Gsm module receives short message

I wrote before that I used vb to send weather forecast to my colleagues regularly through GSM module.

Mainly divided into two parts.

1 is a component that calls VB, so that it can support the reading and writing instructions of com.

2. Find a mobile phone that supports com communication, please read the instructions of this mobile phone in detail.

Then submit the instruction to the com port in VB according to the AT instruction of com.

You'd better bring a database to save your messages. )

Then collect the returned codes to judge whether the message is sent or not and make further judgment.

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The whole process involves com communication instructions. Please carefully refer to your mobile phone type and corresponding instruction code. You can also test through the accessory-Communication-HyperTerminal attached to the system. This is what I used to use.

The code also involves the conversion between Unicode and Chinese characters. You can use off-the-shelf code. You can search them.

There is also a question about the setting of SMS center, which should also be available online.

Needless to say, I believe you can solve the programming problem.

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Good luck with your thesis writing.