SKU: TH2029
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Adafruit MSA311 Triple Axis Accelerometer - STEMMA QT / Qwiic is a tiny, low-cost motion sensor breakout for measuring acceleration on the X, Y, and Z axes over I2C. It is a handy choice for tilt sensing, motion-triggered projects, gesture-style input, vibration monitoring, and general embedded motion detection.
The sensor offers 14-bit resolution with selectable measurement ranges of ±2g, ±4g, ±8g, and ±16g, along with configurable data rates from 1 Hz to 500 Hz. Built-in features such as tap, double-tap, orientation, and freefall detection make it useful when you want more than just raw acceleration data.
This breakout is built in the STEMMA QT form factor with connectors on both sides, making it easy to plug into compatible boards and other I2C devices without soldering. A voltage regulator and level shifting are onboard, so it can be used with both 3.3V and 5V systems. Please note: the MSA311 is similar to the MSA301, but it is not a drop-in replacement, and its I2C address is 0x62 instead of 0x26.
Technical details for the Adafruit MSA311 Triple Axis Accelerometer breakout.
| Brand | Adafruit |
|---|---|
| Sensor | MSA311 triple-axis accelerometer |
| Interface | I2C |
| I2C Address | 0x62 |
| Resolution | 14-bit |
| Selectable Range | ±2g, ±4g, ±8g, ±16g |
| Data Rate | 1 Hz to 500 Hz |
| Interrupt | Yes |
| Special Functions | Tap, double-tap, orientation, freefall detection |
| Logic Compatibility | 3.3V and 5V systems via onboard regulator and level shifting |
| Connectors | Dual STEMMA QT / Qwiic-compatible connectors |
The board comes ready for quick integration into breadboard, perfboard, or cable-based I2C setups.
All pins are also broken out to standard headers, and the PCB includes four mounting holes for easier mechanical installation.
Important: a STEMMA QT / Qwiic cable is not included. If you want solderless hookup, add a compatible JST SH 4-pin cable separately.
This board can be chained with other I2C sensors and accessories, making it a practical fit for Arduino, Raspberry Pi, Feather, and many other development platforms.
It is a triple-axis accelerometer that measures acceleration on the X, Y, and Z axes. The board offers selectable ranges of ±2g, ±4g, ±8g, and ±16g.
The board uses I2C and includes STEMMA QT connectors that are also compatible with SparkFun Qwiic I2C connectors. All pins are also broken out to standard headers for breadboard or perfboard use.
Yes. According to the supplier brief, the breakout includes a voltage regulator and level shifting, so it can be used with either 3.3V or 5V systems.
The MSA311 uses a fixed I2C address of 0x62. This is important because it is not the same as the older MSA301, which used 0x26.
No. The supplier notes that the MSA311 is very similar to the MSA301, but it is not a drop-in replacement, and the I2C address has changed to 0x62.
The listed included items are the Adafruit MSA311 Triple Axis Accelerometer STEMMA QT / Qwiic breakout board and a bit of 0.1 inch standard header. A QT cable is not included.
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