The Fermion BMP585 High-Precision Barometric Pressure & Temperature Sensor is an advanced environmental sensing module engineered for applications requiring exceptional accuracy, durability, and compact integration. Built around the Bosch BMP585 MEMS sensor, this module delivers highly accurate pressure readings with +-0.3 hPa absolute accuracy and ultra-low noise performance below 0.1 Pa RMS. Its compact 19x16mm Fermion form factor makes it ideal for space-constrained designs such as wearables, drones, and portable electronics. The integrated gel-filled cavity enhances resistance to moisture, humidity, and chemicals, ensuring stable performance even in harsh environments.
Designed for modern embedded systems, this sensor supports multiple communication protocols including I2C, SPI, and I3C, enabling seamless integration with microcontrollers and development platforms. With an ultra-low sleep current of just 2uA, it is highly efficient for battery-powered applications. Whether used for altitude sensing, weather monitoring, or indoor navigation, this high-performance barometric sensor module offers reliable and precise environmental data for next-generation smart devices.
Key Features
- High Precision Measurement: +-0.3 hPa absolute accuracy for reliable pressure sensing
- Ultra-Low Noise: < 0.1 Pa RMS for stable and precise readings
- Bosch BMP585 Sensor: Advanced MEMS technology for accurate environmental monitoring
- Compact Form Factor: 19mmx16mm ideal for space-constrained designs
- Multi-Interface Support: Compatible with I2C, SPI, and I3C communication protocols
- Low Power Consumption: 2uA sleep current for battery-operated devices
- Environmental Protection: Gel-filled cavity for resistance to moisture, chemicals, and humidity
- Wide Application Range: Suitable for wearables, drones, GPS devices, and IoT systems
Liquid and Chemical Resistant Design
Unlike standard open-cavity MEMS sensors, which are prone to environmental failure, the BMP585 module has a unique gel-filled housing. This industrial-grade protective coating protects the sensing element from water penetration, excessive humidity, and chemical damage while not interfering with pressure transfer. As a result, the ruggedized atmospheric sensor performs consistently in demanding outdoor scenarios such as marine environments, sewer monitoring, and industrial locations, greatly increasing the hardware's operating lifespan.
Superior Precision and Stability
The Fermion environmental sensor accurately measures absolute pressure (+-0.3 hPa) and calculates altitude with high fidelity, making it ideal for applications where every centimeter counts. The inbuilt low-noise circuitry keeps output noise under 0.1 Pa, removing the need for intensive external filtering, which increases data latency. The digital barometer's high-fidelity data output makes it especially useful for vertical velocity monitoring in UAVs (drone altitude hold) and detecting minute floor-level changes in indoor navigation systems.
Intelligent On-Chip Data Processing
To reduce the processing load on the host microcontroller, the MEMS pressure instrument has hardware FIFO buffering and a programmable IIR (Infinite Impulse Response) filter. These integrated processing capabilities enable the sensing component to smooth out pressure variations produced by unexpected wind gusts or mechanical vibrations at the hardware level. This produces cleaner signal output for the main controller, freeing up CPU resources for more vital activities such as flight stabilization or wireless communication.
Versatile Integration and Efficiency
The pressure sensor is designed for flexibility, supporting both legacy I2C and SPI protocols, as well as the contemporary I3C standard for increased throughput. The IoT-ready module, with an operating current of 200uA during measurement and an ultra-low sleep current of around 2uA, is ideal for remote, battery-powered installations. The incorporation of open-source Arduino and Python modules speeds up the development period for prototypes incorporating environmental data logging or smart wearable technology.
Applications:
- UAV/Drones: Precision altitude holding and obstacle avoidance (waterproof protection).
- Outdoor Internet of Things: Weather stations and environmental monitors are located in high-humidity areas.
- Sports Technology: Altimeters for hiking, climbing, and cycling computers.
- Indoor Navigation: Floor detection and elevator position.
- Hydrology: Water level sensing (air pressure-based).
Package Content:
- Fermion: BMP585 High-Precision Barometric Pressure & Temperature Sensorx1
- 10pin-2.54 Black Single Row Pin Headerx1