Help in GSM Shield

[brian22]

how to connect automatically the GSM sim900D in the network without pressing the power button? tnx

http://www.etteam.com/prod2013/et-base gsm sim900/ET-BASE GSM SIM900.pdf

 

[Fish4Fun]

Brian,

Methods of enabling the board are discussed beginning on page 6 of the linked document, and they are:

1) Power button.
2) TTL level signal on key "PWRKEY"
3) Set Jumper JP1 to "AT"

You should read the details about each mode in the document you linked.

Fish