The long awaited BME680 from Bosch gives you all the environmental sensing you want in one small package. This little sensor contains temperature, humidity, barometric pressure, and VOC gas sensing capabilities. All over SPI or I2C at a great price!
Like the BME280 & BMP280, this precision sensor from Bosch can measure humidity with ±3% accuracy, barometric pressure with ±1 hPa absolute accuracy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter or better accuracy!
The BME680 takes those sensors to the next step in that it contains a small MOX sensor. The heated metal oxide changes resistance based on the volatile organic compounds (VOC) in the air, so it can be used to detect gasses & alcohols such as Ethanol, Alcohol and Carbon Monoxide, and perform air quality measurements. Note it will give you one resistance value, with overall VOC content, but it cannot differentiate gasses or alcohols.
Please note this sensor, like all VOC/gas sensors, has variability and to get precise measurements you will want to calibrate it against known sources! That said, for general environmental sensors, it will give you a good idea of trends and comparisons. We recommend that you run this sensor for 48 hours when you first receive it to “burn it in”, and then 30 minutes in the desired mode every time the sensor is in use. This is because the sensitivity levels of the sensor will change during early use, and the resistance will slowly rise over time as the MOX warms up to its baseline reading.
For your convenience we’ve pick-and-placed the sensor on a PCB with a 3.3V regulator and some level shifting, so it can be easily used with your favorite 3.3V or 5V microcontroller. All of the pins of the BME680 are available on standard 0.100”/ 2.54mm pitch headers for use with a breadboard. Should you wish to avoid soldering, we now also include our Stemma QT connectors (SparkFun Qwiic compatible). Using these handy connectors you can simply plug in the sensor, no soldering required!
Our detailed tutorial will get you going with code for both Arduino and CircuitPython, schematics, wiring diagrams, Fritzing objects and more!
TECHNICAL DETAILS
Revision History:
- As of August 6, 2020 we’ve updated this sensor to be STEMMA QT compatible – that means there’s now an easy way to plug-and-play this sensor without any soldering! The physical shape has changed but the pinout is identical to the non-QT earlier version.
- BME680 Datasheet
Fast Shipping and Professional Packaging
Because of our long-standing partnership with UPS, FedEx, DHL and many other leading global carriers, we can provide various shipping options. Our warehouse staff is highly trained and will pack the items according to our exact and precise specifications. Before shipping, your goods will be thoroughly examined and secured. We deliver to thousands of customers every day from all over the world. This is a sign of our dedication to being the largest online retailer worldwide. There are distribution centers as well as warehouses located in Europe as well as the USA.
Note: Orders with more than one product are assigned a specific processing period dependent on the particular item.
Before shipping, we will examine the items ordered carefully before shipping. The majority of orders are shipped within 48 hours. The time to deliver varies from 3-7 days.
Returns
The stock is constantly changing and cannot be fully controlled by us due to the involvement of many parties including the factory and our warehouse. This means that the actual stock could alter at any time. Be aware that it is possible that your order could be out of stock after you have made the order.
Our policy lasts thirty days. If you haven't received your item within 30 days, we're unable to offer the option of a refund or exchange.
You are able to return an item when it's unopened and is in the same condition as when you first received it. It should also be returned in its original packaging.
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