Questions tagged [gsm]

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

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139 views

Interfacing SIM800L with PPP [LCP Terminated by Peer]

I am using SIM800L, and managed to interface it with RPi3. After successful configuration on /etc/ppp/peers/rnet, my file looks like this connect "/usr/sbin/chat -v -f /etc/chatscripts/gprs -T ...
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4answers
39k views

How do I reset a USB device using a script?

I have a USB GSM modem that does not alwasys work property (Huawei E367u-2) Sometimes it gets reset (USB device disconnect/reconnect in logs) and when it comes back up, it's has different ttyUSB ...
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1answer
91 views

Gsm and Touch display on Raspberry 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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1answer
65 views

Raspberry Pi 3 + USB data modem as a Wi-Fi Router

I have a USB data modem (Huawei E3131) and a RaspberryPi 3B+. I would like to use the Pi as a Wi-Fi hotspot. Pi connects to the internet via USB data modem and creates hotpsot for other devices. So, I'...
2
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1answer
353 views

SIM800 GSM Module To Raspberry Pi UART Serial Communication Problem

I am new to Raspberry Pi Zero and I want to connect it with a GSM module for GPRS connectivity. I bought the SIM800A GSM module but its LED is not even blinking one single time. I am able to turn on ...
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1answer
42 views

GSM module serial is spamming messages on the serial port

I am using the GSM/GPRS/GNSS HAT for raspberry pi zero and after running a simple script import serial import os, time # Enable Serial Communication port = serial.Serial("/dev/ttyAMA0", baudrate=...
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2answers
74 views

Running as a Web Server

I have a RPI 4. I am running buster os I have created a web serer. I use nginx to handle connections If I access it via my private network it works well. If I now use a GSM modem on-board my rpi) ...
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1answer
316 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
519 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? ...
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0answers
243 views

SIM7600E-H-4G-HAT Raspberry Pi Setup

I am trying to get a SIM7600E-H-4G-HAT running on my Raspberry Pi 3B+, but it is not working. Here is what I've done so far: Inserted my SIM-Card, connected the antenna to Main, connected the entire ...
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1answer
397 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 ...
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1answer
104 views

Response to a incoming call using python script

I am trying to implement a system using Raspberry-pi and SIM-800 modules. Now I can see incoming calls from my python script, but it can not parse data. import serial serialport = serial.Serial("/...
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0answers
63 views

RPI GSM Add-on SIM800 AT commands are not working

I am trying to send sms using RPI Add on v22 module and Raspberry-pi 3+. I have mounted this module on top of Raspberry-pi. When I use minicome using minicom -D /dev/ttyS0 -b 115200 -o I get the ...
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1answer
11k 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 ...
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1answer
59 views

Why can't I hear the sounds when making a call?

I was able to make calls using my RPI 3 model B+, Huawei E153 GSM Modem, and minicom. I can see that the cellphone I'm calling was able to answer my call (from my Pi). I plugged in my headphones to ...
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1answer
748 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, ...
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1answer
106 views

Segmentation fault error. Trying to loop a python program [closed]

I'm using AT commands to send data over http, but the problem is that sometimes the program has an error and wont run again until I reboot and the GSM. Im using a crontab and also running the file as ...
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0answers
27 views

Sim800L stops responding after working 10-12 days, after that it needs power reset

Sim800l is not responding anymore after a few days of continuously working and requires restart/reset. It won’t recover by itself or respond to any commands unless a restart or power off is made. If I ...
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0answers
52 views

How to attach Air208 GSM micro sim card board to raspberry pi zero w that already has display attached on GPIO

I have a Air208 GSM micro sim card board that I want to attach to my raspberry pi zero w to make calls. The issue is that I already have a 3.5" tft display attached to the pi zero w via GPIO (header ...
3
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1answer
138 views

3G modem connects and ping is working, can't access web

Huawei E369 3G modem connected to RPi3 Model A+ and managed by NetworkManager cli: connects allows for pinging websites has working DNS But does not allow for performing any http requests using CURL ...
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0answers
42 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....
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5answers
14k 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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2answers
926 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 ...
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2answers
453 views

Which GSM modules can be used with a raspberry pi?

What opportunities exists to connect a GSM module to a Raspberry PI? Which GSM modules are supported or can configured with little effort? What software was used to dial and connect to a GSM Network?
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1answer
282 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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1answer
5k 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 ...
2
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1answer
905 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
209 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 ...
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1answer
2k 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
244 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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1answer
108 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 ...
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0answers
35 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, ...
2
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2answers
2k 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
193 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 ...
1
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1answer
2k 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 ...
0
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1answer
1k 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
78 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
1k 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 ...
0
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1answer
121 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 ...
2
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0answers
119 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 ...
1
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0answers
467 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 ...
3
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3answers
12k 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....
2
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1answer
2k 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
664 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 ...
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 ...
2
votes
2answers
582 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 ...
5
votes
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 ...
0
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1answer
202 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 ...
4
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1answer
11k views

Pi to act as GSM voice phone

I won't know for certain until I've implemented it, but I've marked ppumkin's answer as The Answer. I will have a Huawei 3G (or GSM) dongle attached to my raspberry pi. I haven't purchased it yet, ...