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
| Parameter | Specification |
|---|---|
| Sensor Model | BMP280 |
| Sensor Type | Digital Barometric Pressure Sensor |
| Pressure Range | 300 – 1100 hPa |
| Relative Accuracy | ±0.12 hPa |
| Absolute Accuracy | Typical ±1 hPa |
| Temperature Range | -40℃ to +85℃ |
| Communication Interface | I2C / SPI |
| Supply Voltage | 1.71V – 3.6V |
| Current Consumption | Approx. 2.7μA |
| PCB Size | Approx. 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 Pin | Arduino |
|---|---|
| VCC | 3.3V |
| GND | GND |
| SCL | SCL |
| SDA | SDA |
SPI Connection
| BMP280 Pin | Function |
|---|---|
| VCC | Power |
| GND | Ground |
| SCK | SPI Clock |
| SDI | SPI Data |
| SDO | SPI Address |
| CSB | Chip 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.
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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