Abstract：low-power microcontroller MSP430F149 is used as the main chip in GPRS transmit module design,Through microcontroller sends the GSM / GPRS module SIM900B,Which is embedded TCP / IP protocol,AT commands to achieve various functions. This paper shows that the module in the marine transport of hydrological data, focused on solving module hardware design,short messaging and GPRS network connectivity issues.
2011, Vol. 28 