M5Stack Barometric Pressure Unit (BMP280) [discontinued]

Barometric Pressure Unit is a barometer unit, which integrates the Bosch BMP280 pressure sensor to measure atmospheric pressure and estimate the altitude. The relative accuracy can reach ± 0.12hpa, equivalent to ± 1m height difference. At the same time, the temperature drift coefficient is very low, which can reach 1.5 PA / K, that is, the temperature drift is 12.6 cm / K. in addition, there is an integrated temperature sensor in the chip.Product Features

* Air pressure sensor, with temperature sensor on chip, can be measure simultaneously

* The accuracy is ± 0.12hpa

* Temperature drift coefficiency 1.5pa/k

* Supports periodic measurement

* Integrated 5-segment filter

* Support low power consumption

* Development platform: Arduino, UIFlow (Blockly, Python)

* 2x LEGO™ compatible holes

Include

* 1x Barometric Pressure Unit

* 1x Grove Cable (5cm)

Application

* height detector

* Weather station

Specification

Resources

Parameter

Air pressure measurement range

300 - 1100 hPa(+9000m ~ -500m)

Relative accuracy

0.12hPa

Absolute accuracy

1hPa

Temperature measurement range

-40 ~ +85°C

Temperature resolution

0.01°C

Pressure resolution

0.16Pa

Temperature coefficient offset

1.5 Pa/K(12.6 cm/K)

Current consumption

2.7μA @ 1 Hz sampling rate

Voltage

1.71V - 3.6V

Communication protocol

I2C：0x76

Net Weight

8g

Gross Weight

21g

Produce Size

24*24*13mm

Package Size

35*36*18mm

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