Description
Discover the Adafruit LPS25 Pressure Sensor based on the ST LPS25HB chip, designed for precise absolute pressure measurements. Ideal for weather monitoring or altitude detection, it measures a wide range of 260-1260 hPa with 24-bit resolution and up to 25 readings per second.
This sensor breakout features level shifting and a regulator, making it compatible with both 3.3V and 5V logic level devices such as Raspberry Pi, Arduino, and Metro boards. Thanks to the inclusion of SparkFun Qwiic-compatible STEMMA QT connectors, it requires no soldering for easy plug-and-play connectivity using compatible cables.
Key advantages include high accuracy (±0.2 hPa after calibration), fast update rates, and ease of integration supported by Arduino and CircuitPython libraries with example code.
Features:
- Wide pressure range: 260-1260 hPa
- 24-bit pressure measurements at up to 25 Hz
- High accuracy: ±0.2 hPa after calibration
- Compatible with 3.3V and 5V logic levels
- Onboard level shifting and voltage regulator
- STEMMA QT / Qwiic connectors for no-solder I2C connection
- Fully supported by Arduino and CircuitPython libraries
Technical Specifications:
- Sensor Model: ST LPS25HB
- Measurement Range: 260-1260 hPa
- Data Resolution: 24-bit
- Output Rate: Up to 25 Hz
- Accuracy: ±0.2 hPa (after calibration), ±1 hPa (before calibration)
- Voltage: Supports 3.3V and 5V
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