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All Journal Jurnal Fisika FLUX Teknologi dan Industri Pertanian Indonesia
Alan Dwi Wibowo
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics

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Desain dan Pabrikasi Alat Ukur Suhu dan Kelembaban Berbasis Modul Mikrokontroler ATMega 16A-PU Joko Santoso; Iwan Sugriwan; Arfan Eko Fahrudin; Tanto Budi Susilo; Oni Soesanto; Hisyam Musthafa; Alan Dwi Wibowo; Susi Susi
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 19, No 1 (2022): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1270.83 KB) | DOI: 10.20527/flux.v19i1.7083

Abstract

Research on design and fabrication of temperature and humidity measuring devices based on the ATMega 16A-PU microcontroller module can be realized directly on the FFB heating system. Temperature and humidity measuring devices consist of DC power supply, voltage follower, SHT11 sensor module, LM35 Waterproof sensor, 20x4 character LCD and ATMega 16A-PU microcontroller module. Whereas the FFB heating system consists of steam, boiler, air control room, and chamber. The system can be realized by placing the LM35 Waterproof sensor inside the air control room and the SHT11 sensor module inside the chamber. This system is also equipped with data acquisition software using the Delphi 7.0 program to display measured data in real-time and save it to Excel and the database. Tests carried out by flowing using wet steam generated from the boiler into the air control room and chamber. The average error value of reading the standard gauge with a gauge that has been made for the LM35 Waterproof sensor with a measurement range of 20-90ºC is 1.22ºC. As for the SHT11 sensor module, the average error value of readings with a measurement range of 20-90ºC and 40-90% is 1.04°C and 4.04%
Active Packaging System from Activated Oil Palm Shells Charcoal Shaped Sachet on Cassava Chips Jabal Nursito; Rini Hustiany; Alan Dwi Wibowo
Jurnal Teknologi dan Industri Pertanian Indonesia Vol 13, No 2 (2021): Vol. (13) No. 2, Oktober 2021
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1055.166 KB) | DOI: 10.17969/jtipi.v13i2.17631

Abstract

Cassava chips are a type of snack that is fried and prone to rancidity if stored for a while. Cassava chips are added to the material that can adsorb gases, such as oxygen and water vapor, to reduce the occurrence of rancidity using a sachet-shaped adsorbent material. Activated charcoal is one of the gas adsorbents. Activated charcoal used is activated charcoal made from oil palm shells and activated with 20% phosphoric acid. This study aims to analyze the decrease in the quality of cassava chips with an active packaging system during storage for 30 days at 45oC. A total of 30 g cassava chips were packed with a standing pouch in polypropylene type and added activated charcoal from oil palm shells activated by 20% phosphoric acid as much as 1.5 g or 0.75 g which was packed with metalized aluminum plastic or LDPE plastic in the form of sachets. Storage of cassava chips with an active packaging system for 30 days and stored at a temperature of 45oC with a humidity of about 60% and observations are every 3 days in aroma and texture scoring test, moisture content, free fatty acid levels, fat content, and peroxide number. During storage from day 0 to day 30, the cassava chips have decreased the quality of the aroma from typical cassava chips to slightly rancid and the texture from crisp to somewhat not crisp. Moisture content, free fatty acid levels, and peroxide numbers during storage have increased. The fat content has decreasedduring storage. Based on this, cassava chips with the addition of 1.5 g activated charcoal and packaged with metalized aluminum plastic become the best active packaging system.
Co-Authors Arfan Eko Fahrudin Hisyam Musthafa Iwan Sugriwan Jabal Nursito Oni Soesanto Rini Hustiany Siti Zubaidah susi susi Susilo, Tanto Budi