PCB details of the Bosch BMP280 pressure sensor breakout board ... GY-BM E/P 280 Module * Barometric Pressure & Temperature Sensor * Basic Test Sketch/Arduino Uno I2C * Chip Id: 0x58 / Address: 0x76 ...

Necessity is the mother of invention, so he put together this I2C sniffer sketch for Arduino. The arduino will record what is going on for a set time interval, then dump the data via serial as a .csv.