STMicroelectronics STM32 Nucleo Pack SX1272 LoRa Development Kit for LoRaWAN P-NUCLEO-LRWAN1

The P-NUCLEO-LRWAN1 is a wireless communication development kit for long-range working featuring LoRa™ Chirp Spread-Spectrum (CSS) technology. When used in conjunction with the I-CUBE-LRWAN embedded software, a complete LoRaWAN™ Class A node can be set up and demonstrated. The kit consists of two boards: a NUCLEO-L073RZ MCU board with an SX1272MB2xAS LoRa extension board.

• Semtech SX1272 LoRa transceiver
• RF Frequency Range: 868/915MHz ISM Band
• Channel bandwidth: 125kHz, 250kHz or 500kHz
• RF Power Output: up to +20dBm
• +14 dBm high efficiency PA
• Receiver Sensitivity: -123dBm @ 1.2kbps (FSK), -137dBm @ 240bps (LoRa, SF=12, CR=4/6)
• Modulation: FSK, GFSK, MSK, GMSK, OOK or LoRa™ Chirp Spread-Spectrum
• OTA Data Rate: up to 300kbps (FSK), up to 37.5kbps (LoRa)
• Range: up to 15km (Line of Sight)
• Packet engine up to 256 bytes with CRC
• Forward Error Correction (FEC) with selectable Coding Rate
• 127dB dynamic range RSSI
• Host communication: serial SPI
• Temperature sensor and low-battery indicator
• 6 x 4-way external sensor connectors
• SMA connector for optional external antenna

• STM32L073RZT6 32MHz Cortex-M0+ core MCU with 192KB ECC Flash memory, 20KB RAM, 6KB ECC EEPROM
• ARM mbed Enabled (mbed.org)

STM32L0 Series 32-Bit ARM® Cortex®-M0+ Microcontrollers, STMicroelectronics

The STM32 L0 Series of the 32-bit Flash Microcontrollers (MCUs) is based on the ARM Cortex™-M0+ core; a core specifically developed for embedded applications. STMicroelectronics’s STM32 ARM Cortex™ M processor benefits from the Cortex-M0+ architectural enhancements including digital signal processing, real-time performance, low voltage and ultra low power. ST’s ARM® STM32 L0 ultra-low power series delivers a 32-bit performance and is ideal for small projects or platform decisions with its easy to use functionality.