BME280 Temperature, Humidity & Pressure Sensor Module

The BME280 is a compact, low-power digital environmental sensor designed to measure temperature, relative humidity, and atmospheric pressure. It combines three sensing capabilities in one module, making it suitable for environmental monitoring and embedded electronics projects.

With support for both I2C and SPI communication, the BME280 can be integrated into a wide range of microcontroller-based applications, including weather stations, IoT devices, and smart home systems.

Key Features

• Three-in-One Sensing: Measures temperature, humidity, and atmospheric pressure.
• High Accuracy: Typical module specifications include temperature accuracy of ±1°C, humidity accuracy of ±3% RH, and pressure accuracy of ±1 hPa.
• Dual Communication Interfaces: Supports I2C and SPI.
• Wide Measurement Range: Temperature from −40°C to +85°C and pressure from 300 to 1100 hPa.
• Low Power Consumption: Suitable for battery-powered applications.
• Altitude Estimation: Atmospheric pressure readings can be used to estimate altitude.
• Compact Design: Suitable for space-constrained electronic projects.

Applications

• Weather stations and forecasting
• IoT environmental monitoring
• Smart home automation
• Indoor climate monitoring
• Greenhouse and agricultural monitoring
• Altitude and pressure measurement
• Robotics and embedded systems

Technical Specifications

Note: Verify the breakout board’s pinout and voltage requirements before connecting it to a microcontroller. The sensor IC operates at low voltage, and module-level specifications may vary.