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2 answers
80 views

I’m working with an ESP-01 (ESP8266, AT firmware) connected to an STM32 “Bluepill”. I receive data from the ESP using UART interrupt (HAL_UART_Receive_IT) and I want to detect when a full response ...
Mohamed Ali Mohamed's user avatar
  • 11
0 votes
1 answer
103 views

I am using EC200U module to make an HTTPS POST request to my Flask server hosted on Render. The SSL configuration seems fine, but I always receive HTTP/1.1 400 Bad Request from the server. Here are ...
Charumathy Ma's user avatar
  • 1
-1 votes
2 answers
136 views

Got a project using ESP32 with SIM7600E 4g LTE module, and im trying to get it to send data to firebase realtime database. i can get it to successfully initialise and connect to cellular network. ive ...
matt gaming's user avatar
  • 5
1 vote
0 answers
77 views

I’m trying to talk to an EBYTE E32-900T30S LoRa module from a Raspberry Pi 4 using the Pi’s UART and a small Python wrapper. The module’s AUX pin goes HIGH, but I get no response to AT queries (e.g. ...
Dobrawa Rumszewicz's user avatar
  • 11
1 vote
0 answers
327 views

I am using this SIM7600E module in QMI mode, by uqmi cli and accessing it using AT commands through the terminal. The new module was reporting AT+CNMP? +CNMP: 1 OK which was kind of strange for me, ...
Anonymous's user avatar
  • 771
0 votes
1 answer
214 views

I'm unable to discover the Bluetooth signal after configuring my BT201 module (KT1025A chip) via serial commands. According to the v2.4 manual, what could be causing this behavior? Steps to Reproduce ...
Gill's user avatar
  • 11
1 vote
0 answers
81 views

I have: PC-server (Windows 10) with Java program OWEN PR200 (ПР200, programmable relay) GSM modem iRZ MC55iT PC-client with installed Owen OPC Server and Scada I need to make a two-side ...
Viacheslav's user avatar
  • 21
2 votes
1 answer
78 views

I am using a Raspberry Pi 3, Python and a SIM7600X hat. I want to be able to forward certain SMS messages on to another mobile number. These messages will have come from the mobile service provider (e....
GordonS's user avatar
  • 295
1 vote
0 answers
81 views

We are trying to connect to a device in SPP. The device sends an "AT+RFCOMM=?" command three times after it closes the SPP link. I couldn't find any documentation about this command and how ...
Adams's user avatar
  • 11
1 vote
0 answers
83 views

I am trying to send some messaged with the SimCom7080G module (Firmware v.17), and it hangs some times, when I send a COAP message (10% chances of a hang, after sending the CCOAPACTION). If I install ...
Adriano's user avatar
  • 1,902
1 vote
0 answers
74 views

Problem Description I am using a Huawei E3531i-2 modem on Windows 10 to send USSD requests via AT commands in PuTTY and Python. SMS sending works fine using AT+CMGS, so the modem is in Modem Mode (not ...
mohamed boulaoudja's user avatar
  • 19
2 votes
1 answer
76 views

I'm trying to send a Persian SMS to a recipient using a GSM modem and PDU mode with UCS2 encoding. The SMS message is in Persian text ("سلام"), and the recipient's number is 0777220XXX. ...
Mohammad Samim Safi's user avatar
  • 118
1 vote
1 answer
217 views

Hi i am trying to send some data to my website using https get method by A7672S module, if i am transfer data through http get method means it is working fine, but while accessing via https it throw ...
Sathish's user avatar
  • 419
0 votes
0 answers
75 views

I'm trying to send SMS messaging through VB.NET using AT-Commands. This is my code below: Imports System.IO.Ports Imports System.Runtime.CompilerServices Public Class Form1 Dim SerialPort1 As New ...
Reirou's user avatar
  • 1
1 vote
1 answer
152 views

I'm working on a small microcontroller project with the Raspberry Pi pico. Since the Pico doesn't support WiFi I added the ESP8266-01. In MicroPython, I cannot access the sockets or ntptime libraries. ...
Eric's user avatar
  • 25

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