Data Sheet

Waterproof Long Range Wireless LoRa Sensor Node
LSN50
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Dragino Technology Co., Limited
Room 1101, City Invest Commercial Center, No.546 QingLinRoad
LongCheng Street, LongGang District ; Shenzhen 518116,China
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LSN50 is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by
Li/SOCl2 battery for long term use.
power consumption and secure data transmission.It is designed to facilitate developers to
quickly deploy industrial level LoRa and IoT solutions. It help users to turn the idea into a
practical application and make the Internet of Things a reality. It is easy to program, create
and connect your things everywhere.
It is based on SX1276/SX1278 allows the user to send data and reach extremely long ranges
at low data-rates.It provides ultra-long range spread spectrum communication and high
interference immunity whilst minimising current consumption.It targets professional wireless
sensor network applications such as irrigation systems, smart metering, smart cities,
smartphone detection, building automation, and so on.
Features:
STM32L072CZT6 MCU
Ultra Low Power consumption
MDK-ARM Version 5.24a IDE
LoRa™ Modem
Preamble detection
Baud rate configurable
CN470/EU433/KR920/US915
Open source hardware / software
Available Band:433/868/915/920 Mhz
IP66 Waterproof Enclosure
LSN50 uses STM32l0x chip from ST, STML0x is the ultra-low-power STM32L072xx microcontrollers
incorporate the connectivity power of the universal serial bus (USB 2.0 crystal-less) with the
high-performance ARM® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency,
a memory protection unit (MPU), high-speed embedded memories (192 Kbytes of Flash program
memory, 6 Kbytes of data EEPROM and 20 Kbytes of RAM) plus an extensive range of
enhanced I/Os and peripherals.
EU868/AS923/AU915
Pre-load bootloader on USART1/USART2
SX1276/78 Wireless Chip
2x12bit ADC, 1x12bit DAC
I2C,LPUSART1,USB
18xDigital I/Os
AT Commands to change parameters
4000mAh Battery for long term use
LSN50 is an open source product, it is based on the STM32Cube HAL drivers and lots of libraries
can be found in ST site for rapid development.