BME280 Barometric Pressure, Temperature and Humidity Sensor for Arduino and Raspberry Pi

Name: BME280 Barometric Pressure, Temperature and Humidity Sensor for Arduino and Raspberry Pi
Brand: satkit
SKU: G000101-BME280
Price: 7.38 EUR
Availability: InStock

Brand: satkit

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7.38€

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The BME280 sensor is an advanced version of the BMP280, designed to provide accurate digital measurements of temperature, atmospheric pressure and relative humidity. This module is perfect for electronics projects that require reliable environmental data, especially weather stations or environmental monitoring systems.

Manufactured by Bosch, the BME280 stands out for its high accuracy and ease of integration with popular platforms such as Arduino and Raspberry Pi. Its communication is flexible, supporting I2C and SPI protocols, which makes connection and setup easier in a wide range of projects.

In addition, the module includes a voltage regulator that allows it to operate in a voltage range of 3V to 5V, increasing its compatibility with different systems and microcontrollers.

Main features:

Temperature measurement: range from -40 to +85°C, ideal for varied environments.
Atmospheric pressure sensor: 300 to 1100 hPa with an accuracy of ±0,25%, equivalent to a change of 1 metre for every 400 metres of altitude.
Humidity sensor: relative accuracy of ±3% with 2% hysteresis.
Communication interface: compatible with I2C and SPI for maximum flexibility.
Voltage range: 1,71 to 3,6V, with the option to operate at 5V using a 3,3V level converter.

Typical uses:

Home or professional weather stations.
Home automation projects for environmental control.
Monitoring atmospheric conditions in precision agriculture.
Educational and development applications with Arduino and Raspberry Pi.

Compatibility:

This sensor is compatible with Arduino and Raspberry Pi platforms, making it easy to integrate into electronics and programming projects. Its support for I2C and SPI protocols allows it to adapt to different hardware configurations.

The BME280 barometric pressure, temperature and humidity sensor for Arduino is an essential tool for anyone looking for precision and versatility in environmental measurement.

Accurate temperature measurement (-40 to +85°C)
Atmospheric pressure sensor (300 to 1100 hPa) with ±0,25% accuracy
Humidity sensor with ±3% relative accuracy
Compatible with I2C and SPI interfaces
Works with 3V to 5V thanks to the built-in regulator

Customer Questions & Answers

What technical differences are there between the BME280 sensor and other sensors such as the BMP180 or DHT22 in terms of accuracy and functions?

The BME280 measures temperature, pressure and humidity simultaneously, whereas the BMP180 only measures pressure and temperature, and the DHT22 only measures temperature and humidity. In terms of accuracy, the BME280 stands out: ±1°C for temperature, ±0.25% hPa for pressure and ±3% relative humidity, outperforming the DHT22 (±0.5°C, ±2–5% RH) and the BMP180 (±1°C, ±1 hPa). This makes it more versatile and accurate for weather applications.

What are the physical dimensions and weight of the BME280 module, and what is included in the package?

The typical BME280 module measures approximately 15 x 12 mm and weighs less than 2 grams. It usually includes the board with the sensor soldered on, header pins for soldering/connection and a basic connection guide. No cables or additional housings are included.

What are the main recommendations for installing the BME280 and avoiding incorrect readings caused by environmental interference?

For reliable measurements, install the BME280 in well-ventilated areas, away from direct heat sources, condensed moisture or forced air currents. Avoid contact with water or dust. For fixed projects, a microporous mesh enclosure is suggested to protect it without affecting response.

What is the sensor's service life, and are there spare parts or a warranty for the BME280?

The BME280 has an estimated service life of more than 5 years under normal operating conditions (0–90% RH without condensation, -40 to 85°C). There are no internal spare parts; the complete module is replaced in the event of failure. Warranty depends on the distributor, usually limited to manufacturing defects for 3 to 12 months.

What devices is the BME280 sensor compatible with?

It is compatible with Arduino and Raspberry Pi platforms, supporting I2C and SPI communication protocols.

What temperature range can the BME280 sensor measure?

The sensor measures temperatures from -40 to +85 degrees Celsius.

Can the BME280 sensor be used with 5V?

Yes, it can operate with 5V using a 3,3V level converter.

What advantages does the BME280 have over the BMP280?

The BME280 also measures air humidity, while the BMP280 only measures pressure and temperature.