Sim900 GSM + Arduino Mega 2560


hello...
i follow entire video (https://www.youtube.com/watch?v=wex9ucnpyyw&list=llwr_5gaunelfi3ahgrrdo9g) on arduino, i'm getting db:no resp error on serial monitor.

how can fix it?

db:no resp
db:no resp
db:no resp
trying force baud-rate 9600

1200
2400
4800
9600
19200
38400
57600
115200
error: sim900 doesn't answer. check power , serial pins in gsm.cpp

status=idle



Arduino Forum > Using Arduino > Installation & Troubleshooting > Sim900 GSM + Arduino Mega 2560


arduino

Comments