The Sparkfun BME280 Atmospheric Sensor Breakout is the easy way to measure barometric pressure, humidity and temperature values without taking up too much space. Basically, you can find out everything you need to know about atmospheric conditions from this was a small eruption. The BME280 breakout was developed for use in indoor/outdoor navigation, weather forecast, home automation and even personal health and wellness monitoring.
The built-in BME280 sensor measures the air pressure from 30kPa to 110kPa as well as the relative air humidity and temperature. The breakout has a 3.3V SPI interface, a 5V tolerant I2C interface (with pull-up resistors up to 3.3V), performs measurements at less than 1mA and switches off less than 5±5A. The BME280 breakout board has 10 pins, but no more than six are used at the same time. Power, ground, and I2C pins are located on the left side of the board. The remaining pins, which offer SPI functionality and have a different voltage and mass, are broken out on the other side.
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