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SparkFun Part Number: SEN-11824

Description: This is a breakout board for the Bosch BMP180 high-precision, low-power digital barometer. The BMP180 offers a pressure measuring range of 300 to 1100 hPa with an accuracy down to 0.02 hPa in advanced resolution mode. It’s based on piezo-resistive technology for high accuracy, ruggedness and long term stability. These come factory-calibrated, with the calibration coefficients already stored in ROM. What makes this sensor great is that it is nearly identical to its former rev, the BMP085! This breadboard-friendly board breaks out every pin to a 5-pin 0.1" pitch header. VCC can be from 1.8V to 3.6V and is I/O lines are 5V tolerant; we typically run it on a clean, regulated 3.3V supply. The analog and digital supplies (VDDD and VDDA) are tied to a single header pin, but are separately decoupled. It connects to a microcontroller via I²C bus (also known as TWI, or on the Arduino, the “Wire” library).

Features:

• Digital two wire (I²C, TWI, “Wire”) interface
• Wide barometric pressure range
• Flexible supply voltage range (1.8V to 3.6V)
• Ultra-low power consumption
• Low noise measurements
• Factory-calibrated
• Includes temperature sensor
• Low-profile with a small footprint

Documents:

• Schematic
• Eagle Files
• Datasheet (BMP180)
• Quickstart Guide
• GitHub

* Original SparkFun product description and images used with Sparkfun permission.