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# BME280 sensor API

### Sensor overview

BME280 is a combined digital humidity, pressure and temperature sensor based on proven sensing principles.
Its small dimensions and its low power consumption allow the implementation in battery driven devices such as
handsets, GPS modules or watches.

### Target Application
- Context awareness, e.g.skin detection, room change detection.
- Fitness monitoring / well-being
- Home automation control
- Internet of things
- GPS enhancement(e.g.time-to-first-fix improvement, dead reckoning, slope detection)
- Indoor navigation(change of floor detection, elevation detection)
- Outdoor navigation, leisure and sports applications
- Weather forecast
- Vertical velocity indication(rise/sink speed)

### Feature
- Pressure
- Temperature
- Humidity

### Important links

- [BME280 product page](https://www.bosch-sensortec.com/products/environmental-sensors/humidity-sensors-bme280/)
- [BME280 datasheet](https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf)
- [BME280 shuttle board flyer](https://www.bosch-sensortec.com/media/boschsensortec/downloads/shuttle_board_flyer/application_board_3_1/bst-bme280-sf000.pdf)
- [Community support page](https://community.bosch-sensortec.com)
# BME280 Environmental Sensor

---

## Table of Contents
- [Sensor Overview](#sensor-overview)
- [Target Applications](#target-applications)
- [Key Features](#key-features)
- [Important Resources](#important-resources)

---

### Sensor Overview
The **BME280** is an integrated environmental sensor that measures **humidity**, **pressure** and **temperature** using proven digital sensing technology.

With its ultra-compact size and extremely low power consumption, it is ideal for battery-powered mobile and wearable applications such as smartphones, smartwatches, fitness trackers and portable GPS devices.

---

### Target Applications
- *Context awareness (skin detection, room change detection)*
- *Fitness & well-being monitoring*
- *Home automation and HVAC control*
- *Internet of Things (IoT) applications*
- *GPS enhancement (faster time-to-first-fix, dead reckoning, slope detection)*
- *Indoor navigation (floor detection, elevation changes)*
- *Outdoor navigation, leisure & sports*
- *Weather station / local forecast*
- *Vertical speed indication (climb/sink rate)*

---

### Key Features
- *High-precision pressure sensing*
- *Accurate temperature measurement*
- *Reliable humidity measurement with fast response*
- *Ultra-low power consumption*
- *Extremely small footprint: **2.5 × 2.5 × 0.93 mm***
- *Supports both **I²C** and **SPI** digital interfaces*
- *Excellent long-term stability*
- *High electromagnetic compatibility (EMC)*

---

### Important Resources
- [Official Product Page](https://www.bosch-sensortec.com/products/environmental-sensors/humidity-sensors-bme280/)
- [Complete Datasheet](https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf)
- [Shuttle Board Flyer](https://www.bosch-sensortec.com/media/boschsensortec/downloads/shuttle_board_flyer/application_board_3_1/bst-bme280-sf000.pdf)
- [Bosch Sensortec Community](https://community.bosch-sensortec.com)