Learn how to send real-time SMS alerts from your ESP32 without using a GSM module. Use Wi-Fi and Circuit Digest’s free SMS API to get instant notifications for IoT projects like motion detection, ...

The new Elektor book GSM/GPRS Projects contains PIC and Arduino based projects that will enable you to control equipment remotely by sending SMS messages from your mobile phone to the microcontroller, ...

While [Ilias Giechaskiel] was waiting for his SIM900 shield to arrive, he decided to see what he could do with an old Nokia 6310i and an Arduino. He was researching how to send automated SMS text ...

GSM-Based-Voltage-Alert-System-using-Arduino-SIM800L This project monitors voltage using a potentiometer connected to an Arduino. When the voltage reaches 4.8V or higher, the system automatically ...

Contribute to technolabelectronics/Control-6-Relays-via-DTMF-Call-SMS-with-TIMER-Authorized-Users-Arduino-SIM800L-GSM-EEPROM development by creating an account on GitHub.

The GSM Shield also includes a Telefonica SIM card that includes a worldwide data tariff which can be used anywhere there is a cellular signal.

Real Time Home Security System using GSM Technology-An Anti-theft System! This project deals with the design & development of a theft control system for home, which is being used to prevent/control ...