I bought the shield with the SIM908 module but I can not get it work. I’ve been working with USB power, and the LED doesn’t blik. I have tried with an external power supply, and then it blinks (7.5V – 150 mA). With both of them I get the following error code: GSM Shield testing. DB:NO RESP DB:N…

Problems with SIM908 DB no resp

system October 12, 2014, 12:14pm 8

Dear I am Also facing the same Issue Plz tell me how to change the PIN number

Topic		Replies	Views
error: sim900 doesn't answer. check power and serial pins in gsm.cpp status=idle Programming	9	4888	May 5, 2021
Sim900 GSM + Arduino Mega 2560 IDE 1.x	1	653	May 5, 2021
Problems with SIMCOM SIM900 GSM/GPRS Shield DB No Resp GSM Shield	1	1441	May 6, 2021
SimCom SIM900 GSM Module DB: NO RESP IDE 1.x	1	1322	May 5, 2021
Problems with SIM900 DB no resp Programming	4	2089	May 5, 2021