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Djoko Hari Praswanto
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JASTEN (Jurnal Aplikasi Sains Teknologi Nasional
Published by Institut Teknologi Nasional Malang
ISSN : ""     EISSN : 27470598     DOI : https://doi.org/10.36040/jasten.v3i1
Core Subject : Humanities, Science, Education, Art, Engineering,
Arts Humanities Engineering Physics Other
JASTEN merupakan jurnal pengabdian kepada masyarakat yang diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Institut Teknologi Nasional (ITN) Malang. Jurnal ini merupakan hasil dari hilirisasi kegiatan penelitian pada bidang sains, teknologi dan seni yang diaplikasikan kepada masyarakat. Jurnal ini diterbitkan 2 kali dalam 1 Tahun pada bulan April dan Oktober. e-ISSN : 2747-0598 Subyek : Sains, Teknologi dan Seni
Arjuna Subject : Umum - Umum
Articles 6 Documents
 1 
Search results for , issue "Vol. 2 No. 1 (2021)" : 6 Documents clear
PEMBUATAN BAHAN DASAR BIOETHANOL SEBAGAI UPAYA PEMANFAATAN LIMBAH KULIT BUAH NANGKA PADA CV. KAJEYE FOOD MALANG harimbi setyawati; Erni Junita Sinaga; Jimmy; Sekar Arum Sari; Iva Izatul Mila; Dinda Galuh Puspitaningrum; Dhea Dwi Novitasari; Nur Hendri Wahyu Firdaus
JASTEN (Jurnal Aplikasi Sains Teknologi Nasional) Vol. 2 No. 1 (2021)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (520.331 KB) | DOI: 10.36040/jasten.v2i1.3434

Abstract

CV. Kajeye Food is a company engaged in food processing, namely fruit and vegetable chips, with the increase in jackfruit production from year to year will be directly proportional to the productivity of jackfruit waste. Currently the disposal of jackfruit straw waste is a problem for CV. Kajeye Food, for that we need counseling and training in making reducing sugar which is the basic ingredient of bioethaniol. Jackfruit straw is the part of the jackfruit that does not experience pollination in the form of yellow fibers. Jackfruit straw has a composition consisting of 13.45% starch, 65.05% water. This material can be converted to bioethanol through hydrolysis and fermentation processes. One of the best efforts to treat jackfruit skin waste is by making the potential content of jackfruit straw starch can be used as an alternative fuel, namely, bioethanol. The processing of jackfruit often causes waste, from the total weight of jackfruit as much as 65-80% can become waste. Jackfruit straw occupies a fairly large portion, namely 40-50% of the total waste produced. Jackfruit straw contains carbohydrates in the form of sugar, nutritional content such as in jackfruit and cellulose.
PRODUK KERAJINAN BERBASIS KORAN BEKAS SEBAGAI UPAYA PEMBERDAYAAN IBU-IBU RUMAH TANGGA KELURAHAN TASIKMADU prima vitasari; ST. Salammia; Sri Indriani; Anis Artiyani; Shinta Prastika; Priska Wulandari; Fatimah Az Zahro; Merina Ayu Ardini; Ina Anggraeni
JASTEN (Jurnal Aplikasi Sains Teknologi Nasional) Vol. 2 No. 1 (2021)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (319.567 KB) | DOI: 10.36040/jasten.v2i1.3435

Abstract

The increasing consumption of news and information that is widespread throughout the city has made used newspaper waste become abundant, due to the lack of attention from the public and the government. In fact, used newspaper waste can be processed into a product that has high economic value. The amount of paper or newspaper waste itself should be an opportunity to get extra income that can be obtained by local residents, one of which is a biocomposite material that can be used for handicraft products and other accessories. Efforts to empower the potential of housewives should be something that needs to be done, especially for those who depend on their family's economic income only on their husbands. As happened in Kelurahan Tasikmadu Malang, most of the housewives there have not even realized their potential. That reason is the background for the implementation of counseling on the use of newspaper biocomposite which aims to motivate and explore the potential of housewives in Kelurahan Tasikmadu Malang, especially in the neighborhood of RT 1 RW 4 Tasikmadu. With this training, it is hoped that mothers can gain knowledge and skills so that they can be applied in real life. The end result hopes that this activity can contribute to mothers to improve family welfare.
Penggunaan Sistem Keuangan Berbasis Ms. Accesss Dalam Meningkatkan Kualitas Pengelolaan Keuangan UKM Keripik Pisang “Ramesta” Arif Rizki Fadhillah; Dadang Hermawan
JASTEN (Jurnal Aplikasi Sains Teknologi Nasional) Vol. 2 No. 1 (2021)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1007.984 KB) | DOI: 10.36040/jasten.v2i1.3436

