{"product_id":"fermion-bmp585-high-precision-barometric-pressure-temperature-sensor-0-3-hpa-i2c-spi-i3c-df-sen0666","title":"Fermion: BMP585 High-Precision Barometric Pressure \u0026 Temperature Sensor (0.3 hPa, I2C \/ SPI \/ I3C)","description":"\u003cp\u003eThe Fermion: BMP585 High-Precision Barometric Pressure \u0026amp; Temperature Sensor is an ultra-compact, industrial-grade environmental monitoring module designed for space-constrained applications requiring extreme durability. By integrating the next-generation Bosch BMP585 MEMS chip into the \u003cb\u003eminiature Fermion form factor (19×16mm),\u003c\/b\u003e this digital altimeter breakout delivers laboratory-level absolute accuracy of \u003cb\u003e±0.3 hPa and ultra-low noise (\u0026lt; 0.1 Pa RMS) \u003c\/b\u003ewithout occupying valuable PCB real estate. Distinct from standard sensors, the pressure sensing unit features a proprietary gel-filled cavity that provides robust protection against water, humidity, and chemicals. With a sleep current of just 2μA and support for\u003cb\u003e I2C, SPI, and I3C interfaces,\u003c\/b\u003e this miniaturized barometric board is the definitive solution for highly integrated devices such as smart wearables, micro-drones, and portable GPS trackers where size, power efficiency, and environmental resistance are non-negotiable.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eLiquid and Chemical Resistant Design\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eUnlike traditional open-cavity MEMS sensors susceptible to environmental failure, the \u003cb\u003eBMP585\u003c\/b\u003e module utilizes a specialized gel-filled housing. This industrial-grade protective layer effectively shields the sensing element from water intrusion, high humidity, and chemical corrosion without interfering with pressure transmission. Consequently, the ruggedized atmospheric sensor maintains consistent performance in complex outdoor scenarios, such as marine environments, sewer monitoring, or industrial sites, significantly extending the operational lifespan of the hardware.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSuperior Precision and Stability\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDesigned for applications where every centimeter matters, the Fermion environmental sensor achieves an absolute pressure accuracy of ±0.3 hPa and calculates altitude with exceptional fidelity. The integrated low-noise circuitry ensures output noise remains below 0.1 Pa, eliminating the need for aggressive external filtering that causes data lag. This high-fidelity data output makes the digital barometer particularly effective for vertical velocity monitoring in UAVs (drone altitude hold) and detecting minute floor-level changes in indoor navigation systems.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eIntelligent On-Chip Data Processing\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eTo reduce the processing burden on the host microcontroller, the \u003cb\u003eMEMS pressure instrument \u003c\/b\u003efeatures built-in hardware FIFO buffering and a configurable IIR (Infinite Impulse Response) filter. These onboard processing capabilities allow the sensing component to smooth out pressure fluctuations caused by sudden wind gusts or mechanical vibrations directly at the hardware level. This results in cleaner signal output for the main controller, freeing up CPU resources for other critical tasks like flight stabilization or wireless communication.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eVersatile Integration and Efficiency\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eTh pressure sensor is engineered for flexibility, supporting legacy I2C and SPI protocols as well as the modern I3C standard for higher throughput. With an operating current of 200μA during measurement and an ultra-low sleep current of approximately 2μA, the IoT-ready module is perfectly suited for remote, battery-operated deployments. The inclusion of open-source libraries for Arduino and Python further accelerates the development cycle for prototypes involving environmental data logging or smart wearable technology.