Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [gsm]

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

100 questions
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5 answers

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 numbers. Sometimes on boot, usb_modswitch seems to…
RoboJ1M
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2 answers

Sending and receiving SMS via a huawei 3g Dongle E220

I have a Huawei E220 3G dongle. I have set it up with my Raspberry Pi to connect to the internet by executing the sakis3g script. Now I want to send and receive SMS to and from Raspberry pi via the 3g dongle to my mobile phone. How should i go about…
Avni
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1 answer

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 these to the pi and manipulate each individually, but…
jake9115
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2 answers

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 thinking about radio frequencies, Bluetooth or…
carlosgmeyer
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2 answers

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?
Oliver G.
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4
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1 answer

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, since the model may be determined by the answer to…
neuro
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4
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7 answers

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 via wifi. Goals I want to be able to access the…
Andi Giga
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4
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1 answer

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 different results. If I'm connected to the LAN and run…
user43704
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1 answer

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 so: ping -I ppp0 www.google.com works but curl…
xmichaelx
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3
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2 answers

Tether Android Phone to Raspberry Pi (for MMS/SMS)

I recently got a RPI coming from the land of Arduino, and I was wondering as I've been searching Google for this has anyone found a way to tether their phone to their Pi. I'm looking to use my phone as a way to send MMS/SMS, so basically my RPI will…
eWizardII
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1 answer

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 advice solutions for multiple sim cards.
Audrius
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6 answers

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 wrote this code in Python 3: import serial import…
Hicham Louzali
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0 answers

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 google.com)? The problem is, when the GSM modem has…
Mateusz Majchrzycki
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1 answer

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 pc up via a USB to TTL adapter to the pins I can…
SpeedOfSpin
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3 answers

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. Am i missing something obvious? I'm tinkering…
vesperto
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