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All Journal SemanTIK : Teknik Informasi
LM. Fid Aksara
Halu Oleo University
Computer Science & IT Control & Systems Engineering

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PROTOTYPE PENYARING ASAP ROKOK PADA SMOKING AREA MENGGUNAKAN PULSE WIDTH MODULATION (PWM) DAN FUZZY TSUKAMOTO Vega Nataya Kinanti; Muh. Yamin; LM. Fid Aksara
semanTIK Vol 2, No 1 (2016): semanTIK
Publisher : Informatics Engineering Department of Halu Oleo University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (229.375 KB) | DOI: 10.55679/semantik.v2i1.837

Abstract

Smoking is an activity that can damage not only the smokers but also the people around them.The main purpose of making this tool is to put up freshness air and lift a hand for both the smokersand the secondhand smokers in a same room. Pulse Width Modulation (PWM) and Fuzzy Logic byTsukamoto’s method are used in process of making this tool. This tool is designed to control toxic gases from the tobacco smoke by expediting the air circulation in the room. This tobacco smoke filterworks by taking the tobacco smoke outside. The input from this system is MQ2 sensor which detects tobacco smoke and MQ7 sensor that can detect the carbon monoxide then the input result of both sensors will be processing in a microcontroller. Afterwards, microcontroller commands to activate the disposal fan. Hence, this tool is expected can be used by the society and government to control thetoxic gases caused by the tobacco smoke in public areas especially can be used in smoking areas. Keywords— Smoke, Microcontroller, PWM, Fuzzy Tsukamoto, Sensor.
PENINGKATAN KEAMANAN DATA RAHASIA MENGGUNAKAN KRIPTOGRAFI DATA ENCRYPTION STANDARD PADA STEGANOGRAFI AUDIO BERFORMAT MP3 Afriyadin Afriyadin; Sutardi Sutardi; LM. Fid Aksara
semanTIK Vol 2, No 1 (2016): semanTIK
Publisher : Informatics Engineering Department of Halu Oleo University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (809.599 KB) | DOI: 10.55679/semantik.v2i1.1670

Abstract

 Information can be something very precious and needs to be kept confidential. One of the solutions in securing information is to cryptography and steganography. Steganography is the art and science which studies data hiding on a medium such that its presence is not detected by the other party is not entitled to that information, whereas cryptography is a technique to encode (encryption) a secret data into encrypted data is incomprehensible.Steganography method Least Significant Bit (LSB) or low bit coding is a simple method of hiding data in the process, namely by replacing bit less important / least significant bit of each sampling point MP3 filewith a series of binary bits of hidden data. Mathematically LSB perform the conversion value of the lowest bit MP3 samples with values message bits to be inserted.Cryptography algorithm Data Encryption Standard (DES) was adopted by NIST (National Institute of Standards and Technology) a US Federal information processing standards. Generally DES divided into three groups, namely key processing, 64-bit data encryption and decryption of data 64 bits in which a group of interacting with each other.The system in this research was built using steganography method Least Significant Bit (LSB), a cryptography algorithm Data Encryption Standard (DES) and the Java programming language.Keywords— Steganography, LSB,MP3, Cryptography, DES, Java
Co-Authors Afriyadin Afriyadin Muh. Yamin Sutardi Sutardi Vega Nataya Kinanti