\u003c\/p\u003e\u003ch2\u003eApplications:\u003c\/h2\u003e\u003cli\u003eUAV\/Drones: Precision altitude hold and obstacle avoidance (waterproof protection).\u003c\/li\u003e\u003cli\u003eOutdoor IoT: Weather stations and environmental monitors in high-humidity zones.\u003c\/li\u003e\u003cli\u003eSports Tech: Altimeters for hiking, climbing, and cycling computers.\u003c\/li\u003e\u003cli\u003eIndoor Navigation: Floor detection and elevator positioning.\u003c\/li\u003e\u003cli\u003eHydrology: Water level detection (air pressure based).\u003c\/li\u003e\u003ch2\u003eSpecification:\u003c\/h2\u003e\u003cp\u003eBasic Parameters\u003c\/p\u003e\u003cli\u003eOperating Voltage: DC 3.3V\u003c\/li\u003e\u003cli\u003eOperating Current: 200μA\u003c\/li\u003e\u003cli\u003eSleep Current: 2μA\u003c\/li\u003e\u003cli\u003eCommunication Interface: I2C \/ I3C \/SPI\u003c\/li\u003e\u003cli\u003eInterface Form: 2.54mm Pin Header Socket\u003c\/li\u003e\u003cli\u003eI2C Address: 0x47 (Default) \/ 0x46\u003c\/li\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eBMP585 Parameters\u003c\/p\u003e\u003cli\u003ePressure Measurement Range: 30 ~ 125 kPa\u003c\/li\u003e\u003cli\u003eTemperature Measurement Range: 0 ~ 65 °C\u003c\/li\u003e\u003cli\u003eAbsolute Pressure Accuracy: ±0.3 hPa (Typ.)\u003c\/li\u003e\u003cli\u003eRelative Pressure Accuracy: ±0.06 hPa \/ 10 kPa (Typ.)\u003c\/li\u003e\u003cli\u003eRelative Altitude Accuracy: ±0.5 m \/ 10 kPa\u003c\/li\u003e\u003cli\u003eTemperature Drift Coefficient: ±0.5 Pa \/ K\u003c\/li\u003e\u003cli\u003ePressure Data Resolution: 1 \/ 64\u003c\/li\u003e\u003cli\u003eUltra-Low Noise: \u0026lt; 0.1 Pa (RMS, without low-pass filter enabled)\u003c\/li\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003ePhysical Dimensions\u003c\/p\u003e\u003cli\u003ePCB Dimensions: 19×16×3.55 mm\u003c\/li\u003e\u003cli\u003eMounting Hole Spacing: 14 mm\u003c\/li\u003e\u003cli\u003eMounting Hole Diameter: 2.0 mm\u003c\/li\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDocuments:\u003c\/h2\u003e\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/SKU_SEN0666_Fermion:_BMP585_Barometric_Pressure_Sensor\" target=\"_blank\"\u003eProduct wiki\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/62d52567aa9508d63a4247a1\/wikien\/5c7f94380358c73200557700b5f1959e.pdf\" target=\"_blank\"\u003eSchematic Diagram\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/62d52567aa9508d63a4247a1\/wikien\/94d6d5401b048aa8341dbbd4d13c49af.pdf\" target=\"_blank\"\u003eDimensions \u0026amp; Component Layout Diagram\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/62d52567aa9508d63a4247a1\/wikien\/ef8c54740c2b8d0d79569d6e79d9de11.rar\" target=\"_blank\"\u003e2D_CAD\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/62d52567aa9508d63a4247a1\/wikien\/346d4ada067370d4dab0cd3fd1cb8f5f.rar\" target=\"_blank\"\u003e3D_STP\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/62d52567aa9508d63a4247a1\/wikien\/fc2edee9d9e889f6127184099dfd9040.pdf\" target=\"_blank\"\u003eBMP585 Chip Datasheet\u003c\/a\u003e\u003c\/li\u003e\u003ch2\u003eProduct Includes:\u003c\/h2\u003e\u003cli\u003eFermion: BMP585 High-Precision Barometric Pressure \u0026amp; Temperature Sensor ×1\u003c\/li\u003e\u003cli\u003e10pin-2.54 Black Single Row Pin Header ×1\u003c\/li\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":42343284244562,"sku":"DF-SEN0666","price":22.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0383\/files\/SEN0666_Main_01.jpg?v=1774161937","url":"https:\/\/www.pakronics.co.nz\/products\/fermion-bmp585-high-precision-barometric-pressure-temperature-sensor-0-3-hpa-i2c-spi-i3c-df-sen0666","provider":"Pakronics®","version":"1.0","type":"link"}