🌡️ BME680 Environmental Sensor Module – Temperature, Humidity, Pressure & Gas Monitoring

The BME680 Sensor Module is a compact and versatile multi-functional environmental sensor designed to measure temperature, humidity, barometric pressure, and air quality (gas). With support for both I2C and SPI interfaces, it offers a reliable solution for weather stations, IoT projects, indoor air quality monitoring, and smart home systems.

This sensor delivers highly accurate data with low power consumption, making it suitable for portable and battery-powered applications. Each sensing component—humidity, pressure, and gas—can be enabled or disabled independently, providing flexible integration options for developers.

⚙️ Key Features

• 🌡️ Measures Temperature, Humidity, Pressure, and Gas Levels
• 🔌 Supports I2C (up to 3.4 MHz) and SPI (up to 10 MHz) communication interfaces
• ⚡ Ultra-Low Power Consumption: Less than 0.1 mA in ULP mode
• ⏱️ Fast Response Time: Less than 1 second gas sensor response (33–63%)
• 📊 Built-in Indoor Air Quality (IAQ) Index Output
• 🎯 High Accuracy & Stability: ±3% RH accuracy and 8s humidity response

🔧 Technical Specifications

• Operating Voltage: 1.7V – 3.6V
• Operating Temperature: -40℃ to +85℃
• Humidity Sensor: Accuracy ±3% RH, Response Time ~8s
• Pressure Sensor: Enabled independently; accurate and stable readings
• Gas Sensor: Response time < 1s, IAQ output
• Power Consumption: 2.1µA (humidity + temp), 3.7µA (humidity + pressure + temp)

🔌 Pin Definitions

• VCC: Positive power supply
• GND: Ground
• SCL: I2C/SPI clock line
• SDA: I2C/SPI data line
• SDO: SPI data out
• CS: SPI chip select (slave enable)

📦 Package Includes

• 1 × BME680 Sensor Module

This sensor module is ideal for developers, engineers, and hobbyists building precise environmental monitoring systems in compact form factors. Whether you're designing an air quality monitor or integrating sensor data into your smart home, the BME680 offers powerful functionality in a small footprint.