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Gravity: BMP581 Barometric Pressure Sensor I2C UART

DFRobot

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SKU:
147-SEN0665
MPN:
SEN0665
Gravity BMP581 is a high precision barometric pressure and temperature sensor with ultra low noise and dual I2C UART interface. Ideal for drone altitude hold indoor navigation and weather data logging. View full description
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₹798.90 ex. GST
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Technical Specifications

Brand:
DFRobot
Operating Voltage:
DC 3.3~5V
Operating Current:
700uA
Communication Interface:
I2C / UART
Interface Form:
PH2.0-4P (Gravity Pinout) / 2.54mm Pin Header Socket
I2C Address:
0x47 (Default) / 0x46
Pressure Measurement Range:
30 ~ 125 kPa
Temperature Measurement Range:
0 ~ 65 C
Absolute Pressure Accuracy:
+-0.3 hPa (Typ.)
Relative Pressure Accuracy:
+-0.06 hPa / 10 kPa (Typ.)
Relative Altitude Accuracy:
+-0.5 m / 10 kPa
Temperature Drift Coefficient:
+-0.5 Pa / K
Pressure Data Resolution:
1 / 64
Ultra-Low Noise:
0.1 Pa (RMS, without low-pass filter enabled)
PCB Dimensions:
32x27x7.18 mm
Mounting Hole Spacing:
25x20 mm
Mounting Hole Diameter:
3.0 mm

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

Resources:

High Precision Barometric Pressure And Temperature Sensor For Stable Altitude And Environmental Measurement

Gravity BMP581 barometric pressure sensor is a professional grade digital altimeter designed for applications that demand exceptional vertical stability and highly reliable environmental data. Based on the next generation Bosch BMP581 sensor it delivers extremely accurate atmospheric pressure and temperature measurements suitable for precision sensing systems.

The sensor offers best in class absolute pressure accuracy and ultra low noise performance making it ideal for drone altitude hold indoor navigation and meteorological data logging. With native three point three volt and five volt compatibility and support for both I2C and UART communication interfaces the module enables seamless plug and play integration with microcontrollers and embedded platforms where data reliability is critical.

Key Features

  • High Precision Barometric Pressure Measurement
    Delivers absolute pressure accuracy of plus minus zero point three hectopascal
  • Ultra Low Noise Performance
    Provides pressure noise below zero point one pascal for stable altitude detection
  • Integrated Temperature Sensing
    Enables accurate environmental compensation and monitoring
  • Dual Communication Interfaces
    Supports both I2C and UART for flexible system integration
  • Gravity Plug And Play Design
    Native three point three volt and five volt compatibility for easy use

Unparalleled Measurement Accuracy

This barometer monitor is built on a high-performance 24-bit sensor device that can detect minute pressure changes. The gadget has a relative altitude precision of +-0.5 meters, enabling precise vertical tracking. Unlike ordinary sensors, this atmospheric pressure module eliminates temperature drift (+-0.5 Pa/K), ensuring data consistency in variable thermal settings. This level of precision is required to transform pressure readings into accurate altitude data for navigation and positioning purposes.

Intelligent Data Processing and Stability

To fight environmental noise and data jitter, the BMP581 breakout board includes powerful digital linearity correction algorithms. It includes a hardware FIFO (First-In-First-Out) buffer and a programmable IIR (Infinite Impulse Response) filter. These integrated processing capabilities enable the environmental sensor to smooth out signal disruptions entirely using hardware, considerably decreasing the computing strain on the main controller. As a result, the output is stable and noise-free, making it suited for dynamic applications such as quadcopter stabilization and hiking elevation tracking.

Optimized Power Efficiency

Designed for portable and battery-operated projects, the sensing unit consumes just about 700μA of current. The use of non-volatile memory (NVM) enables for the preservation of user configurations, ensuring that the device retains settings without continual re-initialisation. This efficiency extends the operating life of remote IoT nodes and wearable devices that require continual environmental monitoring.

Seamless Integration and Compatibility

The module is designed to be universally compatible inside the open-source hardware ecosystem. The pressure sensor board supports both I2C and UART protocols, providing flexibility communication choices for a variety of microcontrollers. The inclusion of voltage translation circuitry allows for direct interoperability with both 3.3V and 5V systems, avoiding the need for external level shifters. When combined with the standard Gravity interface, the sensor module offers plug-and-play prototyping, minimizing the time necessary for wiring and system validation.

Applications

  • Drone flight controllers support altitude hold and vertical stability.
  • Navigation: GPS augmentation (dead reckoning) and floor-level detection.
  • Weather monitoring: It includes personal weather stations as well as environmental logging.
  • Sports Technology:  It includes altimeters for hiking and fitness trackers.

Package Includes:

  • Gravity: BMP581 High-Precision Barometric Pressure & Temperature Sensorx1
  • PH2.0-4P Sensor Connection Cablex1
  • 10pin-2.54 Black Single Row Pin Headerx1