Grove BMP280 provides precise measurements of barometric pressure and temperature in the environment. The air pressure can be measured in a range from 300 hPa to 1100hPa with ±1.0 hPa absolute accuracy. As for the temperature, the sensor works perfectly for temperatures between – 40℃ and 85℃ with an accuracy of ±1℃.
Owing to its high accuracy on measuring the pressure, and the pressure changes with altitude, we can calculate the altitude with ±1 meter accuracy, which makes it a precise altimeter as well. Another great thing about this module is that you don’t even need to worry about the I2C collisions as it provides both I2C and SPI interfaces. To use SPI, simply de-solder the bonding pads on the back. If you go with I2C, the board also provides 2 I2C addresses for you to select as you want.
BMP280 VS. BME280
Grove BMP280 is similar to Grove BME280, and their parameter performance is almost the same, so people are often confused. The BMP280 can only measure temperature and air pressure, while the BME280 can measure humidity in addition to temperature and air pressure. Because of this difference, BMP280 is much cheaper than BME280. Simply put, the BMP280 Barometer sensor is an upgrade to the BMP180 Barometer sensor, and the BME280 environmental sensor adds humidity measurement to the BMP280. So if you just want to get the atmospheric pressure, then we recommend you to use Grove BMP280, however, if you want to monitor the environment more comprehensively, then we recommend Grove BME280.
As the sensor is quite sensitive to the environmental conditions, please DO NOT touch it with your fingers.
- High accuracy, absolute accuracy of ±1.0 hPa for pressure measurement and ±1 accuracy for temperature measurement
- Easy-to-use Grove Compatible Interface
- Supports both I2C and SPI communication
- Can be used as an altimeter with the accuracy of ±1 meter
- Supply Voltage: 5V or 3.3V
- Current Consumption: 0.6 mA
- Barometric Pressure Measure
- Range: 300 – 1100 hPa
- Accuracy: ±1.0 hPa
- Temperature Measurement
- Range: -40 to 85
- Accuracy: ±1
- Interface: I2C and SPI
- Grove Port: I2C (selectable address at 0x77(default) and 0x76)
- Dimensions: 20mm x 40mm
- Weight: 3g
|Dimensions||130mm x90mm x8.5mm|
|Grove – Barometer Sensor (BMP280)||1|
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