BME280 Sensor Module

Overview

BME280 Sensor Module – Temperature, Humidity & Barometric Pressure Sensor

The BME280 Environmental Sensor Module is a compact, high-precision sensor designed to measure ambient temperature, relative humidity, and barometric pressure in a single module. Built with Bosch’s advanced MEMS sensing technology, it provides accurate environmental data while consuming very little power, making it ideal for IoT, weather monitoring, smart home, and battery-powered projects.

This module communicates through the I²C interface and is fully compatible with Arduino, ESP32, Raspberry Pi, STM32, and other microcontroller platforms. Its small size and easy-to-use pinout make integration simple for both beginners and professional developers.

Whether you're building a weather station, greenhouse monitor, indoor air quality system, or altitude-measuring device, the BME280 delivers reliable environmental sensing in a compact package.

Key Features

• Measures temperature, humidity, and atmospheric pressure

• High accuracy and excellent long-term stability

• Low power consumption for portable projects

• I²C communication interface

• Compact breakout board design

• Easy integration with popular development boards

• Ideal for indoor and outdoor environmental monitoring

Technical Specifications

• Sensor Model: BME280

• Measured Parameters:

  • Temperature

  • Relative Humidity

  • Barometric Pressure

• Temperature Range: -40°C to +85°C

• Humidity Range: 0% to 100% RH

• Pressure Range: 300 hPa to 1100 hPa

• Temperature Accuracy: ±1°C (typical)

• Humidity Accuracy: ±3% RH (typical)

• Pressure Accuracy: ±1 hPa (typical)

• Interface: I²C

• Operating Voltage: 3.3V (many modules are 5V tolerant)

• Pinout:

  • VIN

  • GND

  • SCL

  • SDA

Why Choose the BME280?

The BME280 combines three environmental sensors into one tiny module, reducing wiring complexity and saving space on your project. It offers:

• Accurate weather and climate measurements

• Stable readings over time

• Low power operation for battery-powered systems

• Simple I²C communication with minimal wiring

It is one of the most popular sensors for environmental monitoring and IoT applications.

Applications

• Weather stations

• Smart home automation

• Indoor climate monitoring

• Greenhouse control systems

• Altitude and elevation measurement

• IoT sensor nodes

• Data logging systems

• Portable environmental monitors

• Arduino and ESP32 projects

Package Includes

• 1x BME280 Sensor Module

• 1x Header Pin Strip

Advantages

• Three sensors in one module

• Compact and lightweight

• Easy to connect and program

• Low power consumption

• Reliable and accurate measurements

• Compatible with Arduino, ESP32, Raspberry Pi, and STM32