Question: bmp085 how does it work?
Answer: As a bonus the BMP085 also provides a temperature measurement, anywhere from 0 to 65 °C. The BMP085 has a digital interface, I2C to be specific. ... I2C is a synchronous two-wire interface, the first wire, SDA, transmits data, while a second wire, SCL, transmits a clock, which is used to keep track of the data.