The state-of-the-art BME680 breakout lets you measure temperature, pressure, humidity, and indoor air quality, and is Raspberry Pi and Arduino-compatible!

Use this breakout to monitor every aspect of your indoor environment. Its gas resistance readings will react to changes in volatile organic compounds and can be combined with humidity readings to give a measure of indoor air quality.

Want to get an idea of whether there's adequate ventilation in your bedroom, your workshop, or workplace? Set up a BME680 on a Pi Zero W and have it log sensor readings to a file, or stream live data to a web service like adafruit.io or freeboard.io.

This breakout is compatible with our fancy Breakout Garden system, where using breakouts is as easy just popping it into one of the slots and starting to grow your project, create, and code. It's also Qw/ST compatible so it can be plugged into a whole range of different microcontrollers and HATs with Qwiic or STEMMA QT connectors.

Features

• Bosch BME680 temperature, pressure, humidity, air quality sensor (datasheet)
• I2C interface, with address select via ADDR solder bridge (0x76 or 0x77)
• Qwiic/STEMMA QT connector (on boards manufactured from November 2021 onwards)
• 3.3V or 5V compatible
• Reverse polarity protection
• Raspberry Pi-compatible pinout (pins 1, 3, 5, 7, 9)
• Compatible with Arduino
  
• Compatible with Raspberry Pi (Python library)
• Compatible with Raspberry Pi Pico (C++/MicroPython libraries).

Kit includes

• BME680 breakout
• 1x5 male header
• 1x5 female right angle header

We've designed this breakout board so that you can solder on the piece of right angle female header and pop it straight onto the bottom left 5 pins on your Raspberry Pi's GPIO header (pins 1, 3, 5, 7, 9). The right angle header also has the advantage of positioning the breakout away from the Pi's CPU so as to minimise radiated heat.

Software

As well as the C library provided by Bosch, we've put together a Python library (with a quick and painless one-line-installer) to use with your BME680, making it straightforward to combine it with our other boards (why not use a Blinkt! or Unicorn pHAT to visualise air quality in real time?)

You can also use this breakout with Raspberry Pi Pico and other RP2040 boards, using C++ or Pirate brand MicroPython.

Notes

• In our testing, we've found that the sensor requires some burn-in time (at least 20 minutes) and that readings may take a couple of minutes to stabilise after beginning measurements
• The solder pads (marked ADDR) can be bridged to change the I2C address from the default of 0x76 to 0x77, meaning that you can use up to two sensors on the same Raspberry Pi or Arduino
• The BME280, BME68X, and BMP280 breakouts all share the same I2C addresses, so if you're using two together then you'll need to change the I2C address on one of them using the solder bridge/pads.
• Dimensions: 19x19x2.75mm (LxWxH)

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