temperature, pressure and altitude calculation. Install the library, and load the example sketch Specification: Pressure range: 300 ~ 1100hPa (altitude 9000 m ~ -500 m relating to sea level) Power supply voltage: 1.8V ~ 3.6V (VDDA), 1.62V ~ 3.6V (VDDD) LCC8: Lead-free ceramic carrier package (LCC) Low power consumption: 5µA, in standard mode High precision: low-power mode, the resolution of 0.06hPa (0.5 meters) High linearity mode with a resolution of 0.03hPa (0.25 meters) MSL 1 Reaction Time: 7.5ms Standby current: 0.1µA No external clock circuit Including temperature output,I2C Interface,Temperature compensation Installation: Refer to Adafruit's detailed tutorial Used for: GPS precise navigation (dead reckoning, the upper and lower bridge detection, etc.) Indoor and outdoor navigation Leisure, sports and medical health monitoring Weather forecast Vertical velocity indication (rise/sink speed) Packing Included: 1*BMP180 Sensor Board
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