Adafruit LPS22 Pressure Sensor - STEMMA QT / Qwiic - LPS22HB
Adafruit LPS22 Pressure Sensor - STEMMA QT / Qwiic - LPS22HB - Image 2
SKU: SENS-2790
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Adafruit LPS22 Pressure Sensor - STEMMA QT / Qwiic - LPS22HB

₹1,109.00 (Inclusive of all taxes)
Out of Stock

The Adafruit LPS22HB is a compact, high-accuracy MEMS barometric pressure sensor module featuring STEMMA QT / Qwiic connectors for solder-free I2C interfacing. It provides precise pressure and altitude data for Arduino, Raspberry Pi, and other 3.3V/5V microcontroller platforms.

Features

  • High-precision MEMS piezoresistive sensor with ±0.1 hPa accuracy.
  • Wide absolute pressure measurement range from 260 hPa to 1260 hPa.
  • Fast output data rate (ODR) configurable from 1 Hz up to 75 Hz.
  • 3.3V & 5V logic compatible with I2C and SPI digital interfaces.
  • Plug-and-play STEMMA QT / Qwiic connectors for rapid prototyping.

Out of stock

Description

The LPS22HB is an ultra-compact, high-performance absolute pressure sensor from STMicroelectronics, integrated onto a user-friendly breakout board by Adafruit. It utilizes a MEMS piezoresistive sensing element with embedded temperature compensation to deliver stable and accurate barometric pressure readings, suitable for altitude tracking and environmental monitoring.

The module features dual STEMMA QT connectors for daisy-chaining and supports both I2C (default address 0x5D) and SPI communication protocols. Its robust design includes a high overpressure capability (20x full scale) and exceptional shock survivability, making it reliable for portable and wearable applications.

Key Features

  • Ultra-small 2x2mm MEMS sensor housed on a compact breakout board.
  • High accuracy of ±0.1 hPa after calibration across the full operating range.
  • Embedded 24-bit pressure and 16-bit temperature data output.
  • Configurable FIFO buffer and interrupt functions for efficient data handling.
  • High shock survivability rating of 22,000 g for rugged applications.
  • Wide power supply compatibility (3V to 5V) for flexible system integration.
  • Comprehensive software support for Arduino, CircuitPython, and Python.
  • Plug-and-play connectivity via standardized STEMMA QT / Qwiic connectors.

Applications

  • Portable weather stations and altimeters for drones and UAVs.
  • Wearable devices for fitness tracking and altitude-based activity monitoring.
  • Indoor navigation and floor-level detection in smart building systems.
  • Environmental data logging and weather balloon payloads.
  • Barometric pressure compensation for other sensing systems.

Technical Specifications

Sensor ModelLPS22HB
Pressure Range260 hPa to 1260 hPa (Absolute)
Pressure Accuracy±0.1 hPa
Output Data Rate (ODR)1 Hz to 75 Hz
Output InterfaceI2C (Default Addr: 0x5D), SPI
Supply Voltage3.3V (3V to 5V compatible)
Data ResolutionPressure: 24-bit, Temperature: 16-bit
Operating Temperature-40°C to +85°C
Key FeatureEmbedded Temperature Compensation & FIFO
Connector TypeSTEMMA QT / Qwiic (4-pin JST SH)
Module DimensionsApprox. 30mm x 30mm x 10mm (Breakout)

Frequently Asked Questions

What is the default I2C address of the Adafruit LPS22 module?

The default I2C address is 0x5D. A solder Jumper on the breakout board allows you to change the address to 0x5C if needed to avoid conflicts with other I2C devices on the same bus.

Is this sensor compatible with 5V microcontrollers like Arduino Uno?

Yes, the module is fully compatible with both 3.3V and 5V logic systems. The onboard logic level shifting ensures safe communication. You can power it from any 3V to 5V supply.

Can I use SPI instead of I2C with this breakout board?

Yes, the LPS22HB chip supports both I2C and SPI interfaces. The breakout board exposes the necessary pins for SPI communication (CS, SCL, SDA/SDI, SDO). You must configure your code to use the SPI protocol and connect the pins accordingly.

What is the sensor's accuracy and how does temperature affect it?

The sensor has an accuracy of ±0.1 hPa. It features embedded temperature compensation that automatically corrects the pressure reading based on an integrated 16-bit temperature sensor, ensuring stable performance across its -40°C to +85°C operating range.

What libraries are available for programming this sensor?

Adafruit provides and maintains the Adafruit_LPS2X library for Arduino and the Adafruit_CircuitPython_LPS2X library for CircuitPython. These libraries handle communication, data reading, and configuration, simplifying integration into your project.

Package Includes

  • 1 x Adafruit LPS22 Pressure Sensor Breakout Board (LPS22HB)

Additional Information

Weight 0.012 kg
Dimensions 3 × 3 × 2 cm

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