BMP280 Barometric Pressure Sensor Module GY-BMP280 3.3V

$0.22

GY-BMP280-3.3 BMP280 Barometric Pressure Sensor Module with I2C/SPI interface for Arduino, ESP32 and Raspberry Pi projects.

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Description

BMP280 Barometric Pressure Sensor Module for Accurate Measurement

The BMP280 Barometric Pressure Sensor is a high-performance digital environmental sensor module designed for accurate atmospheric pressure and temperature measurement.

Based on the Bosch BMP280 sensor, this module provides excellent accuracy, low power consumption, and flexible communication options through I2C and SPI interfaces.

It is widely used in Arduino projects, weather monitoring systems, altitude measurement applications, and portable electronics.


High Accuracy Atmospheric Pressure Measurement

The Atmospheric Pressure Sensor measures air pressure changes with high precision, allowing users to estimate altitude variations and monitor environmental conditions.

With built-in temperature compensation, the BMP280 provides stable measurement performance across different operating environments.


Product Features

  • Original Bosch BMP280 sensor chip
  • High accuracy barometric pressure measurement
  • Temperature measurement support
  • Low power consumption design
  • I2C and SPI communication interface
  • Compatible with Arduino, ESP32 and Raspberry Pi
  • Compact PCB design
  • Easy integration for DIY electronics projects

Technical Specifications

ParameterSpecification
Sensor ModelBMP280
Sensor TypeDigital Barometric Pressure Sensor
Pressure Range300 – 1100 hPa
Relative Accuracy±0.12 hPa
Absolute AccuracyTypical ±1 hPa
Temperature Range-40℃ to +85℃
Communication InterfaceI2C / SPI
Supply Voltage1.71V – 3.6V
Current ConsumptionApprox. 2.7μA
PCB SizeApprox. 11.5 × 15mm

I2C and SPI Communication

The BMP280 Sensor Module supports both I2C and SPI communication modes.

This makes it easy to connect with different development platforms:

Arduino BMP280 Projects

Common applications:

  • Weather stations
  • Altitude meters
  • Environmental monitoring

ESP32 Applications

The sensor can be integrated into IoT projects requiring:

  • Real-time pressure monitoring
  • Data logging
  • Smart devices

Raspberry Pi Projects

Suitable for:

  • Python sensor applications
  • Educational experiments
  • Portable monitoring systems

Altitude Measurement Applications

Because atmospheric pressure changes with altitude, the Altitude Sensor Module can be used to estimate height differences.

Typical applications include:

Weather Monitoring

Measure atmospheric changes for local weather data collection.

Drone and Robotics Projects

Provide altitude information for navigation assistance.

Outdoor Electronics

Used in portable devices requiring environmental sensing.


Wiring Guide

I2C Connection

BMP280 PinArduino
VCC3.3V
GNDGND
SCLSCL
SDASDA

SPI Connection

BMP280 PinFunction
VCCPower
GNDGround
SCKSPI Clock
SDISPI Data
SDOSPI Address
CSBChip Select

Why Choose Our BMP280 Sensor Module?

Compared with traditional analog pressure sensors, the BMP280 Barometric Pressure Sensor Module provides digital output, better accuracy, and easier integration.

Its compact size and low power consumption make it an excellent choice for engineers, makers, students, and IoT developers.


Applications

The BMP280 Sensor Module is commonly used in:

  • Arduino weather stations
  • IoT environmental monitoring
  • Altitude measurement devices
  • Drone projects
  • Robotics systems
  • Smart wearable devices
  • Educational electronics projects

Building an environmental monitoring project? You can also explore our Temperature & Humidity Sensors and Arduino Development Boards for complete sensor solutions.

  1. DHT22 Temperature Humidity Sensor
  2. Arduino UNO R3 Board

Learn More

Want to see how this module works? Watch this tutorial video and learn how to connect and use it in your DIY project.


FAQ

Q1: What is a BMP280 Barometric Pressure Sensor used for?

The BMP280 Barometric Pressure Sensor is used to measure atmospheric pressure and temperature. It is commonly used for altitude measurement, weather monitoring, and IoT applications.


Q2: Is BMP280 compatible with Arduino?

Yes. The BMP280 Sensor Module supports Arduino platforms through I2C or SPI communication.


Q3: What is the difference between BMP180 and BMP280?

BMP280 provides improved accuracy, lower power consumption, and better performance compared with the older BMP180 sensor.


Q4: Can BMP280 measure altitude?

Yes. The sensor can estimate altitude changes by calculating variations in atmospheric pressure.


Q5: Does BMP280 work with ESP32?

Yes. BMP280 is widely used with ESP32 because it supports digital communication through I2C and SPI.

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