Alat Pendeteksi Warna Menggunakan Sensor LDR Berbasis Arduino Unop

PROJECT AKHIR II

ALAT PENDETEKSI WARNA MENGGUNAKAN SENSOR
LDR BERBASIS ARDUINO UNO

TUGAS AKHIR

YENITA SARI SITUMORANG

132411041

PROGRAM STUDI D3 METROLOGI DAN INSTRUMENTASI
DEPARTEMEN FISIKA
FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM
UNIVERSITAS SUMATERA UTARA
MEDAN
2016

Universitas Sumatera Utara

PROJEK AKHIR II

ALAT UKUR PENDETEKSI WARNA MENGGUNAKAN
SENSOR LDR BERBASIS ARDUINO UNO

TUGAS AKHIR

Diajukan untuk melengkapi tugas dan memenuhi syarat memperoleh Ahli
Madya

YENITA SARI SITUMORANG

132411041

PROGRAM STUDI D3 METROLOGI DAN INSTRUMENTASI
DEPARTEMEN FISIKA
FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM
UNIVERSITAS SUMATERA UTARA
MEDAN
2016

Universitas Sumatera Utara

PERSETUJUAN

Judul

: ALAT PENDETEKSI WARNA MENGGUN AKAN
SENSOR LDR BERBASIS ARDUINO UNOP

Kategori

: Tugas Akhir

Nama

: YENITA SARI SITUMORANG

NIM

: 132411041

Program Studi

: D-3 Metrologi Dan Instrumentasi

Departemen

: Fisika

Fakultas

: Matematika dan Ilmu Pengetahuan Alam (MIPA)
Universitas Sumatera Utara

Disetujui di
Medan, Juli 2016

Ketua Program Studi
D3 Metrologi Dan Instrumentasi

Dosen Pembimbing
Tugas Akhir

Dr. Diana Alemin Barus, M.Sc

Dr. Syahrul Humaidi. MS

NIP: 196607291992032002

NIP: 196506171993031004

Universitas Sumatera Utara

PERNYATAAN

ALAT PENDETEKSI WARNA MENGGUNAKAN SENSOR
LDR BERBASIS ARDUINO UNO

TUGAS AKHIR

Saya mengakui bahwa Tugas Akhir ini adalah hasil karya saya sendiri. Kecuali
beberapa kutipan dan ringkasan yang masing – masing disebutkan sumbernya.

Medan, Juli 2016

YENITA SARI SITUMORANG
132411041

Universitas Sumatera Utara

DAFTAR ISI

HALAMAN PENGESAHAN ........................................................................... i
SURAT PERNYATAAN .................................................................................. ii
PENGHARGAAN ............................................................................................. iii
ABSTRAK ......................................................................................................... v
ABSTRACT ....................................................................................................... vi
DAFTAR ISI ...................................................................................................... vii
DAFTAR TABEL ............................................................................................. viii
DAFTAR GAMBAR ......................................................................................... ix

BAB I PENDAHULUAN
1.1 Latar Belakang .............................................................................................. 1
1.2 Rumusan Masalah ......................................................................................... 1
1.3 Tujuan Penulis............................................................................................... 2
1.3 Batasan Masalah ........................................................................................... 2
1.4 Metodologi Pembahasan ............................................................................... 2
1.5 Sistematika Penulisan .................................................................................. 3
BAB II TINJAUAN PUSTAKA
2.1 Hujan ............................................................................................................. 4
2.2 Sensor Waterflow YF-S201 .......................................................................... 4
2.3 Spesifikasi Sensor YF-S201.......................................................................... 5
2.4. Mikrokontroller ............................................................................................ 6
2.4.1. Arduino ................................................................................................. 8
2.4.2. Pengenalan............................................................................................ 8
2.4.3. Sejarah .................................................................................................. 9
2.4.4. Hardwere .............................................................................................. 10
2.4.5. Softwere Arduino ................................................................................. 12
2.4.6. Melakukan penginstalan arduino ke komputer .................................... 13
2.4.7. Melakukan penginstalan driver ............................................................ 13
2.5 LCD (Liquid Crystal Display) ...................................................................... 18

2.5.1 Cara Kerja LCD ........................................................................................ 19
BAB III METODE PENELITIAN

Universitas Sumatera Utara

3.1 Diagram Block .............................................................................................. 21
3.2 Perancangan sensor ....................................................................................... 21
3.3 Pengaplikasian LCD ..................................................................................... 22
3.4 Flowchart Sensor........................................................................................... 23
3.5 Flowchart program ........................................................................................ 24
3.6 Cara kerja alat ............................................................................................... 26
BAB IV ANALISI DAN PENGUJIAN
4.1 Pengujian Rangkaian mikrokontroler Arduino Uno ..................................... 27
4.2 Pengujian dan Kalibrasi ................................................................................ 28
4.3 Pengujian rangkaian LCD ............................................................................. 29
BAB V PENUTUP
5.1 Kesimpulan ..................................................................................................30
5.2 Saran.............................................................................................................. 30
DAFTAR PUSTAKA
LAMPIRAN

Universitas Sumatera Utara

DAFTAR TABEL
Tabel 2.1 Spektrum Warna ................................................................................. 9
Tabel 4.2 Data Pengujian ................................................................................... 19
Tabel 4.2.2 Data Perbandingan Uji ............................................................ 21

Universitas Sumatera Utara

DAFTAR GAMBAR
Gambar 2.1 Spektrum Cahaya Pada Prisma ....................................................... 6
Gambar 2.2 Mata Melihat Apel Warna Merah ................................................... 6
Gambar 2.3 Gelombang Frekuensi Warna Cahay .............................................. 7
Gambar 2.4 Panjang Gelombang ........................................................................ 7
Gambar 2.5. Bentuk dan Simbol LDR ............................................................... 11
Gambar 2.6 Arduino Uno ................................................................................... 11
Gambar 3.1 Konsep Dasar Sistem ...................................................................... 14
Gambar 3.2 Struktur Sensor LDR ...................................................................... 15
Gambar 3.3 Rangkaian Arduino ......................................................................... 16

Gambar 3.4 Rangkaian Skematik Konektor dari Mikrokontroller ke LCD ....... 16
Gambar 3.5 Skema Rangkaian Keseluruhan ...................................................... 17
Gambar 3.6 Diagram Alir (flowchart

Universitas Sumatera Utara