Abstract

A computer-based financial management system is an urgent matter, so that it can help SMEs in running a business with easy and good financial management. One of them is UKM Ramesta, which still uses traditional management systems, so that they do not yet have a financial management system that meets accounting standards. Based on the problems faced by UKM Ramesta, it is necessary to provide training for UKM partners on financial management based on Microsoft Access using the Cashflow Simplebook software. The purpose of this activity is for SMEs to experience increased performance and business competitiveness. Implementation methods in solving problems with UKM Ramesta partners, including: problem identification, problem solution, discussion of the Ramesta UKM implementation team and partners, training on Microsoft Access-based SME financial management systems, evaluating the use of simplebook cashflow software for SME financial management. The conclusion of this activity is to increase the ability and knowledge of UKM Ramesta partners in managing the financial system, the use of the Cashflow Simplebook application helps UKM Ramesta in preparing better financial reports.
PENERAPAN MESIN PENGASAPAN IKAN PADA SENTRA USAHA IKAN ASAP KABUPATEN SIDOARJO Sany Andjar; Julianus Hutabarat; Dayal Gustopo; Dwi Ana Anggorowati; Muhammad Fatkhurozi; Yoga Putra Alviansyah; Nur Efendi; Widhiyanto
JASTEN (Jurnal Aplikasi Sains Teknologi Nasional) Vol. 2 No. 1 (2021)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (415.941 KB) | DOI: 10.36040/jasten.v2i1.3438

Abstract

On the northeast coast of Sidoarjo Regency, East Java, most people carry out smoking business activities and have become a superior product for Sidoarjo Regency. The delicacy of smoked milkfish from the area which is the gateway to East Java Province is produced only from freshly caught fish. Fish are cultivated by paying attention to good water circulation so that they do not smell like the soil. Not only that, to produce savory smoked fish, fish must be processed traditionally, only with natural ingredients. The smoked fish craftsmen have fully memorized these conditions and guarded them for the continuity of their business. Smoked fish business centers in Sidoarjo are scattered in Sedati and Tanggulangin Districts. However, the largest is in Penatarsewu Village, Tanggulangin District. Processed fish is not limited to milkfish, but almost all types of fish caught in the sea and cultivated, such as tilapia, catfish and tuna. Different from the character of the village in general, almost every resident's house in Penatarsewu has a burning chimney. Some of the chimneys were made of iron, but others were constructed of red bricks mixed with sand and cement.
Penerangan Buatan Menggunakan Panel Surya Untuk Budidaya Bunga Krisan di Desa Blarang Kecamatan Tutur Nongkojajar Kabupaten Pasuruan Taufik Hidayat; D. H. Praswanto; Rachmadi Setiawan; Bima Romadhon Parada Dian P
JASTEN (Jurnal Aplikasi Sains Teknologi Nasional) Vol. 2 No. 1 (2021)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (679.343 KB) | DOI: 10.36040/jasten.v2i1.3443

Abstract

Chrysanthemum is one of the most important flowers and has the highest consumption in the world. Apart from being used as ornamental flowers and cut flowers, several types of chrysanthemum are used as herbal plants, with their anti-microbial and anti-fungal properties, chrysanthemum plants are developed as a cure for tumors and cancer. One of the locations of chrysanthemum farming in East Java is Tutur District, Pasuruan Regency. Located at an altitude of 400 - 1,600 meters above sea level (masl), chrysanthemum cultivation in Tutur District is carried out by farmers who are members of the Agro Mitra Cooperative. In this community service program, several new problems were found from farmers who have used PLTS technology in greenhouses. The connection of an inductive load in the form of a water pump in a solar panel installation that uses a modified sine wave inverter causes the water pump and inverter to burn due to bad harmonic effects, so that the inverter will be replaced from the modified sine wave type to a pure sine wave inverter. The results of the activities that have been carried out are the assembly and installation of a pure sine wave inverter on a 1,400 Watt PLTS which is used to supply electricity to lighting for chrysanthemum plants and the irrigation process at Partners. Check the feasibility of greenhouse electrical installations. In addition, counseling and training on how to care for solar panels was also carried out. It is hoped that with this community service activity (abdimas), the provision of electricity from solar energy can help farmers improve the process of cultivating chrysanthemums because electrical energy will continue to be available. The application of pure sine wave inverters works better in handling various types of greenhouse loads, especially inductive loads. Besides that, with the pure sine wave inverter system, farmers do not need to worry if the PLTS system must be used to turn on the water pump for irrigation purposes.
PERBAIKAN MESIN PENGERING DAUN AFRIKA DI SMKN 1 WONOSARI KABUPATEN MALANG MENGGUNAKAN METODE REVERSE ENGINEERING D. H. Praswanto; Siswi Astuti; Endah Kusuma Rastini; Fourry Handoko
JASTEN (Jurnal Aplikasi Sains Teknologi Nasional) Vol. 2 No. 1 (2021)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (938.99 KB) | DOI: 10.36040/jasten.v2i1.3572

Abstract

Sumberdem Village in Wonosari Subdistrict, Malang Regency, has agricultural products in the form of medicinal plants, one example is African leaves. This plant is used as a tea product for consumption by diabetics. SMKN 1 Wonosari is a partner that produces African leaf tea. To make African leaf tea products, use a dryer. The drying machine owned by SMKN 1 Wonosari was not optimal due to several problems when we used it. There were 3 problems when the team used the partner's dryer, namely the location of the heating element was not optimal so that the drying of the African leaves was not evenly distributed, the sharp edges of the racks could cause work accidents and the wheels on the drying mat were not strong enough to withstand the load. The solution to the problem used is repairing the dryer. There are 3 methods in community service activities carried out to achieve the outcome, namely the approach method, the reverse engineering method and on the job training. The result of this activity is an African leaf drying machine using a heating element on each shelf. This drying machine with 1450 watts of power has the advantage that the results of drying African leaves can be evenly distributed, drying time is faster and safer to use. The use of this drying machine partners can save production costs of Rp. 7,403 for every 4kg of wet African leaves.

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