Hi i am a newbie , i would realize an anti-theft auto with gsm module to comunicate via sms .
I would install a reed switch in the car and a magnete on the door.
My module not work and i am not sure that the connection is ok, can you give me help ?
The module have 6 pins near the antenna and 3 pins for RS-232 interface and power. (as in the picture)
the six pins are:
SIMR | SIMT
R | T
GND | GND
I connect power at arduino 5v e GND , SIMR at Arduino Tx and SIMT at arduino Rx .
but the module blink a led every second , why not work?
thanks
