This function is called whenever TCP connection is established (or re-established). put your connect codes here. connect("qwertyuiop", 0, 0, "", "", 1, 0, 0, 0 ...

Simple GSM shield Manager for Blynk and ESP32 / ESP8266 boards, with or without SSL, configuration data saved in SPIFFS / EEPROM. This library enables user to include both Blynk GSM/GPRS and WiFi ...

Abstract: This paper introduces the design and prototype of a new home automation system that utilizes GSM technology as the network infrastructure to connect its components. The proposed system is ...

This project aims to replace a SIM800 module with a BK A7670E (4G) module without modifying the original hardware configuration, if the size allows it The goal is to allow an update of the system ...

I've got a couple of SIM800L modules in remote devices that have been running for years. A few days ago both stopped registering with the (One NZ) network at the same time, and no longer connect at ...