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Questions tagged [gsm]

GSM is the predominant standard used for 2G cellular networks for mobile devices.

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0answers
21 views

Cannot connect to GSM 900A Module

I am working on a project that uses SMS to push data to a blockchain. I bought a GSM 900A Module and connected it to Raspberry Pi 3b+. The connections are as shown in this picture : https://i.stack....
-2
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0answers
15 views

Most reliable way to connect RPi to cellular network indoors?

I've researched various hardware dependencies, notably: GSM/SIM800 configurations I'm trying to determine which direction to go in for a project with the following constraints: predominately indoor ...
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1answer
329 views

How to connect GSM module to Raspberry PI3 and also using Bluetooth of Raspberry PI3

I want to use Bluetooth of Raspberry Pi3 and also I want to Connect GSM module sim800l to Raspberry Pi3 ,in this instruction Bluetooth will be disable , what is the the best way to use both of them? ...
0
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1answer
231 views

Waveshare GSM/GPRS/GNSS HAT not connecting to Cellular network

I have this HAT i bought for a pi project I am working on. I get the device to power on, I can connect via USB from PC, and can connect from pi too. However, the NET LED just blinks every second, ...
1
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1answer
305 views

Some hardware for multiple SIM cards SMS sending

I need some hardware for multiple SIM cards SMS sending. Preferably 200 sim cards. I would use Linux and some development boards like Raspberry pi etc. I have used raspberry with a USB dongle. Please ...
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0answers
97 views

what is causing my error 3 for sending SMS from GSM module

I have a Raspberry Pi 3 running Raspbian Stretch I've connected it to an Elemnt Engineerz Guild SIM900a GSM modem via the GPIO. I can't get it to send an SMS I connected gnd and 5v to gnd and 5v ...
0
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1answer
577 views

Module 3G/4G USB for Raspberry Pi 3 Model B [closed]

I want 3G/4G dongle to connect it via USB to my Raspberry Pi because I want Internet when there is no WiFi to send same scanned data. Any suggestions (Works in France) ?
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0answers
157 views

Problem with HAT GSM/GPRS/GNSS/Bluetooth

I have: Connected rasspbery pi zero with HAT GSM/GPRS/GNSS/Bluetooth by gold-pins. List item Switched UART to B-position Raspbian version: 9 (stretch) When I used pwdrkey i have only PWR and STA ...
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1answer
151 views

RPI2 interfacing with GSM sim 900

I want to interface rpi2 with gsm module, below is the code for it in python. After running the code i am not getting anything as output except newlines. I have enabled serial interfacing for rpi2 and ...
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0answers
181 views

Get modem msisdn from incoming smstools

I have device and modem connected with sim card. And I have raspberry and smstools installed in the device. It all works very good with smsd configuration. When sms is sent to the the number of the ...
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5answers
7k views

How do I connect GSM SIM 900A to a Raspberry Pi 3?

I want to connect the GSM SIM 900A to a Raspberry Pi 3 but I don't where the problem is. I used this configuration: https://qph.fs.quoracdn.net/main-qimg-c124f9e741afd438969e869e52d0df6b Then I ...
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0answers
30 views

custom mp3 player/phone for blind person controlled by mini numpad keyboard [closed]

My 86 y.o. father can barely see and can not use ordinary keyboard and touch-screen devices. Also it's hard for him to use modern youth-oriented miniature devices with small keys on them. Obviously, ...
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1answer
76 views

I have a problem about connect 3g shield to raspberrypi

import serial portwrite = "/dev/ttyUSB2" port = "/dev/ttyUSB1" def parseGPS(data): print "raw:", data #prints raw data if data[0:6] == "$GPRMC": sdata = data.split(",") if ...
1
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1answer
978 views

Sim900 arduino shield on Raspberry

Just bought this GSM module that is suppose to support raspberry pi but i cant seem to find any wire up tutorial. https://www.ebay.com/itm/253162539156 Can someone give a help? btw: i'm looking for ...
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1answer
976 views

Serial Communication in Raspberry pi 3 B+

I want to communicate between Raspberry pi 3 B+ and GSM GPRS A6. I tried and I am unable to send data to GPRS Module from Raspberry pi. Now, I know that GPIO serial port is disabled by default in ...
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0answers
59 views

Incorrect encoding when software flow control is enabled sim808

I have an issue with my sim808 module and its encoding mechanisms when software flow control is enabled. The issue is simply bad encoding of the lowercase w character (baud rate 115200, Data Bits: 8, ...
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1answer
853 views

Wvdial and 3g Dongle

Hey i'm trying to reach internet trought 3g dongle, i have tried many different variations of wvdial.conf but every time it stucks at same section i have even tried different 3g dongles but even them ...
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1answer
91 views

It is possible to stack two different Add-Ons in Raspberry Pi 3?

