Description
The X-NUCLEO-S2868A2 expansion board provides robust sub-1 GHz wireless connectivity for your embedded projects, built around the highly efficient S2-LP RF transceiver from STMicroelectronics. Designed to operate in the commonly used 868 MHz ISM band, this board is ideal for applications requiring long-range, low-power communication such as IoT devices, smart metering, and industrial control systems.
Interfacing with the host microcontroller is achieved via SPI connections and GPIO pins, ensuring flexible integration with a wide range of STM32 Nucleo development boards. Its compatibility extends to standard Arduino UNO R3 connectors, enabling broader prototyping capabilities. The S2-LP transceiver is specifically tuned for the 860-940 MHz frequency band, offering reliable performance with programmable RF output power and support for various modulation schemes including 2-FSK, 2-GFSK, 4-FSK, 4-GFSK, OOK, and ASK.
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