This is the documentation for the latest (master) 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/lorawan/class_a -- -DSHIELD=semtech_sx1272mb2das