Bosch Sensortec datasheet for the BMP180 digital barometric pressure sensor, document BST-BMP180-DS000-09, 656 KB PDF. The 09 suffix indicates the document revision. It covers the I2C interface, calibration coefficients stored in EEPROM, compensation formulas, supply range and package footprint. It is useful for weather stations, altimeters and drone boards. When troubleshooting, confirm the supply voltage, I2C pull-ups and device address. The BMP180 is discontinued and has been replaced by newer Bosch pressure sensors.
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