IMPLEMENTASI SMS BROADCAST DI GEREJA UNIVERSITAS ADVENT INDONESIA MENGGUNAKAN MIKROKONTROLER AT 89551

ABSTRACT In this study, is elaborated on tlu design of Message Gatewcy wing microcortroller AT89S51 is programmed in C languoge rystem is connected to a GSM modem that serves as a receiver and sender of the message sent by the admin number. Fmm the results that hsve been tried, lhen aty number of admin to send a message to the GSM…