The 7Semi BME280 Temperature, Humidity & Pressure Sensor Breakout is a compact environmental sensing module for measuring temperature, relative humidity, and barometric pressure. Built around the Bosch BME280, it supports I²C and SPI communication and is suitable for IoT devices, weather stations, HVAC, smart home systems, greenhouse monitoring, and embedded applications.
Key Features
-
High Accuracy Readings
Delivers humidity readings with ±3% accuracy, barometric pressure with ±1 hPa accuracy, and temperature measurements with ±1.0°C accuracy. -
Supports I2C and SPI Interfaces
Flexible connection options support both I2C for simple wiring and SPI for multi-sensor environments without address conflicts. -
Wide Microcontroller Compatibility
Works with both 3V and 5V logic microcontrollers, making it suitable for Arduino, ESP8266, ESP32, and Raspberry Pi. -
Compact and Durable Design
Small footprint of 19.0mm x 19.0mm ideal for embedded systems and portable applications. Built-in 3.3V regulator and level shifting circuit ensure robust performance. -
Altitude Measurement Capabilities
Acts as a reliable digital altimeter with ±1 meter or better accuracy, thanks to its precise pressure sensor and low altitude noise of just 0.25m. -
Low Power Consumption and Fast Conversion Times
Optimised for energy-efficient applications, the sensor offers quick response times ideal for real-time environmental monitoring.
Resources
- Datasheet
- BME280 Temperature Humidity Pressure Sensor Board 3D STEP file
- BME280 Sensor Board dxf file
BME280 Breakout I2C Connections to Arduino

BME280 Breakout SPI Connections to Arduino

- Category:
- Enviroment sensors
- Communication interface:
- I2C
- I2C address:
- 0x76
- Operational voltage:
- 3.6V to 5.5V
- integrated heater:
- Not available for this product
- Measures:
- Pressure, Humidity, Temprature
- Operational Temperature:
- -40C to 85C
- Temperature accuracy:
- 0.5C
- Operational Humidity range:
- 0 to 100%RH
- Humidity accuracy:
- 3%RH
- Pressure range:
- 300 to 1100hPa
- Pressure accuracy:
- 1hPa
- Board Dimensions:
- 28mm x 19mm x 4.74mm