A-II GSM Shield, GSM/GPRS/SMS/DTMF v.2.105 - for Arduino and Raspberry Pi + connector for Arduino

Index: ITB-10242 EAN: 5904422315306

The new version of the module working with Arduino and Raspberry Pi that provides communication in GSM and GPRS. Based on Quectel M95, it allows for voice calls, sending SMS messages. On the board are: two connectors for SIM card (dual SIM), microSD slot and outputs/inputs of the audio.

A-II GSM Shield, GSM/GPRS/SMS/DTMF v.2.105 - for Arduino and Raspberry Pi + connector for Arduino
€37.90
€30.81 tax excl.
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Manufacturer: Itbrain Power
Compatibility: Arduino Raspberry Pi

Description

The new version of the module working with Arduino and Raspberry Pi that provides communication in GSM and GPRS. Based on Quectel M95, it allows for voice calls, sending SMS messages and transfering data. On the board are: 2 slots for SIM-cards (dual-SIM), slot formicroSD cards which allows you to save the data, output and input audio in the standard Jack 3.5 for headphones and microphone and a slot u.FL for externalantenna(in our offer, you will find the appropriateadapters).

 

Specification

  • Driver: Quectel M95
  • Supported standards: GSM / GPRS
  • Frequency: 850 / 950 / 1800 / 1900 MHz
  • Support standard DTMF
  • Dual SIM option (one currently active)
  • Support fro AT commands
  • Built-in PCB antenna capable of connecting external versionvia connector u.FL
  • 5 ways of power
  • UART: 2.8 V to 5 V
  • The choice of power source via jumper:
    • USB
    • built-in controller 5 V
    • the input voltage VIN
  • Built-in connectors:
  • Included are extended connectors for Arduino for self-soldering
  • System of the connector is suitable for Arduino:Uno,Leonardo,Mega 2560,Mega ADK
  • It is also compatible withRaspberry Pi
  • Led out RESET button of the Arduino
  • Works with Raspberry Pi: 3, 2, B+, A+
  • Three mounting holes with a diameter of: 3mm
  • Board sizes: 83 x 54 mm

 

Detailed module description can be found in the user guide in the first partand onthe manufacturer's website. Description how to send SMS using Arduino, is available in this instruction.

 

GSM shield in combination with the Arduino Uno board.

The main differences between the A-GSM and GSM II

Feature A-GSM A-GSM II
The main system M85 M95- programs compatible on 98 %.

The modified control signals

POWER and RESET

By default, low status

activated with high position

By default, high status

activated with low state

Connecting connectors microUSB miniUSB
Working voltage of UART from 3.3 V to 5 V from 2.8 V to 5 V
The number of ways of powering 3 5



The device requires a good quality of supply. We recommend the use of an external power supply of min. 5 V / 1 A when powered from USB or the 12 V / 500 mA when powered by Vin. You should not power the shield from the USB port of the computer.

 

The connection to the Arduino

The system works as a shield for Arduino, using the following conclusions:

 

Pin Arduino Description
GSM RX D2 Communication via the serial interface.
GSM TX D3 Communication via the serial interface.
PWRKEY D7 Control of the supply voltage of system GSM (On/Off).
STATUS D5 The status pin.
RESET D6 GSM system's reset.

ARD-RESET

RST Led out RESET of the Arduino.

5V

5V The supply voltage of 5 V.

Vin

Vin The input voltage Vin.
GND GND The ground of the system

 

Examples of projects for Arduino:

 

Connect to the Raspberry Pi

To launch a module with the Raspberry Pi, you must perform the following connections:

 

Pin RPi Description
GSM RX 08 Communication via the serial interface.
GSM TX 10 Communication via the serial interface.
PWRKEY 16 Control of the supply voltage of system GSM (On/Off).
STATUS 12 The status pin.
RESET 18 GSM system reset.

5V

02/04 The supply voltage of 5 V.
GND 06/14 The ground of the system

 

Examples of programs for the Raspberry Pi:

 

Package width 5.5 cm
Package height 0.5 cm
Package depth 8.5 cm
Package weight 0.03 kg

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