envoyer sms avec SIM900 GSM GPRS - Arduino Forum
Dec 14, 2017 · SIM900 GSM GPRS Shield with Arduino | Random Nerd Tutorials This post is a complete guide to the SIM900 GSM GPRS Shield with the Arduino. Learn how to sends SMS, …
SIM900: GSM-Module is no longer working. How to reset?
Jul 27, 2013 · Hello I am using a SIM900 GSM shield in combination with an Arduino Uno and the open electronics library (Google Code Archive - Long-term storage for Google Code Project …
GSM module SIM 900 Problem to send SMS (FIXED VERSION)
Aug 22, 2021 · In-Depth: Send Receive SMS & Call with SIM900 GSM Shield & Arduino Learn about SIM900 GSM GPRS Shield along with its Pinout, Antenna & Power Supply Selection, …
Diferencias entre SIM800, SIM800L y SIM900. Alimentación
Jul 28, 2021 · SIM800 y SIM900 son ambos cuadruple banda: 850, 900, 1800 and 1900 MHz. SIM900 es el mas viejo (esta obsoleto), es el predecesor del SIM800. SIM800C tiene …
Problème SIM900 - Français - Arduino Forum
Mar 14, 2020 · SIM900 GSM GPRS Shield with Arduino | Random Nerd Tutorials This post is a complete guide to the SIM900 GSM GPRS Shield with the Arduino. Learn how to sends SMS, …
R4 + GSM shield SIM900 - UNO R4 WiFi - Arduino Forum
Dec 1, 2023 · Hi, Has anyone tried connecting Arduino Uno R4 to the SIM900 shield? It works fine for me with Arduino Uno R3. When using the same shield, the same code, and the same pins, …
SIM900a returning -1 on AT Commands with ESP32 - Arduino Forum
Jan 11, 2023 · I am using NodeMCU - ESP32 with SIM900a Mini Version 3.8.2 and trying to connect them through serial. However, the AT commands I send return -1 always. Here is my …
[SOLVED] AT Command to SIM900 Returns 'ERROR' - Arduino Forum
Jun 5, 2020 · I also have SIM900 shield connected to Arduino as I need to send text messages to various numbers. The phone numbers are extracted from MySQL DB by the VB application …
No response to AT command in Arduino shield SIM900
May 15, 2018 · I have an Arduino Uno board companied with a SIM900 shield (the one in the picture). By uploading this code to Arduino, I am able to send an SMS to my phone number (I …
SIM900a Modem IMEI 0, Help with TX RX Pins - Arduino Forum
Sep 9, 2017 · Hello I have Simcom SIM900a GSM (SIM900 (SIM900A) Mini DEV Board v3.9.2) and I am interfacing it with Arduino UNO. I have no idea how to connect SIM900a to Arduino …