I need to create a project that has GPRS/GSM and GPS, but there are no products with both functionalities. I found some Add-Ons that may work but I'm not sure if there is any way to stack both. I know ...
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0answers
90 views

Automate routing metric with multiple interfaces

I have a RPi with 3 interfaces: eth0 - standard ethernet eth1 - GSM modem wlan0 - WiFi How can I automatically prioritise the interface that has access to the internet (eg. I can ping 8.8.8.8 or ...
2
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1answer
2k views

GPS + GPRS in Raspberry Pi 3 Model B

I'm a newbie on what regards to electronic projects, but I will like to set up a GPS tracker to transmit coordinates over a GPRS internet connection (3G or so). I found some Add-Ons that may work but ...
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0answers
373 views

Raspberry pi voice encryption over GSM

I'm not expert in RPI, so I need help to make a voice encryption model for calls over GSM. I have lot of questions. So I want to use raspberry pi 3 and Sim900l for GSM. I will need a microphone for ...
2
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1answer
1k views

Using Mobile WiFi Router as GSM Modem

right now I am kind of digging into the topic of using the RPi to read/write SMS and if possible use it make/receive Phone calls. I have this Router (Huawei E5786), Model E5786s-32a. It seams to ...
0
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1answer
245 views

Alternating ppp0 and ppp1 interfaces

I was hoping I could use some expert help on my ppp interfaces. My setup is as follows. I have a Rpi 3 Model B that has two ppp connections (one 2G sim900 module and one 3G huawei dongle). My system ...
0
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1answer
514 views

How to communicate with the cloud using a Raspberry Pi connected to internet using GSM module sim900?

I am working on a project, in which I need to receive sensor data from remote sensors to internet cloud and sending control signals from cloud to controller. I am using GSM sim900 to access internet ...
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0answers
1k views

How to wire up Raspberry Pi 3 with GPRS Shield SIM900 and how to access it through serial port?

I was able to connect my Raspberry Pi 3 with a GSM/GPRS SIM800L module without problems. (See the image here: https://http2.mlstatic.com/modulo-gsm-gprs-sim-800l-c-antena-arduino-pic-raspberry-pi-...
2
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2answers
475 views

How can I provide my raspberry pi 2 with 3G/4G data?

I'm currently working on a project on my Rpi 2 model B that requires connection to internet through a cellular network via 3G/4G connection. I found some usb modem dongles and some modules, but they ...
0
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1answer
160 views

NO display with raspberry Pi.High voltage at 3.3V output.(Is it dead?)

Recently I was using raspberry pi which was working fine. I tried to use GSM module with it and powered it using the 3.3V pin of raspberry pi and suddenly my raspberry pi rebooted and after it gained ...
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2answers
632 views

Connect GSM module via serial0 and GPS via USB

I have a GPS module connected vía UART in the GPIO. Now I want to add a GSM module to my proyect but my TX RX pins are busy with the GPS. I saw an adapter to connect the GPS through USB with a UART ...
6
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2answers
150 views

Gather data in rural areas

I am building a prototype with temperature and humidity sensors for rural areas and I am trying to determine which is the best way to gather data, since Internet may not be available (no WiFi). I am ...
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1answer
2k views

Sim800 not responding to AT commands

I have a Sim800 GSM module hooked up to pins 8 and 10 of the a PI B+ running the latest version of Jessie. I have configured Jessie so that nothing else is using the TXD0 and RXD0 pins. If I connect a ...
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1answer
75 views

Gsm and Touch display on rasberry pi

Im trying to connect a touch display and a gsm module with rasberry pi at the same time , but the pins which are needed to connect the gsm module with rasberryy pi module are already occupied by the ...
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0answers
213 views

Using Cooking Hacks GPS/GSM shield with Android [closed]

I am new to RPi and was hoping that users had experience using the GPS/GSM shield with any Android OS. If there is some success with this device working with Android, I was going to give it a shot. ...
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3answers
9k views

How to connect GSM SIM800L with RaspberryPi?

I can find a lot of search results for connecting the SIM800L with arduinos, quite a few specs, some answers (1, 2, 3); but what i can't find is how to connect this GSM module to a Raspberry Pi B+ 1.2....
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0answers
151 views

How to connect RPi 2B with SM900?

