SKU: SENS-1190
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Bosch BMP280 Barometric Pressure and Altitude Sensor Module - I2C/SPI Interface

₹28.00 (Inclusive of all taxes)
Out of Stock

The Bosch BMP280 is a high-precision, low-power digital barometric pressure and temperature sensor module compatible with both I2C and SPI interfaces, ideal for integration with Arduino, Raspberry Pi, ESP32, and other 3.3V microcontroller systems for atmospheric sensing and altitude tracking.

Features

  • Bosch Sensortec BMP280 MEMS environmental sensor for precise barometric pressure and temperature measurement.
  • Dual digital interface support: selectable I2C or SPI communication for flexible system integration.
  • Low power consumption with a peak current of 1.12mA, optimized for battery-powered portable devices.
  • High accuracy: ±1 hPa absolute pressure accuracy and ±1.0°C temperature accuracy within specified ranges.
  • Compact breakout module format with unsoldered header pins for easy prototyping and installation.

Out of stock

Description

The BMP280 module integrates Bosch’s next-generation MEMS pressure sensor, succeeding the BMP085/BMP180 series. It provides calibrated digital output for barometric pressure from 300 hPa to 1100 hPa and ambient temperature, enabling precise altitude calculation with an effective resolution of 0.25 meters. The sensor’s low-noise performance and fast conversion time make it suitable for dynamic applications requiring rapid environmental updates.

Designed for 3.3V logic systems (with an operating range of 1.71V to 3.6V), the module is protected against reverse polarity and includes level shifting for reliable communication. Its robust performance across an industrial temperature range (-40°C to +85°C) ensures reliability in diverse environmental monitoring and navigation systems.

Key Features

  • Bosch BMP280 MEMS sensor core with high long-term stability and low hysteresis.
  • Selectable I2C (address 0x76 or 0x77) and SPI serial interfaces for daisy-chaining or bus sharing.
  • Ultra-low power consumption, supporting multiple power modes for optimized battery life.
  • High-value build on a compact PCB with gold-plated castellated pads and standard 0.1" header footprint.
  • Fully calibrated and temperature-compensated digital output for immediate use.
  • Wide operating pressure range suitable for applications from below SEA level to high-altitude drones.
  • Enhanced performance for GPS/GNSS augmentation, improving time-to-first-fix and dead-reckoning accuracy.

Applications

  • GPS/GNSS augmentation and altitude aiding for drone flight controllers and outdoor navigation systems.
  • Weather stations and portable environmental data loggers for barometric pressure and temperature tracking.
  • Indoor navigation and floor detection in smart building and IoT automation systems.
  • Vertical velocity indication (rise/sink speed) for paragliding, skydiving, and sports altimeters.
  • Health and wellness monitoring devices incorporating spirometry and environmental context sensing.

Technical Specifications

Sensor ModelBosch BMP280
Measurement Range (Pressure)300 hPa to 1100 hPa
Pressure Accuracy (700-900 hPa, 25-40°C)±0.12 hPa (relative), ±1 hPa (absolute)
Altitude Resolution0.25 m
Altitude Accuracy (Typical)±1 m
Temperature Range-40°C to +85°C
Temperature Accuracy±1.0°C
Supply Voltage1.71V to 3.6V DC (3.3V typical)
Peak Current Consumption1.12 mA
Digital InterfacesI2C (up to 3.4 MHz) & SPI (up to 10 MHz)
I2C Address0x76 (default) or 0x77 (if SDO is high)
Module Dimensions (LxW)15 mm x 12 mm
Module Weight2 g

Frequently Asked Questions

What is the operating voltage range for the BMP280 module, and what is the recommended supply?

The BMP280 sensor itself operates from 1.71V to 3.6V. The breakout module is designed for a typical 3.3V DC supply. It is crucial not to apply 5V logic directly to the I2C or SPI lines; use a logic level converter if interfacing with a 5V microcontroller.

How do I choose between I2C and SPI communication with this module?

The module supports both interfaces. Use I2C for simpler wiring with fewer pins (SDA, SCL) and easy connection to multiple devices on a bus (mind the address). Choose SPI for higher-speed data transfer or when you need to connect multiple sensors without I2C address conflicts, as SPI allows dedicated chip select lines for each device.

What is the default I2C address, and can it be changed?

The default I2C address is 0x76. The alternate address 0x77 can be selected by pulling the SDO pin high to VDDIO. The address is set by the physical connection on the board and is not software-configurable during runtime.

How accurate is the altitude measurement from the BMP280?

Under stable conditions within its specified pressure range (700-900 hPa) and temperature (25-40°C), the BMP280 can provide relative altitude measurements with a resolution of 0.25 meters and a typical accuracy of ±1 meter. Accuracy depends on correct SEA-level pressure reference and stable environmental conditions.

Does the module require calibration, and are libraries available for Arduino?

The Bosch BMP280 is factory calibrated, and the calibration coefficients are stored in the chip, so no user calibration is required for basic use. Comprehensive libraries (e.g., Adafruit_BMP280, Bosch Sensortec BME280 driver) are available for Arduino, Raspberry Pi, and other platforms to simplify integration and data reading.

Package Includes

  • 1x BMP280 Barometric Pressure and Altitude Sensor Module (PCB breakout).
  • 1x Set of male header pins (unsoldered).

Additional Information

Weight 0.002 kg
Dimensions 1.5 × 1.2 cm