The 7Semi BME690 Sensor Nano Breakout Qwiic integrates Bosch Sensortec’s latest environmental sensing technology with 7Semi’s rugged, plug-and-play breakout design. It combines digital sensing of temperature, relative humidity, barometric pressure, and gas (VOC/VSC detection) into a compact, low-power device.With both I²C, wide voltage compatibility 3.3v, and built-in Bosch’s BSEC software, this module is ideal for high-accuracy, low-power embedded applications.
Key Features
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4-in-1 Environmental Sensing: Temperature, humidity, pressure, and gas (VOC, CO, H₂S, and more)
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Low Power Modes: Down to 0.05 mA in ultra-low power gas sensing mode
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Flexible Interface: I²C (up to 3.4 MHz) Qwiic
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Extended Operating Range: -40 to +85 °C, 0–100% rH, 300–1100 hPa
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Output Metrics: IAQ Index, bVOC & CO₂ equivalents, gas resistance, ambient readings
Applications
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Indoor Air Quality Monitoring
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Smart Home Automation
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Wearables (e.g., breath checkers, smartwatches)
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Diaper & Spoiled Food Detection (via VSC)
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Industrial or Asset Tracking (environmental sensing)
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Fire and Gas Leak Detection
What’s Included
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1x 7Semi BME690 Digital Sensor Nano Breakout Qwiic
Frequently Asked Questions (FAQ)
Q1:What microcontrollers are compatible with this sensor board?
A: The sensor works with any 3.3V logic microcontroller that supports I²C, including ESP32, ESP8266, Raspberry Pi, STM32, Arduino Nano 33 IoT, and nRF52-based boards.
Q2: Can I use this with Raspberry Pi or ESP32?
A: Yes! Connect 3V3, GND, SDA, and SCL lines directly. Libraries from Bosch or Adafruit are fully compatible.
Q3: Does it require calibration?
A: The sensor performs self-calibration and adapts to changing environments using BSEC software.
Q4: What type of gas detection is supported?
A: VOCs, bVOC (breath VOC), H₂S, eCO₂, and more via customizable profiles.
Resources
- Supply Voltage:
- 3.3V
- Interfaces:
- I²C, SPI (3/4 wire)
- Temperature Accuracy:
- ±0.5 °C (0–65 °C)
- Humidity Accuracy:
- ±3% RH (20–80%)
- Pressure Accuracy:
- ±0.5 hPa (300–1100 hPa)
- Gas Resistance Output:
- Yes (with IAQ, bVOC, CO₂-equivalents)
- Sleep Current:
- 0.11 µA
- Ultra-Low Power Gas Sensing:
- 0.05 mA avg current
- Operating Temperature:
- -40 °C to +85 °C
- Connector type:
- Qwiic
- Microcontrollers compatible:
- Ardiuno, ESP32, ESP8266, STM32, Raspberry Pi, Arduino Nano 33 IoT, and nRF52-based boards.
- Board Dimensions:
- Approx.14.90 × 9.68 mm
- Board Weight:
- 1g
