S2-LP radio and operates in the 868 MHz ISM frequency band. The expansion board is compatible with ST morpho and Arduino UNO R3 connectors. The X-NUCLEO-S2868A1 interfaces with the STM32 Nucleo microcontroller via SPI connections and GPIO pins. You can change some of the GPIOs by mounting or removing the resistors.
UM2405 Acronyms and abbreviations Acronyms and abbreviations Table 1. List of acronyms Acronym Description Automatic meter reading EEPROM Electrically erasable programmable read only memory Giga Hertz Graphical user interface Light emitting diode Microcontroller unit Point-to-point communication Radio frequency communication Serial peripheral interface Universal serial bus wM-Bus Wireless metering bus...
Sample firmware for P2P communication • 6LoWPAN compatible thanks to STM32Cube • RoHS compliant The X-NUCLEO-S2868A1 expansion board can be used for the evaluation of the S2-LP device in multiple applications. The following demo samples are available for testing: •...
Figure 2. X-NUCLEO-S2868A1 expansion board connected to an STM32 Nucleo development board The interconnection between the STM32 Nucleo and the X-NUCLEO-S2868A1 has been designed to allow using any STM32 Nucleo board, although complete testing has been performed using NUCLEO-L053R8, NUCLEO-...
X-NUCLEO-S2868A1 expansion board and the NUCLEO-F401RE NUCLEO-L152RE board connection details are listed in the table below. Table 2. X-NUCLEO-S2868A1 and NUCLEO-L152RE connection details (left connector) Signal name IOREF RESET Connector name CN6 Power CN8 Analog Pin number NUCLEO-L152RE MCU port...
To monitor the X-NUCLEO-S2868A1 expansion board power consumption, use jumper J1: connect an ammeter probe between the connector pins 1 and 2 for measurements. X-NUCLEO-S2868A1 component placement details The figure below shows the component placement on the X-NUCLEO-S2868A1 expansion board.
UM2405 X-NUCLEO-S2868A1 on-board device description X-NUCLEO-S2868A1 on-board device description SPI EEPROM M95640-R is a 64 Kbit serial SPI bus EEPROM with high-speed clock interface. The device can be used to store the configuration parameters related to S2-LP RF device application or settings.
UM2405 Formal notices required by the U.S. Federal Communications Commission ("FCC") Formal notices required by the U.S. Federal Communications Commission ("FCC") FCC NOTICE: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
UM2405 Formal product notice required by the Industry Canada ("IC") Formal product notice required by the Industry Canada ("IC") Innovation, Science and Economic Development Canada Compliance - This device complies with Innovation, Science and Economic Development RSS standards. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
UM2405 Bill of materials Bill of materials Table 6. X-NUCLEO-S2868A1 bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code CON10 550 VAC Connector 4UCON SSQ-110-03-F-S 2.54 mm pitch CON8 550 VAC CN6, CN9 Connectors 4UCON SSQ-108-03-F-S 2.54 mm pitch...
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UM2405 Bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code 4.7 nH 220 mA Johanson Fixed inductor L-07C4N7SV6T SMD-0402 Technology Inc. 8.2 nH 550 mA Fixed inductor Murata LQG15HS8N2J02D SMD-0402 (not mounted) 27 nH 300 mA Fixed inductors L12, L13 TAIYO YUDEN HK100527NJ-T...
S S T T S S A A F F E E - - A A 1 1 0 0 0 0 2 2 . . 2 2 K K +3V3 N N M M +3V3 Figure 5. X-NUCLEO-S2868A1 circuit schematic - Arduino connectors ARDUINO UNO R3 DX connector ARDUINO UNO R3 SX connector IOREF AVDD +3V3...
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ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’...
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