9-DoF IMU breakout combining a 3-axis accelerometer, 3-axis magnetometer, and 3-axis gyroscope in the LSM9DS1 over I2C or SPI. Suitable for orientation, heading, and motion tracking in robotics and wearables.
Main power input for the breakout; Adafruit states to power VIN and GND with 3-5VDC.
3.3V output from the onboard voltage regulator; Adafruit says up to 100mA can be drawn.
Common ground for power and logic.
I2C clock; also SPI clock when using SPI. Adafruit says this pin is level shifted and has a 10K pullup.
I2C data; also SPI MOSI when using SPI. Adafruit says this pin is level shifted and has a 10K pullup.
SPI chip select for the accelerometer and gyro subchip.
SPI chip select for the magnetometer subchip.
SPI MISO output from the accelerometer and gyro subchip.
SPI MISO output from the magnetometer subchip.
Gyro dynamic enable/disable pin broken out by Adafruit; Adafruit notes documentation is limited.
Interrupt output from the accelerometer/gyro subchip.
Interrupt output from the accelerometer/gyro subchip.
Accelerometer/gyro data-ready output.
Magnetometer interrupt output.
| Pin | Type | Function | Voltage |
|---|---|---|---|
| VIN | Power | Main power input for the breakout; Adafruit states to power VIN and GND with 3-5VDC. | 3-5VDC input per Adafruit overview |
| 3V3 | Power | 3.3V output from the onboard voltage regulator; Adafruit says up to 100mA can be drawn. | 3.3V output, up to 100mA per Adafruit pinouts |
| GND | Ground | Common ground for power and logic. | |
| SCL | I2C | I2C clock; also SPI clock when using SPI. Adafruit says this pin is level shifted and has a 10K pullup. | 3-5V logic input supported per Adafruit pinouts |
| SDA | I2C | I2C data; also SPI MOSI when using SPI. Adafruit says this pin is level shifted and has a 10K pullup. | 3-5V logic input supported per Adafruit pinouts |
| CSAG | Signal | SPI chip select for the accelerometer and gyro subchip. | 3-5V logic input supported per Adafruit pinouts |
| CSM | Signal | SPI chip select for the magnetometer subchip. | 3-5V logic input supported per Adafruit pinouts |
| SDOAG | Signal | SPI MISO output from the accelerometer and gyro subchip. | 3V logic output, readable by 5V logic chips per Adafruit pinouts |
| SDOMDOM | Signal | SPI MISO output from the magnetometer subchip. | 3V logic output, readable by 5V logic chips per Adafruit pinouts |
| DEN | Control | Gyro dynamic enable/disable pin broken out by Adafruit; Adafruit notes documentation is limited. | |
| INT1 | Signal | Interrupt output from the accelerometer/gyro subchip. | 3V logic output per Adafruit pinouts |
| INT2 | Signal | Interrupt output from the accelerometer/gyro subchip. | 3V logic output per Adafruit pinouts |
| DRDY | Signal | Accelerometer/gyro data-ready output. | |
| INTM | Signal | Magnetometer interrupt output. |
Main power input for the breakout; Adafruit states to power VIN and GND with 3-5VDC.
3.3V output from the onboard voltage regulator; Adafruit says up to 100mA can be drawn.
Common ground for power and logic.
I2C clock; also SPI clock when using SPI. Adafruit says this pin is level shifted and has a 10K pullup.
I2C data; also SPI MOSI when using SPI. Adafruit says this pin is level shifted and has a 10K pullup.
SPI chip select for the accelerometer and gyro subchip.
SPI chip select for the magnetometer subchip.
SPI MISO output from the accelerometer and gyro subchip.
SPI MISO output from the magnetometer subchip.
Gyro dynamic enable/disable pin broken out by Adafruit; Adafruit notes documentation is limited.
Interrupt output from the accelerometer/gyro subchip.
Interrupt output from the accelerometer/gyro subchip.
Accelerometer/gyro data-ready output.
Magnetometer interrupt output.
I2C · SPI · Analog · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VIN, 3V3, GND, SCL, SDA, CSAG, CSM, SDOAG. Schematik maps them to your board in the app.
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