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All Journal JST ( Jurnal Sains Terapan ) Infotekmesin
Novita Astin
Politeknik Elektronika Negeri Surabaya
Computer Science & IT Electrical & Electronics Engineering Mathematics Mechanical Engineering Social Sciences Other

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Rancang Bangun Audio Video Vmix Console pada Pertunjukan Live Stream Youtube Citra Devi Murdaningtyas; Novita Astin; Dwi Susanto
JST (Jurnal Sains Terapan) Vol 7, No 1 (2021): JST (Jurnal Sains Terapan)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Politeknik Negeri Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jst.v7i1.1105

Abstract

Melakukan proses mixing Audio Video diperlukan sebuah alat yang berupa mixer, namun harga mixer di pasaran masih sangatlah mahal. Salah satu software yang dapat digunakan untuk menjadi video mixer adalah software VMix. Software VMix yaitu software mixer dan switcher video yang memanfaatkan kemajuan terbaru di dalam perangkat keras komputer untuk menyediakan video mixing HD secara langsung. Namun dikarenakan software VMix merupakan mixer virtual yang dijalankan dengan menggunakan keyboard dan mouse, maka terdapat keterbatasan dalam menjalankan software tersebut. Maka diperlukan suatu alat alternatif yang dapat digunakan pada saat menjalankan software VMix. Dengan menggunakan perangkat Arduino Uno CH340 sebagai mikrokontroler, Hairless MIDI sebagai penghubung Arduino dengan Windows untuk mengirim dan menerima sinyal MIDI, LoopMIDI sebagai virtual MIDI device yang menjadi penghubung antara Hairless MIDI dan VMix, dapat membuat sebuah alat berbentuk console yang dapat digunakan saat menjalankan software VMix. Penelitian ini diharapkan dapat menghasilkan sebuah alat yang dapat digunakan saat siaran langsung menggunakan software VMix pada Live Stream di Youtube. Dari hasil pengujian Console VMix for Video pada software VMix ketika live streaming di Youtube video berhasil dikontrol dengan menggunakan console dengan tingakat keberhasilan 95% , sedangkan untuk tingkat ergonomisnya yang baik.
Augmented Reality untuk Video Stereoscopic Pencak Silat Citra Devi Murdaningtyas; Firza Nugra Satriaputra; Novita Astin
JST (Jurnal Sains Terapan) Vol 7, No 2 (2021): JST (Jurnal Sains Terapan)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Politeknik Negeri Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jst.v7i2.1195

Abstract

There are many kinds of martial arts in Indonesia, both native martial arts from Indonesia such as pencak silat to various imported products from other countries such as karate, judo to capoeira. There are many pencak silat college, both in Indonesia and even around the world. One of the most influential martial arts in the history of Indonesian pencak silat is Tapak Suci. Based on survey data to the general public in Indonesia, out of 53 respondents there are only 20 respondents who know the pencak silat Tapak Suci, besides that only 3 respondents know the difference between Pencak Silat Tapak Suci and other martial arts, this is also reinforced by data from respondents who know that the Champ Light Tapak Suci team is only 5.7%. From these problems, a solution was made in the form of "AUGMENTED REALITY FOR PENCAK SILAT STEOROSCOPIC VIDEO". Augmented Reality can be used by many people because it utilizes Instagram filter technology as an Augmented Reality scan tool. This Augmented Reality content will later display a short video with the Steoroscopic Video technique about the education of the pencak silat tapak suci.
Studi Eksperimen Pengaruh Bentuk Saluran Pada Corrugated Collector Terhadap Performa Pengering Tomat Tenaga Surya Arrad Ghani Safitra; Lohdy Diana; Farida Gamar; Novita Astin; Diki Candra Kusuma; Rio Bagus Sasongko
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.3094

Abstract

Solar Air Heaters (SAHs) are a strategic solution to mitigate post-harvest losses of horticultural commodities caused by inefficient conventional drying. This study aims to analyze the effect of serpentine absorber channel geometries integrated with Fresnel lenses on collector thermal performance and drying effectiveness. The experimental method involved testing three absorber channel cross-sections—triangular, rectangular, and trapezoidal—under outdoor conditions. The results indicate that the trapezoidal design offers superior thermal performance compared to other variations. The trapezoidal collector produced a maximum outlet air temperature of 88.5°C, a useful heat gain of 1,744.49 Watts, and a thermal efficiency of 50%. Application to tomato drying demonstrated that the system reduced drying time by half compared to open sun drying and significantly lowered product moisture content. This study concludes that integrating a trapezoidal absorber with a Fresnel lens effectively enhances the performance of active solar drying systems.
Co-Authors Arrad Ghani Safitra Citra Devi Murdaningtyas Citra Devi Murdaningtyas Diki Candra Kusuma Dwi Susanto Farida Gamar Firza Nugra Satriaputra Lohdy Diana Rio Bagus Sasongko