Step
Step
Step
Step 2.
2.
2.
2. Achieve
Achieve
Achieve
Achieve Automatically
Automatically
Automatically
Automatically AT
AT
AT
AT Command
Command
Command
Command Control
Control
Control
Control
1. Modify the code (Remove // before Timer1)and then upload it again in
Arduino IDE 1.0.X
2. It can automatically respond OK for AT Command