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BMP180 dual-purpose sensor
This dual-purpose sensor is used to measure temperature and barometric pressure. It operates as an I2C slave device.
The actual sensor is tiny but a board is available from China with the I2C connections and power on a standard 0.1 inch header which makes it easily accessible.
Micropython
Detect
picocom -b 115200 /dev/ttyUSB0 from machine import Pin, I2C i2c = I2C(scl=Pin(22), sda=Pin(21), freq=100000) i2c.scan() [119]
