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STM32 Nucleo Introduction The X-NUCLEO-IKS01A1 is a MEMS inertial and environmental sensor evaluation board which can be used to expand the STM32 Nucleo system. It is also compatible with the Arduino UNO R3 connector layout and is designed around the STMicroelectronics 3-axis accelerometer plus 3-axis gyroscope (LSM6DS0), 3-axis magnetometer (LIS3MDL), humidity (HTS221) and pressure (LPS25H) sensors.
Hardware requirements The X-NUCLEO-IKS01A1 is an expansion board for use with STM32 Nucleo boards (please refer to UM1724 on www.st.com for further information). To function correctly, the STM32 Nucleo board must be connected to the X-NUCLEO-IKS01A1 board, as shown in Figure Figure 2.
System requirements UM1820 System requirements Using the Nucleo boards with the X-NUCLEO-IKS01A1 expansion board requires the following software and hardware: ® • a Windows (XP, Vista, 7, 8) PC on which to install the software • a USB type A to Mini-B USB cable to connect the Nucleo to the PC for installation of the board firmware package (order code: X-CUBE-IKS01A1).
LPS25H: MEMS pressure sensor, 260-1260 hPa absolute digital output barometer – HTS221: Capacitive digital relative humidity and temperature sensor The X-NUCLEO-IKS01A1 also has a DIL24 socket to connect and test additional sensors (i.e. UVI sensors, other MEMS sensor, etc…). The sensors are connected on a single bus via I C and each device has a separate power supply to allow measurement of the power consumption of each single sensor.
DIP24 socket for adapter boards Sensors can be added via adapter boards connected to the DIL24 socket J1. Please visit www.st.com to find other sensors that are available. As there are various interrupt signal assignments to DIL24 pins, the appropriate pin can be selected using the JP6 header.
UM1820 Hardware description Connectors The pin assignments for the Arduino UNO R3 and the Morpho connectors are shown in Table 4 Table 5 respectively. Table 4. Arduino UNO R3 connector table Connector Signal Remarks C SDA C SCL 3.3V 3.3V INT1 (DIL24) INT2 (DIL24) LIS3MDL INT1...
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Hardware description UM1820 Table 5. ST Morpho connector table Connector Signal Remarks 3.3V 3.3V INT1 (DIL24) INT2 (DIL24) LIS3MDL INT1 LIS3MDL DRDY C SCL C SDA HTS221 DRDY CN10 LPS25H INT1 LSM6DS0 INT1 USER INT (optional) 1. Any unlisted pins are not connected.
UM1820 Board schematic and bill of material Board schematic and bill of material This section contains the bill of material, schematic and layout of the X-NUCLEO-IKS01A1. Bill of material Table 6. X-NUCLEO-IKS01 bill of material Package Quantity Designator Value Part number...
UM1820 Board schematic and bill of material Schematic Figure 4. X-NUCLEO-IKS01A1 circuit schematic I2C_SCL I2C_SDA GSPG29092014DI1150 DocID026959 Rev 1 11/14...
UM1820 Revision history Revision history Table 7. Document revision history Date Revision Changes 06-Nov-2014 Initial release. DocID026959 Rev 1 13/14...
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