Questions tagged [sim800]

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Getting location working on SIM800L with TinyGSM?

Hey Arduino enthusiasts :) I have purchased a LilyGo T-Call board. Which has a Esp32 processor and a SIM800L GSM module. For my project i want to send location data over the 2G cellular network. I am ...
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How to correctly use SSL certs with the Adafruit SIM800H

I am trying to use a Adafruit Sim800H to connect to Azure using MQTT with an SSL certificate. My first step is trying to put a new SSL certificate onto the board. To do this I am using this example ...
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800l v1 Baud rate is not fixing at 115200, How fix it for 115200 for lifelong

I am trying t change the baud rate of sim800l v1. But not successfully happening, every power cycle again going to AT+IPR= 0. I am using the following AT commands for changing the baud rate. 1.AT 2.AT+...
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Error Performing HTTP GET request on google sheets (Apps Script) using TTGO T-CALL

I've tried using several libraries such as TinyGSM, SoftwareSerial, AT commands but I'm guessing the problem to be with my GET request url is https://script.google.com/macros/s/GAS_ID/exec?tag=1234&...