Using Gsm module u can make calls do message from Arduino to The given file named screenshot is circuit diagram And the file with .ino is code for Arduino Uno please contact me @roboticsunited on Instagram Or my WhatsApp no. Is 9138670400
harshitjindal01/Arduino-based-calling-and-messaging-system-using-gsm
Using Gsm module u can make calls do message from Arduino
C++