This is the documentation for the latest (main) development branch of Zephyr. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

Semtech SX1272MB2DAS LoRa Shield

Overview

The Semtech SX1272MB2DAS LoRa shield is an Arduino compatible shield based on the SX1272 LoRa transceiver from Semtech.

More information about the shield can be found at the mbed SX1272MB2xAS website [1].

Pins Assignment of the Semtech SX1272MB2DAS LoRa Shield

Shield Connector Pin	Function
A0	SX1272 RESET
D2	SX1272 DIO0
D3	SX1272 DIO1
D4	SX1272 DIO2
D5	SX1272 DIO3
D10	SX1272 SPI NSS
D11	SX1272 SPI MOSI
D12	SX1272 SPI MISO
D13	SX1272 SPI SCK

The SX1272 signals DIO4 and DIO5 are not available at the shield connector.

Requirements

This shield can only be used with a board which provides a configuration for Arduino connectors and defines node aliases for SPI and GPIO interfaces (see Shields for more details).

Programming

Set -DSHIELD=semtech_sx1272mb2das when you invoke west build. For example:

# From the root of the zephyr repository
west build -b nucleo_f429zi samples/subsys/lorawan/class_a -- -DSHIELD=semtech_sx1272mb2das