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Thanks to Bosch, now wersquo;ve got a high-precision environmental sensor at even lower cost, the Grove ndash; Barometer Sensor(BMP280). It is based on their new BMP280 sensor, which is an upgraded version of the old BMP180 used in Grove ndash; Barometer Sensor (BMP180). The module provides precise measurement of barometric pressure and temperature in the environment. The air pressure can be measured in a range from 300 hPa to 1100hPa with plusmn;1.0 hPa absolute accuracy. As for the temperature the sensor works perfectly for temperatures between - 40 and 85 with an accuracy of plusmn;1 .
Owing to its high accuracy on measuring the pressure, and the pressure changes with altitude, we can calculate the altitude with plusmn;1 meter accuracy, which makes it a precise altimeter as well. Another great thing about this module is that, you donrsquo;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.
Note: As the sensor is quite sensitive to the environmental conditions, please DO NOT touch it with your fingers.
Features
High accuracy, absolute accuracy of plusmn;1.0 hPa for pressure measurement and plusmn;1 accuracy for temperature measurement
Easy-to-use Grove Compatible Interface
Supports both I2C and SPI communication
Can be used as an altimeter with accuracy of plusmn;1 meter
Specification
Supply Voltage: 5V or 3.3V
Current Consumption: 0.6 mA
Barometric Pressure Measure
Range: 300 ndash; 1100 hPa
Accuracy: plusmn;1.0 hPa
Temperature Measurement
Range: -40 to 85
Accuracy: plusmn;1
Interface: I2C and SPI
Grove Port: I2C (selectable address at 0x77(default) and 0x76)
Dimensions: 20mm x 40mm
Weight: 3g
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Informazioni aziendali
ROBOT DOMESTICI SRL - Via Cornelio Labeone, 70 - 00174 Roma (RM)
Partita IVA IT15791431008 - REA di Roma n. RM 1614298
CODICE FATTURAZIONE ELETTRONICA: KRRH6B9
Tel. (+39) 06 76971136 | e-mail: info@robot-domestici.it