Gravity: BMP585 High-Precision Barometric Pressure & Temperature Sensor

Resources:

• Product wiki
• Schematic Diagram
• Dimensions & Component Layout Diagram
• 2D_CAD
• 3D_STP
• BMP585 Chip Datasheet

Gravity: BMP585 High-Precision Barometric Pressure & Temperature Sensor (I2C / UART)

The Gravity BMP585 is a high-precision barometric pressure and temperature sensor designed for accurate environmental monitoring in industrial, IoT, weather, and altitude-sensing applications. Built on Bosch’s advanced MEMS technology, it delivers exceptional pressure accuracy, ultra-low noise, and stable temperature measurement. The sensor supports low power operation, making it ideal for battery-powered systems, while the Gravity interface ensures easy integration with microcontrollers such as Arduino, ESP32, and Raspberry Pi for rapid prototyping and deployment.

Key Features

• High-Precision Pressure Measurement – Offers excellent pressure accuracy and resolution, suitable for altitude estimation and weather monitoring
• Accurate Temperature Sensing – Provides stable and reliable ambient temperature data across a wide operating range
• Ultra-Low Power Consumption – Optimised for energy-efficient designs, ideal for portable and IoT devices
• Bosch MEMS Technology – Ensures long-term stability, reliability, and consistent performance
• Gravity Interface Compatibility – Enables quick plug-and-play connection with popular development boards
• Wide Application Support – Suitable for drones, altimeters, weather stations, smart agriculture, and industrial automation

Industrial-Grade Durability with Liquid-Proof Design

Environmental pollutants provide a significant barrier for typical MEMS pressure devices. The Gravity: BMP585 overcomes this issue with a specific gel-filled chamber design and an industrial-grade protective cover. This design enables the waterproof barometer instrument to function reliably even in the presence of water, humidity, and other corrosive substances. The ruggedized pressure monitor provides long-term stability and prolonged service life in tough outdoor situations where regular components would decay or fail.

Laboratory-Level Precision and Ultra-Low Noise

At the heart of our altitude measurement solution is the ability to provide high data fidelity. The module has an absolute pressure accuracy of +-0.3 hPa and a relative accuracy of +-0.06 hPa, providing reliable measurements from 30 to 125 kPa. Furthermore, the ultra-low noise level (<0.1 Pa RMS) avoids the need for intensive external filtering, which can cause latency. This level of sensitivity enables the high-precision altimeter to detect floor-level elevation changes in interior navigation systems and to maintain rock-steady hovering altitude for UAVs and drones.

Intelligent On-Chip Data Processing

To support dynamic applications, the digital barometer integrates advanced hardware features including a FIFO (First In, First Out) buffer and a configurable Infinite Impulse Response (IIR) filter. The internal hardware FIFO reduces the polling frequency required from the host microcontroller, thereby saving system power and freeing up processing resources. Simultaneously, the built-in filtering algorithms smooth out data jitter caused by sudden airflow or environmental disturbances. This results in a cleaner, more stable signal output from the atmospheric sensor, which is critical for real-time control systems like drone flight controllers.

Flexible Integration and Wide Compatibility

The environmental data recorder is designed to integrate seamlessly into existing ecosystems and supports both the I2C and UART communication protocols. The unit's wide-voltage architecture provides compatibility with both 3.3V and 5V logic levels, letting it plug-and-play with popular controllers like the ESP32, Raspberry Pi, and Arduino. The availability of open-source code libraries streamlines the development cycle, enabling for rapid deployment in both prototype and mass production scenarios.