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Sim900GPRS stc89c52 single-chip microcomputer control module

Time:10-09

Urgent for single chip microcomputer control GPRS module to take the initiative to send SMS c language program, requirements to the content of the fixed telephone number to send text messages, (for example 12345678911 number to send the content of the "system test")

CodePudding user response:

Consult the "http://blog.sina.com.cn/s/blog_524846000101cwtr.html"
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