How to send SMS automatically through gprs module

1. Using the serial link module, AT can send short messages.

2, it is enough to realize the process of serial port with single chip microcomputer.

For example, SIM900A sends non-Chinese short messages:

Make sure to register the module on the network first, and then:

AT+CMGF= 1

good

AT+CSCS="GSM "

good

AT+CMGS=" 1358888×××"

& gt Hello, hero!

& gt

+CMGS: 158

good

With your hands.