2 Daftar Isi, Gbr, Tabel, Lampiran, Istilah Simbol

2 Daftar Isi, Gbr, Tabel, Lampiran, Istilah Simbol - DAFTAR...

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DAFTAR ISI KATA PENGANTAR ............................................................................................... v ABSTRAK ............................................................................................................. vii DAFTAR ISI ........................................................................................................... ix DAFTAR GAMBAR ............................................................................................. xii DAFTAR TABEL ................................................................................................... xv DAFTAR LAMPIRAN ......................................................................................... xvi DAFTAR ISTILAH ............................................................................................. xvii BAB I PENDAHULUAN .................................................................................... 1 1.1 Latar Belakang ................................................................................. 1 1.2 Perumusan Masalah .......................................................................... 2 1.3 Tujuan Penelitian .............................................................................. 2 1.4 Pembatasan Masalah ........................................................................ 2 1.5 Metode Penelitian ............................................................................. 3 1.6 Sistematika Penulisan Skripsi ........................................................... 6 BAB II TINJAUAN PUSTAKA DAN TEORI PENDUKUNG PERANCANGAN .................................................................................... 7 2.1 Tinjauan Pustaka ............................................................................... 7 2.2 Telemetri Suhu dan Kelembaban Relatif Digester Biogas .............. 9 2.3 Suhu dan Kelembaban Relatif ........................................................ 10 2.4 Mikrokontroler AVR Atmega1284P ............................................... 11 2.5 Modem GSM Sebagai Pengirim dan Penerima Data ..................... 14 2.6 Standar Pengantarmukaan Modem GSM (AT -Command ) ............. 16 2.7 Sensor Suhu LM35 ......................................................................... 17 2.8 Sensor Suhu dan Kelembaban Relatif Sensirion SHT11 ................ 18 2.9 Media Penyimpanan Data SD Card ............................................... 22 2.10 Real Time Clock DS1307 dengan Antarmuka I 2 C .......................... 23 2.11 Android ........................................................................................... 28 2.11.1 Keunggulan Android ........................................................... 29 2.11.2 Versi Android ...................................................................... 29 2.11.3 Android Software Stack ...................................................... 32 9
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2.11.4 Fitur Android ...................................................................... 35 2.12 Eclipse ............................................................................................ 36 2.13 Bascom AVR ................................................................................... 38 BAB III PERANCANGAN SISTEM TELEMETRI SUHU DAN KELEMBABAN RELATIF ..................................................................... 39 3.1 Rancang Bangun Perangkat Keras ................................................. 39 3.1.1 Catu Daya ........................................................................... 39 3.1.2 Sistem Minimum Mikrokontroler AVR Atmega1284P ...... 40 3.1.3 Antarmuka Modem GSM dengan ATmega1284P .............. 41 3.1.4 Antarmuka Sensor Suhu LM35 dengan Atmega1284P ...... 42 3.1.5 Antarmuka Sensor SHT11 dengan ATmega32A ................ 43 3.1.6 Antarmuka DS1307 dengan ATmega32A .......................... 44 3.1.7 Antarmuka SD Card dengan ATmega32A ......................... 45 3.2 Perancangan Perangkat Lunak ........................................................ 47 3.2.1 Perancangan Perangkat Lunak pada Mikrokontroler ......... 47 3.2.2 Rutin Interupsi pada Mikrokontroler .................................. 49 3.2.3 Perancangan Struktur Antarmuka Sistem Telemetri Andoid ................................................................................ 51 3.2.4 Perancangan Aktivitas Menu Utama .................................. 52 3.2.5 Perancangan Aktivitas Tampilan Tabel ............................... 53 3.2.6 Perancangan Aktivitas Tampilan Grafik ............................. 55 3.2.7 Perancangan Aktivitas Atur Waktu Sampling ..................... 55 3.2.8 Perancangan Aktivitas Bantuan .......................................... 57 3.2.9 Pengolahan Data Pada Aplikasi .......................................... 57 BAB IV PENGUJIAN DAN ANALISIS .............................................................. 58 4.1 Pengujian dan Pengukuran Rangkaian Catu Daya ........................ 59 4.2 Pengujian Sensor LM35 dan SHT11 ............................................. 60 4.3 Pengujian Koneksi Modem Wavecom ke Mikrokontrole00r ......... 61 4.4 Pengujian Perekaman Data Suhu dan Kelembaban Relatif ke SD Card ............................................................................................... 65 4.4.1 Hasil Uji Coba Perekaman Data di Laboratorium .............. 65 4.4.2 Hasil Uji Coba Perekaman Data di Laboratorium .............. 67 10
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4.5 Pengujian Aplikasi Sistem Telemetri di Ponsel Android ............... 71 4.5.1 Pengujian Antarmuka Aktivitas Utama .............................. 71 4.5.2 Pengujian Antarmuka Aktivitas Tampilan Tabel ................ 71 4.5.3 Pengujian Antarmuka Aktivitas Tampilan Grafik .............. 75 4.5.4 Pengujian Antarmuka Aktivitas Atur Waktu Sampling ...... 77 4.5.5 Pengujian Antarmuka Aktivitas Bantuan ............................ 78 4.6
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