Questions tagged [at-commands]
AT commands are used to control MODEMs, such as GSM/GPRS/bluetooth modules.
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AT Commands for SARA-R510M8S (SARA-R5 evaluation kit)
I am using the SARA-R5 development board, specifically the SARA-R510M8S model (LTE + GNSS), with an Arduino Nano Every. My goal is to determine the GPS position and send its location via SMS, aiming ...
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GSM and LTE-M connection with SIM7070G for MQTT data transmission
I am working on a tracker project using the SIM7070G modem from SIMCOM. The objective is to maximize the connection by working with both LTE-M and GSM, aiming to send location data via MQTT.
I have ...
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Why does a PB-02 ignore a "AT+NAME=abc123"?
When I connect to a PB-02 via UART(8data bits, no parity, 1 stop bit) it does not execute all AT commands.
These work fine:
AT\r\n results in ...
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SIM7080G MFF2 SIM not detected
I have designed and assembled a custom PCB with ESP32 and SIM7080G LTE-M modem, basically an IoT weather station.
SIM7080G datasheet
Everything works fine except for a very important part that renders ...
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Managing AT Commands for SIM COM A7672S SIM Module - Header Appending Issue
I'm currently working with the SIM COM A7672S SIM module to download a file in chunks from an Amazon S3 server.
I am using the AT command 'AT+HTTPPARA="USERDATA","Range: bytes=0-1023&...
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RF verification for SIMCOM7070 modem
We have a custom board featuring a SIM7070 modem with two SMA connectors for GSM and GPS.
After fabrication, the boards are passed through some basic tests to check if the device can operate as ...
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Using HM-10 module vs CC2540/1
Currently I'm trying to buy a BLE module, and the HM-10 module seems to be a module built around the CC2540 or CC2541 chips.
The HM-10 module is a module that works whit UART and AT-commands, I want ...
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How can I make a basic BlueTooth communication between a cellphone and MXCHIP EMC3080-P module?
I'm trying to use the EMC3080-P module from MXCHIP, because it's used in some applications from ST, the company where I had the microcontroller I'm using (for example, the B-U585I-IOT02A discovery kit ...
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Why am I getting incomplete geolocation data for long periods of time using SIM7070g?
I'm facing a problem while working on a tracking application using the SIM7070G module for GNSS data. The application alternates between sending data and retrieving GNSS coordinates due to SIM7070G ...
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How to connect two ESP32 via built-in Bluetooth?
I want to connect two ESP32 dev boards via their built-in Bluetooth to share data between them. (e.g. a remote control car and a controller)
I used to connect two HC-05 Bluetooth modules with the help ...
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AT COMMAND's GC433-TC016 No Response
My question consurns AT Commands using a Serial Port Wireless Device. ( SILICONRA - microchip ) GC433-TC016. I can transmit and receive Serial Port transmissions to Remote units. ( GC433-TC016)
I ...
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Why can't ESP32 read all of serial incoming data?
I am trying to change configration settings of E70 LoRa module. It works with AT commands. Everything is working normally, but I can't read all incoming data; after the "09:25:01.008 -> TFOCFG ...
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SIM900A: Network depersonalization required
I have made experience with sim 800l, it works like a charm. Now I got a new SIM900A module, interferencing it with (RP over python), AT command returns ok, and other basic AT commands, so not the ...
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SIM808 emits random numbers
I am programing a Maduino M0 board with a SIM808 GSM/GPRS/GPS module on it using the Arduino IDE. Periodically, after reprogramming the board a few times, the SIM808 no longer responds to any serial ...
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Problem with GPS old location [closed]
I wrote a GPS driver which sends and reads AT commands. I send the AT+CGPS=1,1 command to get the GPS location and if there is no answer I send ...