Ublox XPLR-IOT-1, Руководство пользователя

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XPLR-IOT-1 - User guide
UBX-21035674 - R02 Platform description Page 25 of 39
C1-Public
3.5 I2C sensors
Several sensors are connected through a single I2C bus.
3.5.1 Environmental sensor
A BME280 environmental sensor from Bosch measures relative humidity, barometric pressure, and
ambient temperature. On the I2C bus, it is assigned the address 0x76. The BME280 data sheet is
available at reference
[21] .
3.5.2 Accelerometer
A LIS2DH12TR accelerometer from ST Microelectronics measures movement in three axes. Scales of
±2, ±4, ±8, and ±16 gauss may be selected. One interrupt output is connected to NORA-B1. On the
I2C bus, it is assigned the address 0x19. The LIS2DH12TR data sheet is available at reference
[22] .
3.5.3 Magnetometer
A LIS3MDL magnetometer from ST Microelectronics measures magnetic fields in three axes. Scales
of ±4, ±8, ±12, and ±16 gauss may be selected. An optional interrupt may be connected to NORA-B1
by soldering across the jumper NO4 and cutting jumper NC7. On the I2C bus, it is assigned address
0x1E. The LIS3MDL data sheet is available at reference
[23] .
Figure 21: I2C sensors and interrupt jumpers NC7, NO4, NO5
3.5.4 Gyroscope
A FXAS21002 gyroscope from NXP Semiconductor senses yaw, pitch, and roll of the XPLR-IOT-1. Full
scale ranges are adjustable from ±250°/s. to ±2000°/sec. An optional interrupt may be connected to
NORA-B1 by soldering across the jumper NO5 and cutting jumper NC7. On the I2C bus, it is assigned
address 0x20. The FXAS21002 data sheet is available at reference
[24] .