I have a Raspberry Pi 2B and a SM900 module and I want to make a UART connect with jumpers using raspberry GPIO and the shield pins. My problem is how could I make it? How to power up the SM900? I ...
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1answer
971 views

Internet access with SIM900A very slow on Raspberry Pi

I assume that I'll need a SIM Card Atm I'm using this SIM9000A module connecting it at RXD/TXD pins and establishing ppp connection, however, it doesn't work very well, it takes about 5~10 seconds to ...
3
votes
2answers
1k views

No communication between GPRS module RaspberryPi Zero serial GPIO ports

I am trying to use my RaspberryPi Zero to communicate with an A6 GPRS module (http://www.inkocean.in/gprs-a6-module-sms-board-gsm-gprs-wireless-data-transmission-over-sim900a) Drawing of physical ...
1
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1answer
9k views

connect Raspberry pi 3 to internet via GSM module

I have a GSM module sim900A. How i could connect my pi to internet via that module. this module is connected to usb port and i am able to send sms from it. Now kindly help me to connect internet via ...
0
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1answer
2k views

Need help with interfacing SIM 900A module Python code for RPi 2

I have recently procured a SIM 900A UART module. I am supplying power to the module with +5 and GND of RPi. import serial import RPi.GPIO as GPIO import os, time GPIO.setmode(GPIO.BOARD) ...
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0answers
88 views

Why was my last AT command routine is not viewed in the output?

As I was using pigpio ,so that I can use the GPIO pins as UART or bit banging the serial. I am using a SIM900 gsm module. Here is the code: import pigpio import time import sys TX=23 RX=18 baudrate=...
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0answers
116 views

Listening for keystrokes through a GSM module

So, I would like to connect a GSM module to my Pi to act as a phone, and be able to make a two-way call to my cellular phone. I know this is possible, and have seen a few tutorials on this (https://...
1
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1answer
4k views

Raspberry Pi 3 with SIM808, 7inch display module issues in communication (UART)

First my appologies about the title. Thats the best I could come up with. The problem is like this I integrated a SIM 808 module with Raspberry Pi3 and implemented a simple GPS get command to ...
1
vote
1answer
1k views

fona 808 gps and raspberry pi

Hardware: Raspberry pi 3 (running debian jessie) Fona 808 GSM/ GPS module. Having wired up the module to the pi PI FONA808 3.3V to Vio Ground to Ground TX to RX ...
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2answers
745 views

GSM/GPRS & GPS Expansion

I bought a GSM/GPRS and GPS expansion, but it seem it lacked details. http://www.open-electronics.org/a-gsmgprs-gps-expansion-shield-for-raspberry-pi/ The voltage was not specified, so I assumed one ...
5
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7answers
2k views

Remote Control a Raspberry Pi (currently behind a restricted wifi network)

I build a vending machine, which will be behind different Wifi networks in malls. I cannot influence any configuration of the wifi network. For the regular usage the vending machine uses the internet ...
4
votes
1answer
10k views

How to use internet using PPPD and SIM800 GSM addon?

Trying to use this hat to get internet access on a Pi 2. Followed this tutorial. But, I can't seem to get it to work. What's weird (to me), is if I'm connected to the LAN through ethernet, I get ...
2
votes
1answer
3k views

How to start communication between pi and GSM add-on V2.0

I have mounted on the GSM add-on v2.0(sim 800) on the pi. I have read the AT commands manual but don't know how to initialize the serial connection between both of them till the point AT commands have ...
6
votes
1answer
7k views

Is there a way to attach multiple serial port devices to a single raspberry pi?

I have three separate devices that all need access to a data serial port on the pi. My devices are an accelerometer, a GPS unit, and a GMS cell service chip. I've found tutorials on how to attach ...
1
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1answer
173 views

When raspberry pi is connected via ethernet cable and wifi?

I recently noticed when I connect my RaspberryPi via Ethernet cable and WiFi, there were two IP addresses assigned to it. Questions: Is it some kind of error or It works that way? Is it possible to ...
0
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1answer
6k views

Interface SIM 900A GSM MODEM with Raspberry Pi 2 Model B via I2C

I have bought SIM 900A GSM MODEM. It is working perfectly on serial interface but it require an extra Serial to USB converter module. So I want to interface it with my Raspberry Pi 2 Model B via I2C ...
1
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3answers
1k views

Raspberry as dialin-server

Want use raspberry in a place where isn't any WiFi, but got GSM coverage. Need connect to the device - e.g. looking for a sort of GSM modem solution what will works as classic old-style modem-based ...