The Arduino code takes all of the individual dialed numbers and combines them into a phone number. The sketch is set up so that after the 10th digit is read, the phone call is placed using an off ...

arduino gsm security alarm. ... // RX and TX pins to communicate with GSM module #define msg_key 7 #define call_key 8 #define end_key 9 String number ="0000000000"; // Add the 10-Digit Mobile Number ...

GSM module 10 Articles Sink Your Teeth Into PiPhone. ... He doesn’t have the code up on GitHub as of this writing, but he will capitulate to high demand. Make the jump to see ...