Understanding U1 Functionality

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Please explain what U1 does.

flux

U1 is the U1 LoRa transceiver module. It provides the wireless communication link for the soil monitor by using the LoRa protocol at 915 MHz. In this design, it interfaces with the microcontroller (U2) via SPI, transmitting and receiving data over long distances while maintaining low power consumption.
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    LoRa soil monitor Reference Design.png

    LoRa soil monitor Reference Design.png

    LoRa soil monitor Reference DesignThumbnail

    LoRa soil monitor Reference Design

    LoRa soil monitor Reference Design thumbnail
    This is a LoRa soil monitor Reference Design. It uses a STM32L031G6U6S microcontroller and a RFM95W-915S2 LoRa transceiver, integrated with sensor interfacing and LED indicators. Communication occurs via USART and SPI. The system is powered using a battery. #referenceDesign #simple-embedded #stm #template #reference-design

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