Adafruit MSA311 Triple Axis Accelerometer - STEMMA QT/Qwiic Module
Adafruit MSA311 Triple Axis Accelerometer - STEMMA QT/Qwiic Module - Image 2
Adafruit MSA311 Triple Axis Accelerometer - STEMMA QT/Qwiic Module - Image 3
SKU: SENS-2798
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Adafruit MSA311 Triple Axis Accelerometer - STEMMA QT/Qwiic Module

₹769.00 (Inclusive of all taxes)
Out of Stock

The Adafruit MSA311 is a compact, low-power triple-axis accelerometer module with STEMMA QT/Qwiic connectors, offering 14-bit resolution and user-selectable ranges from ±2g to ±16g. It features a fixed I2C address (0x62) and integrated voltage regulation for seamless 3.3V or 5V logic compatibility with Arduino, Raspberry Pi, Feather, and other development platforms.

Features

  • Triple-axis MEMS accelerometer with 14-bit resolution and ±2g/±4g/±8g/±16g user-selectable full-scale ranges.
  • Integrated STEMMA QT / Qwiic connectors enable solderless I2C daisy-chaining with a wide ecosystem of sensors and controllers.
  • Onboard voltage regulator and level shifter provide broad compatibility with 3.3V and 5V logic systems (Arduino, Raspberry Pi, ESP32).
  • Features programmable data output rates (1 Hz to 500 Hz), interrupt pin for tap/double-tap/free-fall detection, and ultra-low power mode (~2 µA).
  • Compact PCB design (25.2 x 17.7 mm) includes standard 0.1″ header breakouts and four mounting holes for secure installation.

Out of stock

Description

The MSA311 accelerometer utilizes a high-performance MEMS sensing element to deliver precise three-axis acceleration measurements. Its factory-calibrated sensitivity and offset ensure accurate data output, while the 14-bit ADC provides fine resolution across its configurable measurement ranges. The sensor communicates via a fixed I2C address (0x62) and supports SPI, with an interrupt output pin enabling efficient event-driven programming for features like orientation change, single/double-tap, and free-fall detection.

Adafruit’s carrier board simplifies integration, incorporating a voltage regulator to accept a wide supply range (1.62V to 3.6V for the IC, with board-level support for 3.3V/5V systems). The STEMMA QT connectors (compatible with SparkFun Qwiic) allow for rapid prototyping without soldering. The module is designed for reliable operation in industrial and consumer electronics applications, with an operating temperature range of -40°C to +85°C.

Key Features

  • High-resolution 3-axis MEMS accelerometer with 14-bit digital output.
  • Four user-configurable full-scale ranges: ±2g, ±4g, ±8g, and ±16g.
  • Ultra-low power consumption with a dedicated low-power mode drawing approximately 2 µA.
  • Programmable output data rate from 1 Hz to 500 Hz for optimized power and bandwidth.
  • Integrated advanced motion detection: orientation, free-fall, single-tap, and double-tap.
  • Fixed I2C address (0x62) with support for SPI communication protocol.
  • Onboard 3.3V regulator and level shifting for safe operation with 3.3V or 5V microcontrollers.
  • STEMMA QT / Qwiic connectors enable plug-and-play I2C connectivity and system daisy-chaining.

Applications

  • Robotics and drone stabilization for tilt sensing and motion control.
  • Wearable device development for activity tracking and gesture recognition.
  • Industrial equipment monitoring for vibration analysis and impact detection.
  • IoT and smart home devices for orientation-based triggers and free-fall alarms.
  • Prototyping and educational projects for physics experiments and embedded system training.

Technical Specifications

Manufacturer Part NumberMSA311
Sensor TypeTriple-Axis Digital Accelerometer
Measurement Range±2g, ±4g, ±8g, ±16g (User Selectable)
Resolution14-bit
InterfaceI2C (Fixed Address 0x62), SPI
Supply Voltage (IC)1.62V to 3.6V DC
Supply Voltage (Module)3.3V or 5V DC (via onboard regulator)
Operating Current (Active)Low power mode: ~2 µA (typical)
Data Output Rate1 Hz to 500 Hz (Programmable)
Interrupt OutputYes (Motion Detection Events)
Operating Temperature-40°C to +85°C
Storage Temperature-40°C to 125°C
Module Dimensions (L x W x H)25.2 mm x 17.7 mm x 4.6 mm
Module Weight1.7 g

Frequently Asked Questions

What is the I2C address of the Adafruit MSA311 module?

The MSA311 accelerometer on this Adafruit module uses a fixed I2C address of 0x62. This differs from the earlier MSA301 sensor (address 0x26), so code written for the MSA301 will need to be updated. The module does not feature an address selection Jumper.

Can I power this module directly from a 5V Arduino pin?

Yes. The Adafruit carrier board includes a voltage regulator and level shifter, allowing you to safely power the module from a 5V supply (e.g., Arduino 5V pin) or a 3.3V supply. The onboard MSA311 IC itself requires a voltage between 1.62V and 3.6V, which the regulator provides.

What motion detection features does the MSA311 support?

The MSA311 IC provides hardware-programmable detection for orientation changes (portrait/landscape), free-fall, single-tap, and double-tap events. These features utilize the sensor's interrupt pin, allowing your microcontroller to sleep until a specific motion event occurs, which is ideal for low-power battery-operated projects.

Does this module support daisy-chaining with other I2C sensors?

Yes, the dual STEMMA QT connectors (compatible with SparkFun Qwiic) are designed specifically for daisy-chaining I2C devices. You can connect a compatible cable from your microcontroller to the module, and then another cable from the module's second connector to the next sensor in the chain, creating a bus without soldering.

Package Includes

  • 1 x Adafruit MSA311 Triple Axis Accelerometer Module (with pre-soldered headers)

Additional Information

Weight 0.0017 kg
Dimensions 2.52 × 1.77 × 0.46 cm

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