i am making project to switch devices with GSM
can anyone give me detail hoe to interface 8051 and modem i have kit easy8051 microelectronika with rs-232.
how the asm code to be written to intreface gsm modem with AT commands.
i want to just know that what is the output of GSM modem?
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A modem is a communication device; it doesn't have a single "output" - both the DTE interface and the air interface are two-way!