LoRa Kit 151

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LoRa Kit 151

$13.50

What's this? In order to meet the user’s requirements for Ultra-Low-Power and standard LoRaWAN protocol, we designed this product.

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Description

Summary

In order to meet the user’s requirements for Ultra-Low-Power and standard LoRaWAN protocol, we designed this product. On the basis of STM32L151CBU6MCU and SX1278 LoRa chip(433、470MHz), the low power current can reach to 6uA.

Main Features

CE Certificate;
Microprocessor: STM32L151CBU6 (Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash), with LoRa node chip SX1278 (433MHz ~ 510MHz);
Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, and other protection measures;
Onboard SH1.25-2 battery interface, integrated lithium battery interface, integrated battery management system (battery power detection, USB / battery power automatic switching);
Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing;
This product supports DFU mode download (need to cooperate with relevant download software).
System resource：FLASH – 128K， RAM – 16K， EEPROM – 4K；
User available resources: FLASH – 64K, RAM – 8K, EEPROM – 4K；
Provide standard LoRaWAN protocol routines.
With good RF circuit design and basic low-power design (sleep current ≤7uA), it is convenient for IoT application vendors to quickly verify LoRaWAN protocol easily.

Specifications

Parameters	Description
Master Chip	STM32L151CBU6(Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3)
LoRa Chipset	SX1278
Frequency	470~510MHz, 863~928MHz
Max. TX Power	19 ± 1dBm
Max. Receiving Sensitivity	-135dBm
Operating temperature	-20 ~ 70 ℃
Dimensions	56.3 x 25.5 x 7.8 mm
Interface	Micro USB x 1; LoRa Antenna interface(IPEX) x 1; 18 x 2.54 pin
Hardware Resource	UART x 3; SPI x 2; I2C x 2; 12-bits ADC input x 8; 12-bits DAC output x 2; GPIO x 23
Memory	128KB internal FLASH; 16KB internal SRAM
Battery	3.7V Lithium(SH1.25 x 2 socket)
Low Power	Deep Sleep 6uA