LoRa Node 151

waterproof junction box Support 4-20mA/RS485 sensor input, RS485 signal output can be used with various sensors

* CE Certificate;
* Microprocessor: STM32L151CBU6 (Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash), with LoRa node chip SX1278 (433MHz ~ 510MHz);
* Onboard user resources available: 256 Kbytes of Flash memory with ECC; 32 Kbytes of RAM; 8 Kbytes of true EEPROM with ECC; 128-byte backup register.

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Product introduction

What’s this?

Based on ultra low power design, we launched LoRa Node 151， adopting the STM32L151CCU6 MCU (support DFU mode) and SX127x LoRa chip, use 1/2 AA Lithium chlorine sulfite battery.

Main Features

Based on ultra low power design, we launched LoRa Node 151， adopting the STM32L151CCU6 MCU (support DFU mode) and SX127x LoRa chip, use 1/2 AA Lithium chlorine sulfite battery. Enter low power mode under the standard LoRaWAN protocol, the Deep Sleep Current ≤ 1.8uA.

Specification

Tab1

Parameters	Description
Master Chip	STM32L151CBU6(Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3)
LoRa Chipset	SX1278/SX1276
Frequency	470~510MHz, 863~928MHz
Max. TX Power	19 ± 1dBm
Max. Receiving sensitivity	-135dBm
Operating temperature	-20 ~ 70 ℃
Dimensions	56.6 x 24 x 20 mm
Interface	Micro USB x 1; LoRa Antenna interface(SMA) x 1; 16 x 2.54 pin x 2 + 2 x 2.54 pin x 2
Hardware Resource	USART x 3; SPI x 2; I2C x 2; I2S x 2; 12-bits ADC input x 25; 12-bits DAC output x 2; GPIO x 29
Memory	256KB internal FLASH; 32KB internal SRAM
Battery	1/2AA Lithium
Low Power	Deep Sleep 6uA

Product Description

Wall fixing

With the wall fixing kit, the equipment can be easily fixed to the wall

Edge computing ability

The A55 CPU of HT-M02 can provide sufficient computing power and can directly install LoRa Network Servers such as TTS and ChirpStack on it, serving as a hub for LAN loT solutions.