Describe: Use STC89c58RD+ Series MCU control handset to send and receive text messages of principle, the hardware circuit, PDU data formats and short message send/receive process, at the same time gives an application example. GSM is used by Siemens TC35i, including the RS232 serial interface, single-chip microcomputer used STC89c58RD+, Internal expansion RAM has 256+ 1024 bytes of space, can serve as a message buffer, 1602 Liquid Crystal Display (16 pin) as the display module and procedures for debugging

File list(Click to check if it's the file you need, and recomment it at the bottom):
  ATָ����Ծ���
  ..............\ATtest.rar
  ..............\ReadMe.html
  ..............\setup.exe
  GSM��λ˵���ĵ�.doc
  ���ڵ�������V2.2.exe
  ����
  ....\1602_lcd.c
  ....\delayms.asm
  ....\delayms.LST
  ....\delayms.OBJ
  ....\main.c
  ....\main.LST
  ....\main.OBJ
  ....\readms
  ....\readms.hex
  ....\readms.M51
  ....\readms.Opt
  ....\readms.plg
  ....\readms.Uv2
  ....\readms_Opt.Bak
  ....\readms_Uv2.Bak
  ....\shizhong.c
  ....\STARTUP.A51
  ....\STARTUP.lst
  ....\STARTUP.obj
  ....\tc35i.c

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