ESP32 GSM Calling Device using the GeoLinker GL868 board with ESP32-S3 and SIM868.
Read more: https://circuitdigest.com/microcontroller-projects/esp32-gsm-calling-device-using-geolinker
This project demonstrates automatic voice calling through a push button and auto-answer functionality for incoming calls.
Learn GSM communication, AT commands, speaker and microphone interfacing, and create emergency calling, security, or wireless communication systems with ease.
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