I have bought a SIM800L module for sending SMS messages but for some reason it keeps failing.
The Network led keeps flashing approximately every seccond wich i think means that it searches for a network, which is weird because my pay as you go SIMcard has credits and I removed the PIN using a phone.
The AT commands responds:
AT+CPIN: READY ERROR AT+CPIN? ERROR AT+CFUN? +CFUN: 1 OK AT+CFUN=? +CFUN: (0,1,4),(1) OK AT+CMGF=1 ERROR AT+CMGS="XXXXXXXXXXXX" ERROR "TEST"
The module is connected as follows: