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BME680 (Temperature, Humidity, Pressure and Gas Sensor)
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.
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Sensor type | Infrared array sensor | |
Maximum output current | 10mA | |
Sensing distance | 7m | |
Switch mode | digital | |
Installation type | Surface mount | |
Number of pins | 14 | |
Maximum supply current | 4.5 mA | |
size | 11.6 x 8 x 4.3mm | |
height | 4.3mm | |
length | 11.6mm | |
series | Grid-EYE | |
Maximum working temperature | +80 °C | |
Maximum operating supply voltage | 5 V DC | |
Minimum operating temperature | -20 °C | |
width | 8mm |
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- Humidity measurement range: 20%-95%, humidity measurement error: +-5%
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- Working voltage 3.3 V-5 V
- Output form: digital output
- Has fixed bolt hole and easy installation
- PCB size: 3.1cm x 1.4cm
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