full code of a sim900 module . written in codevision avr with keyboard and lcd 128*64. write you message with keyboard directly connected to avr and edit your message in lcd then press F2 to send the message with sim900 . and receive the answer and show it in lcd without any computer.

SMS Sender\1290594868_26972_FT41321_gsm.jpg
..........\AT Command.pdf
..........\gpr.c
..........\gpr.h
..........\gsm.h
..........\kb.c
..........\kb.h
..........\low_level_init.c
..........\main.c
..........\main.pdf
..........\main.prj
..........\pindefs.h
..........\Scan Codes -- Set 2.pdf
..........\scancodes.h
..........\serial.c
..........\serial.h
..........\usart.h
..........\Wavecom GSM modem test hyper terminal2-500x500.jpg
SMS Sender

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