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All Journal Buletin Udayana Mengabdi Biopropal Industri Jurnal SPEKTRUM
A. Andriani
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Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Program Sosial Budaya Pengembangan Objek Wisata Museum Tjok Agung Tresna di Desa Ayunan Kecamatan Abiansemal Kabupaten Badung L.G.M. Karisma; A.N Marhaeni; I.P. Kuswara A P; Y. Lapian; A. Andriani; I.G.N.S. Bramantha P; L. Jasa
Buletin Udayana Mengabdi Vol 18 No 3 (2019): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (234.748 KB) | DOI: 10.24843/BUM.2019.v18.i03.p06

Abstract

Desa Ayunan merupakan Desa yang terletak di Kecamatan Abiansemal, Kabupaten Badung. Memiliki alam yang indah, suasana pedesaan yang masih asri dan sejuk, dan lahan pertanian yang masih bertahan sampai saat ini ditengah pembangunan kota yang terjadi. Keberadaan Keadaan Desa yang seperti ini tidak terlepas dari banyaknya sejarah yang dimiliki Desa Ayunan. Dari keadaan seperti ini, maka mendorong Desa untuk membangun sebuah Museum di kawasan Desa yang diberi nama Museum Tjok Agung Tresna. Museum Tjok Agung Tresna berdiri atas gagasan seorang seniman yang sadar akan sejarah dan potensi yang dimiliki Desa. Kata kunci : Seni, Budaya, Museum, Sejarah, Pengabdian Kepada Masyarakat, Desa Ayunan.
PENGARUH KONSENTRASI KULIT SINGKONG DAN SUMBER NITROGEN TERHADAP PRODUKSI GLUKOAMILASE OLEH Aspergillus awamori KT-11PADA SUBMERGED FERMENTASI (Effect of Cassava Peelfor Glucoamylase Production by Aspergillus awamori KT-11 in Submerged Fermentation) Urip Perwitasari; S Amanah; M.D. Wahidiyah; . Nuryati; R Melliawati; L.N. Kholida; A. Andriani; A. Thontowi; A. Purnawan; A. Fathoni; S. Hartati; Y. Lusini; . Yopi
Biopropal Industri Vol 11, No 2 (2020)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36974/jbi.v11i2.6079

Abstract

 The expensive price of glucoamylase is due to the high cost of enzyme production. Utilization biomass is expected to be an alternative raw material to reduce the cost of producing enzymes without reducing the quality of the product. Aspergillus awamori KT-11 is known to be able to produce glucoamylase by utilizing biomass waste. This study aimed to optimize glucoamylase production from A. awamori KT-11 by utilizing cassava peel as an alternative substrate with variation nitrogen source through Submerged Fermentation (SmF). Variables carry out in this study were the concentration of cassava peel (5-30%), nitrogen sources (casein hydrolyzate, yeast extract and sodium nitrate). The results showed in the concentration of cassava peels and nitrogen sources affect glucoamylase production. The optimum glucoamylase activity was 3984,935 U/L in 10% of cassava peel in medium. The other results showed different sources of nitrogen significantly influence glucoamylase production. The addition of yeast extract increased glucoamylase activity to 4617,894 U / L.Keywords: Aspergillus awamori KT-11, glucoamylase, cassava peel, submerged fermentation (SmF)ABSTRAKBahan baku yang mahal dalam produksi glukoamilase mengakibatkan harga jual glukoamilase tinggi. Pemanfaatan biomassa tinggi karbohidrat diharapkan dapat menjadi alternatif bahan baku untuk menurunkan biaya produksi enzim tanpa menurunkan kualitas dari produk yang dihasilkan. Aspergillus awamori KT-11 diketahui mampu memproduksi glukoamilase dengan memanfaatkan limbah biomassa. Tujuan penelitian ini adalah optimasi produksi glukoamilase dari A. awamori KT-11 dengan memanfaatkan limbah kulit singkong sebagai substrat alternatif dengan berbagai sumber nitrogen melalui Submerged Fermentation (SmF). Variabel yang dilakukan pada penelitian ini yaitu konsentrasi kulit singkong (5-30%), sumber nitrogen (kasein hidrolisat, yeast extract dan natrium nitrat). Hasil riset menunjukkan konsentrasi kulit singkong dan jenis sumber nitrogen mempengaruhi produksi glukoamilase. Aktivitas glukoamilase optimum diidentifikasi ketika konsentrasi substrat kulit singkong sebesar 10% yaitu 3984,935 U/L. Penambahan sumber nitrogen yang berbeda mempengaruhi produksi glukoamilase secara signifikan. Penambahan yeast extract meningkatkan aktivitas glukoamilase menjadi 4617,894 U/L.Kata kunci: Aspergillus awamori KT-11, glukoamilase, kulit singkong, submerged fermentasi (SmF)
STUDI PERBANDINGAN EFISIENSI ENERGI DAN BIAYA OPERASIONAL KOMPOR INDUKSI DAN LPG BERBASIS IOT A. Andriani; H.C Soetanto; G.K. Sandy; I. N. S. Kumara; W. G. Ariastina
Jurnal SPEKTRUM Vol. 12 No. 3 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2025.v12.i03.p12

Abstract

This study designs an Internet of Things (IoT)-based monitoring system for 2 kW induction and 2 kW LPG stoves, supporting Indonesia's 2060 Net Zero Emission energy transition policy. Utilizing Arduino Mega 2560 with ESP8266, PZEM-004T sensor, K-type thermocouple, load cell, and Blynk platform, the system provides real-time monitoring of voltage, current, power, temperature, gas mass, and operating time. Data is accessible via a mobile application and stored on an SD card for analysis. Safety features include remote electricity/gas cut-off and active stove notifications. Testing reveals the induction stove's higher efficiency, heating 400 ml of cooking oil in 193 seconds with 0.06 kWh, compared to the LPG stove's 281 seconds with 19.18 grams of gas. Operational cost analysis indicates the induction stove is more economical (Rp 101.97) than subsidized LPG (Rp 159.87), suggesting a more favorable long-term investment for induction technology. By facilitating data collection, remote control, and review, the proposed system allows for evaluation of both technical and economic efficiencies. This study offers an IoT based technical solution and economic assessment that support the national policy shift toward induction stove.
Co-Authors . Nuryati . Yopi A. Fathoni A. Purnawan A. Thontowi Anak Agung Istri Ngurah Marhaeni G.K. Sandy H.C Soetanto I. N. S. Kumara I.G.N.S. Bramantha P I.P. Kuswara A P L.G.M. Karisma L.N. Kholida Lie Jasa M.D. Wahidiyah R Melliawati S Amanah S. Hartati Urip Perwitasari Wayan Gede Ariastina Y. Lapian Y. Lusini