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LoRa click

MIKROE-1997

40 g

LoRa click carries Microchip’s RN2483 fully certified LoRa Sub-GHz, 433/868 MHz European R&TTE Directive Assessed Radio Modem. The click is designed to use either a 3.3V or a 5V power supply. It communicates with the target microcontroller over a UART interface (TXD, RXD, CTS) with the addition of a Reset pin (RST).

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4 494,31 din bez PDV-a

Količina Cena po komadu
5 4 269,60 din
20 4 044,88 din

LoRa click carries Microchip’s RN2483 fully certified LoRa Sub-GHz, 433/868 MHz European R&TTE Directive Assessed Radio Modem. The click is designed to use either a 3.3V or a 5V power supply. It communicates with the target microcontroller over a UART interface (TXD, RXD, CTS) with the addition of a Reset pin (RST).

NOTE: the antennas are sold separately.

RN2483 module

Microchip’s RN2483 Low-Power Long Range LoRa Technology Transceiver module provides an easy to use, low-power solution for long range wireless data transmission.

The RN2483 module has a specified range of >15km in rural and suburban settings, and >5km coverage in urban areas.

A LoRaWAN™ Class A protocol stack is embedded (bidirectional end devices), as well as an ASCII command interface accessible through UART. The high receiver sensitivity can go down to -148 dBm.

LoRaWAN™

LoRaWAN™ or Low Power Wide Area Network is a wireless technology developed to enable low data rate communications over long distances, mainly for IoT applications and sensors.

The architecture for this network is usually arranged in a star-of-stars topology. A gateway relays messages between end-devices (for example, battery operated devices in home automation) and a central core network server.

Antenna connectors

Two antenna connectors allow you to choose which of the two frequency bands will be employed.

Key features

  • RN2483 module from Microchip
    • On-board LoRaWAN™ Class A protocol stack
    • ASCII command interface over UART
    • >15 km coverage at suburban areas
    • >5 km coverage at urban area
    • 433/868 MHz European R&TTE Directive Assessed Radio Modem
  • Two antenna connectors onboard
  • UART interface
  • 3.3V or 5V power supply

Preuzimanja

Tip proizvoda RF Sub 1GHz
Primena Automated Meter Reading, Home and Building Automation, M2M, IoT, Industrial Monitoring and Control
Moduli na ploči Microchip’s RN2483 Radio Modem
Ključne osobine Embeds LoRaWAN™ Class A protocol stack. Sub-GHz, 433/868 MHz European R&TTE Directive
Ključne prednosti ASCII command interface. More than 15 km range (rural and suburban); more than 5 km (urban)
Interfejs GPIO,UART
Ulazni napon 3.3V or 5V
Kompatibilino sa mikroBUS
Veličina click pločice L (57.15 x 25.4 mm)

Pinout diagram

This table shows how the pinout on LoRa click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes Pin Mikrobus logo.png
mikroBUStm
Pin Notes
Not connected NC 1 AN PWM 16 NC Not connected
Active-low device Reset input RESET 2 RST INT 15 CTS Communication UART CTS signal
Not connected NC 3 CS TX 14 TXD UART transmit
Not connected NC 4 SCK RX 13 RXD UART receive
Not connected NC 5 MISO SCL 12 NC Not connected
Not connected NC 6 MOSI SDA 11 NC Not connected
Power supply +3.3V 7 3.3V 5V 10 +5V Power supply
Ground GND 8 GND GND 9 GND Ground

Programming

Code examples that demonstrate the usage of LoRa click with MikroElektronika hardware, written for MikroE compilers are available on Libstock.

Code snippet

LoRa process must be kept inside an infinite loop.

1 lora_init( false, false, false, lora_cbk );
2 lora_cmd( "sys get ver", "", tmp_txt );
3 TFT_Set_Font( &Tahoma15x16_Bold, CL_BLUE, FO_HORIZONTAL );
4 TFT_Write_Text( tmp_txt, 50, 50 );
5 
6 while( 1 )
7 {
8    lora_process();
9 }

Usage notes

Study the data sheet before applying either Lora or Lora 2 click in your designs. For example, here's what the official data sheet states about compliance with USA regulations:

"The RN2903 module has received Federal Communications Commission (FCC) CFR47 Telecommunications, Part 15 Subpart C “Intentional Radiators” modular approval in accordance with Part 15.212 Modular Transmitter approval. Modular approval allows the end user to integrate the RN2903 module into a finished product without obtaining subsequent and separate FCC approvals for intentional radiation, provided no changes or modifications are made to the module circuitry."

On the other hand, in New Zealand, it would be your responsibility to prove the device is compliant. To quote from the data sheet: "RN2903 module RF transmitter test reports can be used in part to demonstrate compliance against the New Zealand "General User Radio License for Short Range Devices". New Zealand Radio communications (Radio Standards) Notice 2010 calls up the AS / NZS 4268:2008 industry standard. The RN2903 module test reports can be used as part of the product certification and compliance folder." You can find all the relevant data on page 13 of the official data sheet.

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