waiweng83 WROTE:In short, you need 2 GSM modems, a USB to RS-232 converter, a GPS module, a MCU with supporting circuit and also a MAX 232 circuit.
The connection for the GSM server should look like this:
PC --- USB to RS232 Converter --- GSM modem.
While the connection on the bus should be:
GPS --- MCU --- MAX232 --- GSM Modem.
Please take note that the MCU you choose should have at least 2 UART ports.
haneyf WROTE:Thanks....but i still confious about gps module....gps module mean that i only use "32 Channel GPS Receiver" ..it's true?......then....MCU mean Multipoint Control Unit...but i can't imagine MCU like?....can i use SK-40C to interface between GPS module and MAX232.......
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