For my engineering class, we are doing a project that involves sending a text from the arduino uno. We have an itead sim900 gsm/gprs minimum system module. We found a code for the text shield, yet it still will not send a text. I'm not sure if we have it wired correctly. I can't find a wiring guid…

Itead Sim900 Wiring/Programming

dannable May 4, 2014, 5:12pm 4

Links to hardware being used?

Sketch being used? (in code tags)