BMP280 Barometric Pressure & Temperature Sensor Module🧭

The BMP280 is a high-precision barometric pressure and temperature sensor module with dual communication interfaces (I2C and SPI). Designed for reliable atmospheric data acquisition, it achieves accuracies of ±1 hPa (pressure), ±1.0°C (temperature), and approximately ±1 meter (altitude). This compact module is ideal for Arduino, Raspberry Pi, and other microcontroller-based projects in sensing, navigation, and environmental monitoring.

✅ Key Features

• I2C/SPI interfaces for flexible integration with popular development boards
• High-accuracy measurements for pressure, temperature, and derived altitude
• Wide operating temperature range for harsh environments
• Low-power design suitable for battery-operated electronics modules
• Compact footprint for space-constrained projects

📌 Applications

The BMP280 is engineered for a wide range of applications across consumer, industrial, and hobbyist projects:

• 📡 GPS enhancement: Improve navigation with accurate temperature, pressure, and altitude data
• 🏢 Indoor navigation: Floor-level and elevator detection
• ⛷️ Outdoor navigation: Sports and entertainment applications
• 🌦️ Weather forecasting and environmental monitoring stations
• 🏥 Healthcare and wellness devices requiring ambient sensing
• 🛫 Vertical speed display (ascent/descent rate)

🔧 Technical Specifications

• Pressure Range: 300–1100 hPa (approx. -500 m to +9000 m relative to sea level)
• Input Voltage (VDD): 1.71 V – 3.6 V
• Current: 1.12 mA
• Working Pressure: 300 hPa – 1100 hPa
• Operating Temperature: -40°C to +85°C
• Accuracy: ±1 hPa (pressure), ±1.0°C (temperature), ±1 m (altitude)
• Interfaces: I2C and SPI
• Size: 12 × 15 × 2 mm

🧩 Compatibility & Integration

• Works seamlessly with Arduino, Raspberry Pi, ESP8266/ESP32, and other microcontrollers
• Use standard libraries in C/C++ (Arduino) and Python (Raspberry Pi)
• For 5 V boards (e.g., Arduino Uno), use appropriate level shifting and 3.3 V voltage supply as required by the module

📦 Package Contents

• 1 × BMP280 Barometric Pressure and Altitude Sensor I2C/SPI Module
• 1 × Pin header (unsoldered)

💡 Notes

• Altitude is calculated from barometric pressure and depends on local sea-level pressure; calibrate for best results.
• Ensure proper PCB layout and shielding in noise-sensitive designs for optimal precision.

Whether you are building a weather station, improving navigation, or logging environmental data, the BMP280 is a dependable choice among electronics components and sensor modules for your next project.