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All Journal VANOS Journal of Mechanical Engineering Education JTERA (Jurnal Teknologi Rekayasa) Lektrokom: Jurnal Ilmiah Program Studi Teknik Elektro
Bambang Widodo
Universitas Kristen Indonesia
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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SISTEM PENGENDALIAN SUHU DAN KELEMBABAN PADA BILIK DISINFEKTAN BERBASIS BLYNK DENGAN MENGGUNAKAN NODEMCU ESP8266 Daniel Bawer Simanjuntak; Bambang Widodo; Susilo Susilo; Stepanus stepanus; Judo Ignatius Nempung
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 4 No. 1 (2021): Jurnal Lektrokom Volume 4, September 2021
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v4i1.3388

Abstract

Coronavirus Disease 2019 (COVID-19) has been declared by WHO as a global pandemic and in Indonesia it is stated as a type of disease that causes public health emergencies and non-natural disasters, so it is necessary to make prevention efforts including prevention and control (Kemenkes RI, 2020) regarding prevention guidelines. and control of coronavirus disease 2019 (COVID-19). One way to prevent the spread of covid-19 is to spray disinfectants on objects suspected of having a virus. Especially for the human body, disinfectant spraying is carried out in a specially designed room or room. These booths are placed in markets, malls, schools, places of worship and so on. This research was conducted from September 2020 to December 2020 at the Faculty of Engineering, Christian University of Indonesia, Jakarta. Based on the test, it was found that the temperature and humidity can be displayed on the LCD and mobile phones via the Blynk application. Temperature regulation is done by activating or deactivating the exhaust fan and fan. At a temperature of> 280C the exhaust fan and fan will be active, then not active if the temperature is ≤280C. This tool has a measurement accuracy level for a temperature of 99.99% and 99.98% humidity with a thermohygrometer as a measurement reference tool.
SISTEM PENGENDALIAN DAN MONITORING KUALITAS AIR TAWAR SERTA PEMBERIAN PAKAN OTOMATIS PADA BUDI DAYA IKAN NILA MENGGUNAKAN NODEMCU ESP-12F DAVID PARULIAN; Bambang Widodo; Stepanus; Tahan Tobing
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 4 No. 1 (2021): Jurnal Lektrokom Volume 4, September 2021
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v4i1.4201

Abstract

Indonesia is an aquatic country that has great potential in the field of fish farming. "Minister of Maritime Affairs and Fisheries Edhy Prabowo said that the target for freshwater fish production next year is 4,685,446 tons of the total national aquaculture of 18,440,000 tons in 2020. A total of 4,685,446 tons are freshwater fish commodities such goldfish, tilapia, catfish and carp". The important thing in fish farming is the provision of fish feed and controlling water quality in the pond such as temperature and pH levels in the water. This study aims to design a system that can monitor and control pH and temperature in red tilapia aquaculture ponds. In this study, the system will be tested to get the pH and temperature in the pond by following the Indonesian National Standard, which is in the range of 25°C to 32°C, and the pH level of the water is in the range of 6.5 to 8.5 to produce good water quality for tilapia. Based on the test, it was found that the minimum water pH is 7.29 and the maximum water pH is 8.65, then the time needed to make the pH normal again is 2.5 hours, meanwhile the minimum temperature is 26.5°C and maximum is 31.2°C and still meets the requirements. standard, and for feeding tilapia is 40.57 grams.
Perancangan Pembangkit Listrik Mikrohidro 30 Kw Untuk Suplai Listrik Area Wisata di Desa Girimulyo Ngargoyoso, Karang Anyar, Jawa Tengah Ridwan Leksana; Bambang Widodo; Eva Magdalena Silalahi; Judo Ignatius Nempung
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 6 No. 1 (2023): Jurnal Lektrokom Volume 6 No. 1, Maret 2023
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v6i1.5004

Abstract

describe a power plant that employs the flow of water as its source of propulsion. An investigation must be conducted on the subject, specifically water, in order to gain an understanding of its potential prior to beginning the design process for a micro hydro producing unit. The micro hydro power plant in the village of Girimulyo serves as both a source of electricity and a popular tourist and educational destination for the community. Data were gathered from the observations, including the water discharge (Q=0.2 m3/s) and the head/height of falling water (H=22.09 m). obtaining information depending on flow rate and heightof the falling water may already be determined, allowing the Pelton type Micro Hydro turbine to be selected as the drive unit. whereas the 30kW turbine is intended to produce electricity. The major parts of the Pelton type turbine were constructed with wheel diameter D = 448mm, number of nozzles 2, shaft diameter d = 38mm, and gearbox based on the results of the data obtained. flat belt having a 1:1 transmission ratio.
Utilization of Solar Power Plants to Drive Organic Waste Shredding and Grinding Machines Rahmad Samosir; Bambang Widodo; Budiarto Budiarto; Manogari Sianturi; Medyawanti Pane
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.25014

Abstract

Solar power plants continues to experience good development and even PLTS can be used to overcome environmental problems, so this research aims to utilize renewable energy as a driving force for waste processing machines by designing organic waste chopping and grinding equipment. The specified motor power is 2 HP or 1.5 kW with 275 rpm, so the number of panels required is 12 pieces which are converted into AC from DC by the inverter. Based on power and rotation, the torque calculation results obtained are 2760 kg cm, the shaft diameter is 18.86 mm, the belt type is type A with a top belt width of 12.5 mm and a thickness of 8 mm, and transverse pegs with a width of 8 mm, a thickness of 7 mm. and 40 mm long based on ISO 2292 (according to pulley hub thickness). Based on the calculations and transmission design, a waste processing tool was built and then tested. From the tests, it was found that the power produced by PLTS was 1.5583 kW at 2239 Lux light to chop up 2 kg of organic waste. 
Co-Authors Alfronso Sinurat Antonius Doddy Tyas Prasetyo Bernadetha Nadeak Boy Harefa Budiarto Daniel Bawer Simanjuntak DAVID PARULIAN Eva Magdalena Silalahi Fendy Eventius Mugni Fernando Jeremia Siahaan Futung Mustari Handoko Rusiana Iskandar Jalius Salebay Judo Ignatius Nempung Manogari Sianturi Medyawanti Pane Mulya Haryanto Nana Heryana Rahmad Samosir Ridwan Leksana Rizki Pardamean Sinaga Robinson Purba Sirdo Hasibuan Stepanus Stepanus Stepanus Susilo Susilo Susilo Tahan Tobing Teddy Gama Silalahi