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LIS3MDL 3-axis digital magnetometer I2C/SPI - Pololu 2737
Sensor to measure magnetic field in three axes in the range from ±4 gauss to ±16 gauss. The supply voltage is from 2.5 V to 5.5 V, sensor is characterized by small size, low energy consumption and usage simplicity. It communicates via the I2C or SPI bus.
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Description
Sensor, compass for measuring a magnetic field in three axes. It is characterized by small size, low energy consumption and usage simplicity. It communicates via the I2C or SPI bus. Thanks to the integrated converters, the sensor operates with a voltage of 3.3 V and 5 V.
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For communication with the central unit, the popular I2C bus (TWI) or SPI bus is used. The module has necessary for the correct operation of the system, passive elements. Pins are the solder fields for self-assembly of goldpin connectors (included) for connecting the sensor viawiresor to directly attach to thebreadboard.
The module has a built-in step-down converter, whereby it is possible to work with voltages from 2.5 V to 5.5 V. The regulator's output is available on the pin VDD and can power external systems with the current of up to 150 mA
Pins
The sensor has 9 pins for mounting the connectors ofgoldpintype - pitch of 2.54 mm (included). SCL and SDA pins tolerate voltage higher than 3.3 V, as they are attached to the voltage converter. The remaining pins are not connected and do not tolerate 5 V voltages, therefore they must be connected through an external logic level converter.
| Name | Description |
|---|---|
| VDD | Regulated output of 3.3 V, max. 150 mA. |
| VIN | The power supply of the system is from 2.5 V to 5.5 V. The converter aligns the SCL and SDA pins for the I2C and SPI bus to that level. |
| GND | The ground of the system. |
| SDA / SDI / SDO | Data line for I2C and input line for SPI. High status is equal to VIN, low status is 0 V. |
| SCL / SPC | Clock line for I2C and SPI. High status is equal to VIN, low status is 0 V. |
| SDO / SA1 | Data output line for SPI. High status is equal to VDD, low status is 0 V. It's working with the voltage of 3.3 V. |
| CS | The choice of the data bus. High status (VDD) turns on the I2C communication (set by default). Low status turns on the SPI bus. |
| DRDY | Ready data indicator. High status informs that the data is ready for reading. It works with a voltage of 3.3 V. |
| INT | Programmable interrupts. It works with a voltage of 3.3 V. The details inthe documentation. |
Specification
- Supply voltage: 2.5 V to 5.5 V
- Current consumption: 3 mA
- Three axes: X, Y, Z
- Communication interface
- I2C - addressing: 0011110b or 0011100b
- SPI
- Resolution: 16 bits for each axis
- Measurement range (customizable): ±4, ±8, ±12, ±16 gauss
- Board dimensions: 23 x 10 mm
Details inthe documentation.
Useful links
| Name | Value |
|---|---|
| Width | 7.5 cm |
| Height | 0.6 cm |
| Depth | 8.5 cm |
| Weight | 0.003 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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