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Interfacing of GPS and SIM300 with Atmega32 Both Modules are together in the project

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hetang

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Can anyone tell me that how to interface GPS and SIM300(GSM) module together with atmega 32 ?
Give me Cicuit diagram and coding if you can.
Thanx...................
 

you will need two serial ports for this
or if your controller doesn't have two UARTs then make one software serial UART, it can be easily done if your compiler supports software uart
 

IF your controller doesn't have 2 serial ports go for mux/demux CD4052.. With that u can do it ... Use buffer 74ls244 in between them for better output.
 

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