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STM32 Nucleo pack LoRa™ HF band sensor and gateway

P-NUCLE-LRWAN2

Overview

The P-NUCLEO-LRWAN2 STM32 Nucleo starter pack for LoRa^® technology and high-performance (G)FSK/OOK/(G)MSK modulations is a development tool to learn and quickly develop low-power wide-area network (LPWAN) solutions. The pack contains both an LPWAN end-node and its related gateway. It is compatible with various LoRaWAN^® network server providers. P-NUCLEO-LRWAN2 is intended for countries granting radio-communications access in frequency bands higher than 800 MHz.

On the gateway side, the NUCLEO-F746ZG board, based on a high-performance STM32F7 Arm^® 32-bit microcontroller, controls a RisingHF ARDUINO^® expansion board (LRWAN_GS_HF1) used as a basic LoRaWAN^® packet forwarder. In that way, data coming from the development node can reach LoRaWAN^® network servers directly.
On the sensor-node side, the NUCLEO-L073RZ, based on an ultra-low-power STM32L0 Arm^® 32-bit microcontroller, controls a USI^® I-NUCLEO-LRWAN1 ARDUINO^® expansion board used as a sensor node.
The I-NUCLEO-LRWAN1 end-node is an ARDUINO^® compatible expansion board. This board is designed by USI^® around a LoRa^® module powered by an STM32L05 device hosting a friendly AT command stack. This makes user development and access to the LoRa^® technology easier. In addition, this expansion board features several sensors from STMicroelectronics: accelerometer and gyroscope (LSM303AGR), MEMS pressure (LPS22HB), and humidity and temperature (HTS221).

Main features

NUCLEO-L073RZ development board (from STMicroelectronics)
- STM32L073RZT6 Arm^® Cortex^®-M0+ ultra-low-power MCU at 32 MHz with 192-Kbyte Flash memory, 20-Kbyte SRAM and 6-Kbyte data EEPROM
- 1 user LED
- 1 user and 1 reset push-buttons
- 32.768 kHz crystal oscillator
- On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, Virtual COM port, and debug port
- Board connectorsMini-AB USB connector for the ST-LINKARDUINO^® Uno V3 expansion connectorST morpho extension pin headers for full access to all STM32 I/Os
NUCLEO-F746ZG development board (from STMicroelectronics)
- STM32F746ZGT6 Arm^® Cortex^®-M7 high-performance MCU at 216 MHz with 1-Mbyte Flash memory and 320-Kbyte SRAM
- 3 user LEDs
- 1 user and 1 reset push-buttons
- Ethernet compliant with IEEE-802.3-2002
- USB OTG full speed or device only
- 32.768 kHz crystal oscillator
- On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, Virtual COM port, and debug port
- Board connectorsMicro-AB USB connector for the ST-LINKST Zio expansion connector including ARDUINO^® Uno V3ST morpho extension pin headers for full access to all STM32 I/OsUSB with Micro-ABEthernet RJ45
I-NUCLEO-LRWAN1 LoRa^® HF band (868/915/923 MHz) sensor expansion board (from USI^®)
- USI^® WM-SG-SM-42 low-power long-range LoRaWAN^® module, based on the STM32L052 MCU and Semtech SX1272 transceiver
- STMicroelectronics HTS221 temperature and humidity sensor
- STMicroelectronics LPS22HB pressure sensor
- STMicroelectronics LSM303AGR accelerometer and gyroscope sensor
LRWAN_GS_HF1 LoRa^® HF band (868/915/923 MHz) gateway expansion board (from RisingHF)
- SX1301/SX1257 HF baseband data concentrator and transceiverAutomatically adaptive to spreading factor from SF12 to SF7 in each of 8 channelsHigh sensitivity down to -140 dBm at 300 bit/s6 dBm output powerSupport LoRaWAN^® protocol Class A and Class CSupport Semtech packet forwarderSupport DNS and NTP

Design Files

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Update:2025-06-23 08:31:11

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