SISTEM PENGENDALIAN PINTU MELALUI JALUR TELEPON DAN KEYPAD YANG DIDUKUNG OLEH BAHASA PEMOGRAMAN ASSEMBLER

Adila, Aprinal (2014) SISTEM PENGENDALIAN PINTU MELALUI JALUR TELEPON DAN KEYPAD YANG DIDUKUNG OLEH BAHASA PEMOGRAMAN ASSEMBLER. Teknika Unand, 2 (27). ISSN 0854 - 8471

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Abstract

Telephone band earn is also used to deliver data One of the system delivery of data which is often used is with system of DTMF ( Dual Tone Modulation Frequency).Sistem delivery of data use DTMF sinyal represent system delivery of data with two frequency, that is high frequency and low frequency. Hereinafter DTMF sinyal will be turned into digital sinyal by DF-88 used to move motor of stepper. While for the system of operation of short distance use matrix keypad Both of this system is provided with code of password [so that/ to be] security system creation. If entered by password is correctness pass both the system hence door will be open and closed. Kata kunci: DTMF(Dual Tone Mode Frequency), KodePassword, Keypad Matriks, Jalur Telepon, dan Motor Stepper

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