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Grove - Temperature, Humidity, Pressure and Gas Sensor
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This standalone environmental sensor BME688 is a high-performance 4-in-1 gas sensor with Artificial Intelligence (AI), integrated high-linearity and high-accuracy pressure, humidity and temperature sensors. It can measure humidity with ±3% accuracy, barometric pressure with ±1 hPa absolute accuracy, and temperature with ±1.0°C accuracy just like its predecessor BME280 & BMP280. 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 new BME 688 sensor it's backward compatible with BME680. Compared to BME680, it carries an extra gas scanning function with low power consumption (3.9 mA in standard gas scan mode). It can detect a wide variety of volatile organic compounds (VOCs), volatile sulfur compounds (VSCs), and other gases such as carbon monoxide and hydrogen in the part per billion (ppb) range. In standard configuration, the presence of VSCs is detected as an indicator for e.g. bacteria growth. The gas scanner can be customized with respect to sensitivity, selectivity, data rate and power consumption as well. Moreover, it is trainable to detect different gas mixtures and their presence (e.g. coffee) with Bosch's AI Studio like in home appliances, IoT products or Smart homes.
This new BME688 is ideal for innovative custom applications such as detecting food spoilage or timely detection of wildfires by measuring current gases and tracking changes in temperature and humidity. The artificial intelligence capabilities of the sensors and Bosch Sensortec's new BME AI-Studio software tool allow customers to quickly develop custom solutions directly for their specific use cases.
Features
- The first gas sensor with AI: Trainable to detect different gas mixtures and their presence (e.g. coffee) with Bosch's AI Studio
- High-performance 4-in-1 environmental sensor: Detect gas, humidity, temperature, and barometric pressure sensing in a compact size
- Detect a wide variety of gases: Volatile organic compounds (VOCs), volatile sulfur compounds (VSCs), and other gases such as carbon monoxide and hydrogen in the part per billion (ppb) range
- High accuracy: Measure humidity with ±3% accuracy, temperature with ±1.0°C accuracy, +-1C and barometric pressure with ±1 hPa absolute accuracy
- Easy to use: Compatible with Grove port, just plug-and-play
- Product number: Seeed 114992989
Specifications
| Dimensions | 24mm L * 20mm W * 9.9mm H |
| Weight | G.W 7.5g |
| Battery | Exclude |
| Operating Voltage | 3.3V/V |
| Operating Range | -40~+85℃; 0-100% r.H.; 300-1100hPa |
| Humidity Absolute Accuracy | ± 3%r.H. (20-80 %r.H.,25℃) |
| Humidity Resolution | 0.008 %r.H. |
| Pressure Absolute Accuracy | ± 0.6 hPa (300-1100 hPa, 0-65℃) |
| Pressure Resolution | 0.18 Pa，highest oversampling |
| Temperature Absolute Accuracy | ±1.0°C |
| Temperature Resolution | 0.01℃ |
| Digital Interface | I2C(up to 3.4MHZ)/ SPI(3 and 4 wire, up to 10MHz) |
| I2C address | 0x76(default)/ 0x77(optional) |
Resources
Pinout
Package Contents
- 1x Grove - Temperature, Humidity, Pressure and Gas Sensor (BME688)
- 1x Grove cable
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