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Photos from Smartifybd's post 05/01/2022

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Arduino Shield featuring LoRa® technology:
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SX127x Shield is a Arduino Shield featuring LoRa® technology and based on Open source library.This Shield 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.

SX127x Shield is based on Semtech SX1276/SX1278 chip, it targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.

Using SX127x LoRa® modulation technique the Dragino Shield featuring LoRa® technology can achieve a sensitivity of over -148dBm using a low cost crystal and bill of materials. The high sensitivity combined with the integrated +20 dBm power amplifier yields industry leading link budget making it optimal for any application requiring range or robustness. LoRa also provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption.

These devices also support high performance (G)FSK modes for systems including WMBus, IEEE802.15.4g. The Dragino Shield featuring LoRa® technology deliver exceptional phase noise, selectivity, receiver linearity and IIP3 for significantly lower current consumption than competing devices.

Shield Features:
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Compatible with 3.3v or 5v I/O Arduino Board.
Frequency Band: 915MHz/868 MHZ/433 MHZ (Pre-configure in factory)
Low power consumption
Compatible with Arduino Leonardo, Uno, Mega, DUE
External Antenna via I-Pex connector

Specification Summary:
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168 dB maximum link budget.
+20 dBm - 100 mW constant RF output vs.
+14 dBm high efficiency PA.
Programmable bit rate up to 300 kbps.
High sensitivity: down to -148 dBm.
Bullet-proof front end: IIP3 = -12.5 dBm.
Excellent blocking immunity.
Low RX current of 10.3 mA, 200 nA register retention.
Fully integrated synthesizer with a resolution of 61 Hz.
FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
Built-in bit synchronizer for clock recovery.
Preamble detection.
127 dB Dynamic Range RSSI.
Automatic RF Sense and CAD with ultra-fast AFC.
Packet engine up to 256 bytes with CRC.
Built-in temperature sensor and low battery indicator.

SX127X Shield- # # #
# # #: Frequency Band
433: For Bands: EU433, CN470
868: For Bands: EU868,IN865
915: For Bands: US915,AU915,AS923,KR920

11/12/2021

Demand for Integrated energy smart metering and control platform

With the improvement of living standards, people have gradually rejected household meter reading out of consideration such as privacy, security, convenience . At the same time, the departments of water supply, power supply, gas supply, heat supply have promoted the transformation of "one household one table" project and the requirements of automation. The remote automatic meter reading system has become an indispensable part of the automati management and intelligent control of water, electricity, gas and heat. Through IoT sensor access network, the sensor can transfer all the collected information from different meters to the background management system reliably , to achieve a series of functions such as statistics, fault warning, statistical reports, bill generation etc.

19/11/2021

Solution in Bangladesh
Soil Moisture, Temperature and Electrical Conductivity Sensor

Photos from Smartifybd's post 19/11/2021

with us for your # IoT Solution [email protected]

Soil Monitoring

Over the past few years, the applications of massive IoT deployed in soil monitoring, for example, greenhouse, have accelerated the evolution of digital farming. The data collection of environmental factors such as temperature, humidity, soil content, wind speed, rainfall, nitrogen, phosphorus, and potassium has composed an important part in soil monitoring.

SMTC Sensor works perfectly with Smartifybd IoT Cloud (Web & App), which allows you to monitor your data in the office or on the go. With a drag-and-drop experience, Smartifybd IoT Cloud provides rich features such as intuitive widgets, triggers, sharing and transfer ownership of devices, layers, etc.

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