# BME280

> Humidity sensor measuring relative humidity, barometric pressure and ambient temperature

**Wikidata**: [Q110972314](https://www.wikidata.org/wiki/Q110972314)  
**Source**: https://4ort.xyz/entity/bme280

## Summary
The BME280 is a compact integrated circuit sensor manufactured by Robert Bosch that simultaneously measures relative humidity, barometric pressure, and ambient temperature. It combines three environmental sensing functions into a single, miniature device for comprehensive environmental monitoring.

## Key Facts
- Manufacturer: Robert Bosch
- Measures: atmospheric pressure, humidity, temperature
- Instance of: integrated circuit, sensor
- Dimensions: width 2.5 millimetres, height 2.5 millimetres
- Image: https://commons.wikimedia.org/wiki/Special:FilePath/BME280.jpg
- Sitelink count: 1
- Commons category: Bosch BME280
- Wikipedia languages: commons
- Classification: Electronic circuit formed on a small, flat piece of semiconductor material

## FAQs
- What environmental parameters does the BME280 measure?  
  The BME280 measures relative humidity, barometric pressure, and ambient temperature simultaneously in a single device.

- What type of device is the BME280 classified as?  
  It is classified as both an integrated circuit and a sensor, representing an electronic circuit formed on semiconductor material.

- Who manufactures the BME280?  
  The BME280 is manufactured by Robert Bosch, a German multinational engineering and technology company.

- What are the physical dimensions of the BME280?  
  The BME280 has a width of 2.5 millimetres and a height of 2.5 millimetres, making it extremely compact.

- How is the BME280 represented in Wikimedia Commons?  
  It is categorized under "Bosch BME280" in Wikimedia Commons and has one sitelink.

## Why It Matters
The BME280's integration of humidity, pressure, and temperature sensing into a single miniature chip revolutionizes environmental monitoring by eliminating the need for multiple discrete sensors. Its compact size and multi-parameter capabilities enable applications in weather stations, indoor climate control systems, and portable environmental devices where space efficiency is critical. By providing comprehensive atmospheric data in one package, it simplifies design complexity while improving measurement accuracy and reliability for scientific and consumer applications.

## Notable For
- Combining three distinct environmental measurements (humidity, pressure, temperature) into a single integrated circuit
- Ultra-compact dimensions of 2.5 mm × 2.5 mm
- Manufactured by Robert Bosch, a leader in automotive and industrial sensor technology
- Being a multi-parameter sensor that eliminates the need for separate humidity and pressure sensors
- Its classification as both an integrated circuit and a sensor, bridging semiconductor and sensor technologies

## Body
### Overview
The BME280 is a multi-parameter environmental sensor designed to measure relative humidity, barometric pressure, and ambient temperature simultaneously. As an integrated circuit, it embodies the electronic circuit formed on a small, flat piece of semiconductor material, combining sensing and processing capabilities in a single package.

### Technical Specifications
- **Dimensions**: Precisely engineered at 2.5 millimetres in width and 2.5 millimetres in height, enabling integration into space-constrained devices.
- **Measurement Capabilities**:  
  - Atmospheric pressure for altitude and weather forecasting  
  - Relative humidity for moisture content assessment  
  - Ambient temperature for thermal monitoring  
- **Physical Form**: Surface-mount device compatible with standard PCB assembly processes.

### Classification
- **Instance Of**:  
  - Integrated circuit: Electronic circuit formed on semiconductor material  
  - Sensor: Device that detects and responds to environmental changes  
- **Relationships**: Classified under the "Bosch BME280" category in Wikimedia Commons, reflecting its manufacturer and product designation.

### Manufacturer
- **Robert Bosch**: German multinational engineering and technology company specializing in automotive components, industrial technology, and consumer goods. The BME280 represents Bosch's expertise in precision sensor manufacturing for environmental monitoring applications.

### Digital Presence
- **Image**: Visual documentation available at [Wikimedia Commons](https://commons.wikimedia.org/wiki/Special:FilePath/BME280.jpg)  
- **Sitelink Count**: Maintains one verified sitelink across Wikimedia platforms  
- **Wikipedia Coverage**: Available in the "commons" language category of Wikipedia, indicating multilingual accessibility  
- **Categorization**: Listed under "Bosch BME280" in Wikimedia Commons for systematic organization and discovery.