7Semi BMP581 Barometric Pressure & Altitude Sensor Breakout

The 7Semi BMP581 Barometric Pressure & Altitude Sensor Breakout is a high-performance environmental sensing module based on the Bosch BMP581 pressure sensor. It provides precise barometric pressure, altitude, and temperature measurements with extremely low noise and excellent stability. With digital interfaces, low power consumption, and a compact breakout design, this module is ideal for drones, wearables, weather stations, environmental monitoring, indoor navigation, and portable IoT applications.

Technical Specifications:

• Sensor IC: Bosch BMP581
  
• Measurement Parameters: Barometric pressure, altitude, temperature
  
• Pressure Range: 30 to 125 kPa
  
• Absolute Pressure Accuracy: ±30 Pa (typical)
  
• Relative Pressure Accuracy: ±6 Pa (typical, 700–1100 hPa range)
  Pressure Noise: ~0.08 Pa (lowest bandwidth settings)
  
• Temperature Range: –40°C to +85°C
  
• Supply Voltage (VDD): 1.65V to 3.6V
  
• I/O Voltage (VDDIO): 1.08V to 3.6V
  
• Interfaces: I²C, I³C, SPI (3-wire and 4-wire)
  
• Maximum Output Data Rate: Up to ~480 Hz
  
• Power Consumption: ~1.3 µA at 1 Hz measurement; ultra-low standby current
  
• Output Type: Digital pressure, altitude, and temperature data
  
• Sensor Type: Absolute barometric pressure sensor

Features:

• High-precision barometric pressure sensing
  
• Very low noise and excellent stability for accurate altitude detection
  
• Digital output via I²C, I³C, or SPI for flexible integration
  
• Fast sampling rates suitable for drones, robotics, and motion applications
  
• Ultra-low power consumption for battery-powered devices
  
• Wide pressure and temperature operating range
  
• Compact breakout board ideal for embedded and IoT designs
  
• Suitable for both indoor and outdoor atmospheric measurements
  
• High resolution enables fine altitude changes to be detected
  
• Ideal for consumer, industrial, and scientific applications

Applications:

• Weather monitoring and barometric pressure systems
  
• Altimeter and elevation tracking for drones and UAVs
  
• Wearable fitness devices (climb detection, stair counting)
  
• Indoor navigation and pressure-based floor detection
  
• Environmental sensing stations
  
• IoT weather and climate devices
  
• Portable barometer and altimeter tools
  
• Robotics and autonomous navigation
  
• Research and data-logging applications
  
• Smart-home atmospheric monitoring systems