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The Waveshare BME280 Environmental Sensor is a compact breakout board designed for precise measurement of temperature, humidity, and barometric pressure. Supporting both I2C and SPI interfaces, and compatible with 3.3V/5V voltage levels, the BME280 Dev Board is ideal for Linux-based IoT projects, weather monitoring, and embedded applications.
Thanks to its ultra-small form factor, low power consumption, and high precision with stability, the Waveshare BME280 Environmental Sensor is well-suited for environment monitoring, weather forecasting, altimeter functions, and IoT development.
Features
- Supports I2C (default), configurable slave address
- Supports SPI, switchable via I/O setting
- Onboard voltage level translator, compatible with 3.3V/5V operating voltage
- Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)
Specifications
- Operating voltage: 3.3V/5V
- Communication interface: I2C/SPI
- Temperature sensing: -40~85C (resolution 0.01C, accuracy 1C)
- Humidity sensing: 0~100%RH (resolution 0.008%RH, accuracy 3%RH, response time 1s, delay 2%RH)
- Barometric pressure sensing: 300~1100 hPa (resolution 0.18Pa, accuracy 1hPa)
- Power consumption: <0.1mA@1Hz (H,P,T)
- Dimension: 27mm 20mm
- Mounting hole size: 2.0mm
Pinouts
| PIN | I2C | SPI |
|---|---|---|
| VCC | 3.3V/5V power supply | |
| GND | Ground | |
| SDA/MOSI | I2C data | SPI data master output/slave input |
| SCL/SCK | I2C clock | SPI clock input |
| ADDR/MISO | I2C address chip selection, high level (default) address: 0x77; low level address: 0x76 | SPI data master input/slave output |
| CS | NC | SPI chip selection, low active |
Dimensions
Sensor Parameters Comparison
| Model | Waveshare BME280 Environmental Sensor | BME680 | BME688 |
|---|---|---|---|
| Detection Support | Barometric pressure, Environmental temperature, Relative humidity | Barometric pressure, Environmental temperature, Relative humidity, VOC gas detection | Barometric pressure, Environmental temperature, Relative humidity, VOC and VSC gas detection |
| Communication interfaces | I2C and SPI | ||
| Temperature sensing | range | -40~85C | |
| accuracy | 1.0 (0~65) | 0.5 (0~65) | |
| Humidity sensing | range | 0~100%RH | |
| accuracy | 3%RH | ||
| Barometric pressure sensing | range | 300~1100 hPa | |
| accuracy | 1.0hPa (0~65) | 0.6hPa (0~65) | |
| Gas sensing | - | VOC gas detection | VOC and VSC gas detection |
| Dimensions | 27 20mm |
Development Resources
Wiki : www.waveshare.com/wiki/BME280_Environmental_Sensor
Part List
- BME280 Environmental Sensor x1
- PH2.0 6PIN wire 20cm x1
The Waveshare BME280 Environmental Sensor is a compact breakout board designed for precise measurement of temperature, humidity, and barometric pressure. Supporting both I2C and SPI interfaces, and compatible with 3.3V/5V voltage levels, the BME280 Dev Board is ideal for Linux-based IoT projects, weather monitoring, and embedded applications.
Thanks to its ultra-small form factor, low power consumption, and high precision with stability, the Waveshare BME280 Environmental Sensor is well-suited for environment monitoring, weather forecasting, altimeter functions, and IoT development.
Features
- Supports I2C (default), configurable slave address
- Supports SPI, switchable via I/O setting
- Onboard voltage level translator, compatible with 3.3V/5V operating voltage
- Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)
Specifications
- Operating voltage: 3.3V/5V
- Communication interface: I2C/SPI
- Temperature sensing: -40~85C (resolution 0.01C, accuracy 1C)
- Humidity sensing: 0~100%RH (resolution 0.008%RH, accuracy 3%RH, response time 1s, delay 2%RH)
- Barometric pressure sensing: 300~1100 hPa (resolution 0.18Pa, accuracy 1hPa)
- Power consumption: <0.1mA@1Hz (H,P,T)
- Dimension: 27mm 20mm
- Mounting hole size: 2.0mm
Pinouts
| PIN | I2C | SPI |
|---|---|---|
| VCC | 3.3V/5V power supply | |
| GND | Ground | |
| SDA/MOSI | I2C data | SPI data master output/slave input |
| SCL/SCK | I2C clock | SPI clock input |
| ADDR/MISO | I2C address chip selection, high level (default) address: 0x77; low level address: 0x76 |
SPI data master input/slave output |
| CS | NC | SPI chip selection, low active |
Dimensions
Sensor Parameters Comparison
| Model | Waveshare BME280 Environmental Sensor | BME680 | BME688 |
|---|---|---|---|
| Detection Support | Barometric pressure, Environmental temperature, Relative humidity | Barometric pressure, Environmental temperature, Relative humidity, VOC gas detection | Barometric pressure, Environmental temperature, Relative humidity, VOC and VSC gas detection |
| Communication interfaces | I2C and SPI | ||
| Temperature sensing | range | -40~85C | |
| accuracy | 1.0 (0~65) | 0.5 (0~65) | |
| Humidity sensing | range | 0~100%RH | |
| accuracy | 3%RH | ||
| Barometric pressure sensing | range | 300~1100 hPa | |
| accuracy | 1.0hPa (0~65) | 0.6hPa (0~65) | |
| Gas sensing | – | VOC gas detection | VOC and VSC gas detection |
| Dimensions | 27 20mm |
Development Resources
Wiki : www.waveshare.com/wiki/BME280_Environmental_Sensor
Part List
- BME280 Environmental Sensor x1
- PH2.0 6PIN wire 20cm x1
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