Ong K
Abstract
This paper first present briefly the demanding of transmitting business data based on public wireless information network.Then a terminal scheme which has the interface of keyboard input and LCD output uses AVR microcontroller unit and GPRS module is put forward.This terminal may transmit data via two methods of GPRS and SMS.
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This paper first present briefly the demanding of transmitting business data based on public wireless information network.Then a terminal scheme which has the interface of keyboard input and LCD output uses AVR microcontroller unit and GPRS module is put forward.This terminal may transmit data via two methods of GPRS and SMS.
Key concepts: General Packet Radio Service, Terminal (telecommunication), Computer science, Microcontroller, GPRS core network, Wireless, Interface (matter), Embedded system