1、Low Power Consumption: This atmospheric pressure board has very high temperature stability, low drift, low power consumption (sleep current of only 54uA, maximum power measurement mode of 650uA) and low noise impact (less than 0.02Pa). 2、High Accuracy: The maximum absolute accuracy of this atmospheric pressure board is less than 50 Pa, and the relative accuracy can reach ±3 Pa (equivalent to 25 cm), which is 166.7% higher than the previous generation, ensuring the accuracy of the measurement. 3、Reliable Readings: The atmospheric pressure board is designed to work in harsh environmental conditions and offers reliable readings even in extreme temperatures. 4、Wide Application: The atmospheric pressure board is suitable for vertical speed indication (e.g. ascent and descent speed), GPS navigation enhancement (e.g. improved initial positioning time, heading projection, slope detection), indoor navigation and positioning (indoor detection, lift detection), outdoor navigation, leisure and sports applications, weather forecasting, healthcare applications (e.g. spirometry), fitness applications (e.g. enhanced calorimetry), augmented reality and virtual reality applications, situational awareness, industrial IoT devices. 5、Wide Measurement Range: With a measurement range of 300-1250hPa, this atmospheric pressure board is ideal for applications such as indoor positioning where GPS signal coverage is not available. Item Type: Atmospheric Pressure Board Material: PCB Operating Current: Sleep mode (54uA) Normal mode (357-650uA) Interface Mode: I2C SPI Pressure Sensing Range: 300-1250 hPa Relative Accuracy: ±0.03hPa (at 700-1100hPa,25-40°C) Absolute Accuracy: ±0.50hPa Temperature Offset Factor: ±0.6 Pa/K (at 900hPa,25-40°C) ODR Accuracy: ±2 to ±12% Start up Time: 2ms Operating Temperature Range: -40°C to +85°C (full accuracy measurement available at 0°C to +65°C) SHUZI 1 x Atmospheric Pressure Board 1 x Pin Header