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All Journal International Journal of Electrical and Computer Engineering SMARTek Foristek Techno.Com: Jurnal Teknologi Informasi MEKTRIK Indonesian Journal of Electrical Engineering and Computer Science

Mery Subito

Jurusan Teknik Elektro Fakultas Teknik Universitas Tadulako

Author-ID : 387261

Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Mathematics

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PERANCANGAN PLTS SEBAGAI SUMBER ENERGI LISTRIK PADA KANTOR ENERGI DAN SUMBER DAYA MINERAL PROPINSI SULAWESI TENGAH Asse, Ambo; Subito, Mery; Arifin, Yusnaini
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 6, No 1 (2016)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

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One of the technologies that utilizesÂ solar energy in delivering electric energy isphotovoltaic (PV)Â system. It converts solarÂ energy into electric energy directly which isÂ environmental friendly, non-pollution, notÂ taking fossil fuel and low cost maintenance.Â Mineral Resources (ESDM)Â is one of the officesÂ which uses PV system in Palu municipality.Â However, only 3 AC powered by non battery-PVis used in ESDM. In the future, ESDM haveÂ planned to add the capacity of PV system toÂ supply the other AC. The objective of this studyÂ was to design PLTS system for supplying otherÂ AC and lighting especially in evening. In thiscase, sun panel capacity, battery, BCR, andÂ inventers will be determined. This study alsoÂ aims giving information about investment costÂ which is needed by PLTS with battery withoutÂ battery and PLN.Â The calculation in this study used data fromÂ BMKG Meteorology Station Palu and MineralÂ Sources (ESDM)Â office of Central Sulawesi.Â The results showed that the capacity power forÂ supplying Air Conditioner charge and lightingÂ in evening was 122,54 kWh, where the systemsvoltage was 120 volt. moreover, the number ofÂ sun panel was 40 unit with capacity 200 Wp, 15Â unit for battery with capacities 24v 1000Ah.Keyword : Photovoltaic design, Battery, BCR,Â Inverter, Early Investment

ALAT PENGUKUR PEMAKAIAN ENERGI LISTRIK MENGGUNAKAN SENSOR OPTOCOUPLER DAN MIKROKONTROLER AT89S52 Subito, Mery; -, Rizal
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 2, No 2 (2012)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (398.628 KB)

Abstract - kWh-meter as an each hour electrical energy consumption measurer is still using conventional tools which only records the amount of electrical energy used in each hour. By using AT89S52 microcontroller and optocoupler sensor, the conventional kWh-meter was modified to be a measurer which is not only display s the amount of the used electrical energy but also shows the value of money in rupiahs that should be paid by the customer. The principle of how this system works is PLN as a power source of kWh-meter moves the disc of kWh-meter when it is in the underload condition. When the disc spin and pass the optocoupler sensor, the sensor will turn on. Each time the disc cuts the beam of light, the sensor will instruct the microcontroller, the main controller, to process the execution instruction. This execution instruction results in the reading of both a number of rounds per kWh and an amount of rupiahs display ed in LCD. Â Keywords : kWh-meter, microcontroller, optocoupler

IMPLEMENTASI KONTROL PROPORSIONAL, INTEGRAL DAN DERIVATIF (PID) TERHADAP KECEPATAN MOTOR DC Andi Fatmawati, Mery Subito, Baso Mukhlis
Foristek Vol. 8 No. 1 (2018): Foristek
Publisher : Foristek

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Recently, research on DC motor has been rapidly developed, from the wether simple until the advanced / complicated . DC motor utilizes DC power connected to its armature and field (stator) winding, in which the power will be converted to mechanical energy. In addition, DC motor has beneficial in big initial torgue and simple velocity control. When DC motor given the burden of arbitrary, rotation speed of motor also change.PID method was employed to control the rotation speed remaining constant. Implementation and simulation method was proposed in this research. The result shows that when 12,5 V of voltage was applied to DC Motor, at no load – open loop, the rotation speed was 2000 rpm. Increasing load up to 0,5 N.m, decreased the rotation from 2000 rpm to 1404 rpm. Furthermore, for closed loop using Proportional control (P), Proportional Integral (PI) and Proportional Derivatif (PD) control. proved that rotation of motor was unstable. Whereas, PID control method can stabilize the rotation of motor and give just response,reacling steady state at 3,4 s with 0,004 V of error.

SISTEM MONITORING TEKANAN DARAH DAN SUHU TUBUH BERBASIS IoT (INTERNET of THING) MENGGUNAKAN ANDROID Amran Amran; Mery Subito; Alamsyah Alamsyah
Foristek Vol. 10 No. 2 (2020): Foristek
Publisher : Foristek

At this time the development of science leads to the development of technology whose aim is to facilitate all activities and human work. In the medical field even the technology used is increasingly developing more practical, effective and efficient. In the medical world a physical examination or clinical examination is a process carried out by a medical expert to examine a patient's body so that it can find clinical signs of the disease. The use of technology in the medical field today requires a technology that can automatically record the condition of one's blood pressure and body temperature. With the technology that can automatically show the value of clinical examination results are expected to make it easier in the examination. By using NodeMCU which converts the voltage to a digital value and displays it on Android and the MPX5050DP sensor to measure blood pressure and the DS18B20 sensor to measure body temperature, the value sent by the sensor will be processed and displayed on Android. The measurement results are in the form of quantities corresponding to the measured unit such as mmHg (Millimeter of Mercury (Hydrargyrum)) for blood pressure and ˚C for temperature. Results are displayed on the android display. Tests on the device resulted in an error rate from the MPX5050DP sensor of 1.13% for systolic blood pressure, 0.95% for diastolic blood pressure, and at a temperature sensor of 0.5%.

