Adafruit 9-DoF LSM9DS1 Breakout - STEMMA QT / Qwiic
LSM9DS1 9-DoF breakout combining a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer via I2C or SPI, with STEMMA QT/Qwiic connectors for tool-free wiring.
LSM9DS1 9-DoF breakout combining a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer via I2C or SPI, with STEMMA QT/Qwiic connectors for tool-free wiring.
Power input to the breakout. Adafruit Learn states the onboard regulator accepts 3-5VDC and safely converts it down for the 3V sensor.
3.3V output from the voltage regulator. Adafruit states up to 100mA can be drawn from this pin.
Common ground for power and logic.
I2C clock pin. Also used as SPI clock. Adafruit states it is level shifted for 3-5V logic and has a 10K pullup.
I2C data pin. Also used as SPI MOSI. Adafruit states it is level shifted for 3-5V logic and has a 10K pullup.
Accelerometer and gyro subchip SPI chip select. Adafruit states it is level shifted for 3-5V logic input.
Magnetometer subchip SPI chip select. Adafruit states it is level shifted for 3-5V logic input.
Accelerometer and gyro subchip SPI MISO output.
Magnetometer subchip SPI MISO output.
Gyro dynamic enable/disable breakout pin. Adafruit notes the chip documentation is limited for this pin.
Interrupt output from the accelerometer/gyro subchip.
Interrupt output from the accelerometer/gyro subchip.
Accelerometer/gyro data-ready output.
Interrupt output from the magnetometer subchip.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Vin | power | Power input to the breakout. Adafruit Learn states the onboard regulator accepts 3-5VDC and safely converts it down for the 3V sensor. | 3-5VDC input | |
| 3V3 | power | 3.3V output from the voltage regulator. Adafruit states up to 100mA can be drawn from this pin. | 3.3V output, up to 100mA | |
| GND | ground | Common ground for power and logic. | 0V | |
| SCL | signal | I2C clock pin. Also used as SPI clock. Adafruit states it is level shifted for 3-5V logic and has a 10K pullup. | 3-5V logic input | |
| SDA | signal | I2C data pin. Also used as SPI MOSI. Adafruit states it is level shifted for 3-5V logic and has a 10K pullup. | 3-5V logic input | |
| CSAG | signal | Accelerometer and gyro subchip SPI chip select. Adafruit states it is level shifted for 3-5V logic input. | 3-5V logic input | |
| CSM | signal | Magnetometer subchip SPI chip select. Adafruit states it is level shifted for 3-5V logic input. | 3-5V logic input | |
| SDOAG | signal | Accelerometer and gyro subchip SPI MISO output. | 3V logic output, readable by 5V logic chips per Adafruit | |
| SDOM / DOM | signal | Magnetometer subchip SPI MISO output. | 3V logic output, readable by 5V logic chips per Adafruit | |
| DEN | signal | Gyro dynamic enable/disable breakout pin. Adafruit notes the chip documentation is limited for this pin. | ||
| INT1 | signal | Interrupt output from the accelerometer/gyro subchip. | 3V logic output | |
| INT2 | signal | Interrupt output from the accelerometer/gyro subchip. | 3V logic output | |
| DRDY | signal | Accelerometer/gyro data-ready output. | 3V logic output | |
| INTM | signal | Interrupt output from the magnetometer subchip. | 3V logic 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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