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Questions tagged [gsm]

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

101 questions
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-2 votes
0 answers
28 views

I have written a programme that runs on my PI that displays scores in the form of a series of numbers for 4 players, on a hand help device. The scores displayed are held in the cloud. To add numeric ...
OneMoreTerryStone's user avatar
  • 97
-2 votes
1 answer
83 views

I purchased a SMS808-evb V3.2 GPRS/GPS board for a Raspberry Pi project, but cannot find any definitive information regarding Power or TX/RX TTL comms. I have connected a 5V 2A PSU to the barrel ...
davesedar's user avatar
  • 19
0 votes
0 answers
75 views

Device 1: Quectel RM520N-GL 5G connected to https://www.ebay.com/itm/165783027282 One of these. Which has a waveshare logo on it Device 2: https://www.amazon.com/dp/B09LV1VY4S?ref=...
brad's user avatar
  • 109
-1 votes
1 answer
144 views

I have a system which consists of a raspberry pi 5 board and a SIM8200 LTE/5GNR modem which is connected to it via USB. I used to communicate with the modem through the minicom terminal. The problem ...
pauk's user avatar
  • 99
0 votes
0 answers
183 views

smstools3's /var/log/smsd.log keeps giving: GSM1: Checking if modem is ready GSM1: -> AT GSM1: Command is sent, waiting for the answer. (5) GSM1: No answer, put_command expected (OK)|(ERROR)|(0)|(4)...
Geremia's user avatar
  • 173
1 vote
2 answers
423 views

I'm trying to connect my Raspberry Pi 3B with my SIM 900A Mini GSM module: I'm facing the following issues ( maybe they are related, maybe not ) GSM module doesn't work. I've put in a 4G sim card, ...
Pranav Joglekar's user avatar
  • 61
-1 votes
1 answer
493 views

I am using a Raspberry Pi Pico with SIM800l and NEO6M to make a GPS tracker. But it takes about 8s (from recording the GPS signal) to make a http request to the the server. I'm using this library as a ...
MG-LSJ's user avatar
  • 1
1 vote
0 answers
170 views

I have a "Raspberry Pi (2 Model B rev 1.1)" wired with "SIM900A using a "USB to TTL module". Send/recv SMS, make/accept/hang calls functionalities are working as expected ...
Stupid's user avatar
  • 21
1 vote
1 answer
282 views

I need some help with SIM868 GSM/GPRS/GNSS Module for Raspberry Pi Pico. A few months ago I bought SIM868 module and RPI Pico, and it works just fine together. But recently I bought another pair of ...
Ihor's user avatar
  • 19
1 vote
1 answer
214 views

I am creating a circuit with several sim00l connected to different UARTs each with its own external power. But I'm curious if having other objects like cooler-fan connected to other GND of the rpi ...
oscar gutierrez Vargas's user avatar
  • 29
-1 votes
1 answer
313 views

i bought this development board Professional Small Size SIM800C GSM GPRS Module Quad-band Development Board Module Suitable for Raspberry Pi (blue & silver) https://www.amazon.it/dp/B07NVZ59JS/ref=...
Marco's user avatar
  • 1
0 votes
2 answers
677 views

I have mobile internet dongle ZTE MF833R with unlocked SIM card and it is working without any configuration if I plug it into Mac or Linux. If I plug it into Raspi I have # cat /etc/os-release ...
Dims's user avatar
  • 175
-1 votes
2 answers
853 views

I'm working on a project that includes send a SMS message. I have tried connecting my raspberry pi with sim900a. Having problems with communication with sim. I've tried using AT commands with minicom ...
Dannysan's user avatar
  • 1
1 vote
4 answers
672 views

I'm new about Raspberry world.. I'm studying a way to implement a custom beehive monitoring system. I would like to make a premise: I'm studying to organize the project, I'm not yet implementing or ...
Safari's user avatar
  • 121
0 votes
0 answers
306 views

I've been using for a while a Huawei USB dongle as an Internet provider for my Raspberry Pi, which I have connected to my solar panels system at my country house (which doesn't have an accessible ...
Arnyminer Z's user avatar
  • 101

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