How to connect an Arduino to a Lorawan board - Stm32L072 B-L072Z-LRWAN1

I need to connect in such a way that Arduino read sensors data and pass them to the Lorawan board that will transmit to the Gateway

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Guru

The B-L072Z-LRWAN1 can interface with shields directly.

To communicate with a secondary processing board you'll probably want to use UART connectivity.

The D0/D1 pins would provide such an interface, so you'll need to use these and a GND pin.

Download a schematic and user manual for the board, and review those.

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