RANCANG BANGUN PROTOTYPE SISTEM PENDETEKSI PELANGGARAN PADA ZEBRA CROSS DI LAMPU LALU LINTAS BERBASIS ARDUINO Uswatun Hasanah; Mery Subito; Muhammad Aristo Indrajaya
Foristek Vol. 11 No. 1 (2021): Foristek
Publisher : Foristek

Current road users cannot be separated from the number of violators, therefore traffic lights are made to regulate traffic on the road. At traffic lights, there is also a zebra crossing which serves as a means of crossing the road for pedestrians. To minimize violations at road intersections, researchers designed a tool to detect traffic violations. Traffic violation detection tool is made in prototype form using a control system with Arduino nano and software. This traffic light system uses LDR and laser sensors to detect these violations by cutting the laser which sends light to the LDR. This tool is also equipped with a webcam camera that functions to photograph violations that occur and a buzzer that functions as a warning to officers and riders in the event of a violation with an average response speed of the webcam of 2.37 seconds and the average response speed of the buzzer is 0.4 seconds. . The snapshot from the webcam is saved automatically on your PC / Laptop.

RANCANG BANGUN SISTEM KEAMANAN KENDARAAN DILENGKAPI DENGAN TEKNOLOGI GPS DAN SMS GATEWAY Abdi Chaerunnas; Mery Subito
Foristek Vol. 10 No. 1 (2020): Foristek
Publisher : Foristek

Vehicle theft is one of the most common cases in big cities. The absence of a security system on a vehicle is one of the causes of the case. Therefore, we need a security system on the vehicle in the form of an alarm and can also perform the tracking function. This study aims to design a vehicle security system using GPS and SMS Gateway technology. This system uses the u-blox Neo6m GPS module, GSM SIM 800L v2 module and Arduino Uno microcontroller. The tracking system uses data from GPS coordinates sent to the user's smartphone number and displayed on the Google Maps application. The accuracy of GPS coordinates in this system when compared to GPS on smartphones has a gap of between 1 - 26 meters. The response time when the user sends a command to track the vehicle to get a reply sms that is ± 37.6 seconds.

RANCANG BANGUN ALAT PENDETEKSI KONDISI TELUR AYAM BERBASIS MIKROKONTROLER ATMEGA 32 DENGAN SENSOR CAHAYA Afdal Tahir; Mery Subito; Agustinus Kali
Foristek Vol. 9 No. 1 (2019): Foristek
Publisher : Foristek

When consumers buy eggs, consumers should be more careful choosing the egg because there are some eggs that the quality has been decreased or the eggs are damaged and cannot be consumed anymore. This is caused by the length of egg storage time and didn’t have a tool that capable to detect the condition of the egg. People or egg breeders / entrepreneurs habit on looking the quality of eggs still use manual way, as a result it takes a long time because it must select the eggs condition one by one. The purpose of this research is to design and make the detection tool of chicken egg condition with ATmega 32 microcontroller using light sensor, so that the time efficiency and the result of egg selection becomes faster. . The use of tools is very easy and simple so that consumers or breeders / entrepreneurs can use it. Then to simplify and speed up the selection time of chicken eggs breeder or entrepreneur to distinguish good and damaged egg condition.

ALAT PENGUKUR PEMAKAIAN ENERGI LISTRIK MENGGUNAKAN SENSOR OPTOCOUPLER DAN MIKROKONTROLER AT89S52 Mery Subito; Rizal Rizal
Foristek Vol. 2 No. 2 (2012): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar

kWh-meter as an each hour electrical energy consumption measurer is still using conventional tools which only recordsthe amount of electrical energy used in each hour. By using AT89S52 microcontroller and optocoupler sensor, the conventional kWhmeter was modified to be a measurer which is not only display s the amount of the used electrical energy but also shows the value of money in rupiahs that should be paid by the customer. The principle of how this system works is PLN as a power source of kWh-meter moves the disc of kWh-meter when it is in the underload condition. When the disc spin and pass the optocoupler sensor, the sensor will turn on. Each time the disc cuts the beam of light, the sensor will instruct the microcontroller, the main controller, to process the execution instruction. This execution instruction results in the reading ofboth a number of rounds per kWh and an amount of rupiahs display ed in LCD.

RANCANG BANGUN ALAT MONITORING PERKEMBANGAN PASIEN PASCA STROKE BERBASIS IoT (INTERNET of THINGS) Selviana Selviana; Mery Subito; Rizana Fauzi; Alamsyah Alamsyah
Foristek Vol. 11 No. 2 (2021): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v11i2.107

The design of this IoT (Internet of Things)-based post-stroke patient monitoring tool was built to monitor patient progress remotely. Flex sensor hardware was used to retrieve data from every movement of the patient's finger muscle strength, then processed by the NodeMCU ESP32 after that the data will be sent to the web server via the IoT platform using a local wireless network. The results of research on the development of post-stroke patients can be displayed to a web server in the form of a table plot of data values for the index finger, middle finger, and ring finger. The post-stroke patient monitoring system can be accessed on PC and Android devices. The results of the sample test from the device obtained the highest value of 3.26 MMT and the lowest value of 0.2 MMT so that the patient's finger muscle strength was declared unstable and frequent changes in muscle strength.

RANCANG BANGUN ALAT MONITORING OUTPUT MODUL PLTB (PEMBANGKIT LISTRIK TENAGA BAYU (ANGIN), BERBASIS DATA LOGGER Ajeng Ayu Maike; Rizana Fauzi; Mery Subito; Tan Suryani Sollu; Alamsyah Alamsyah
Foristek Vol. 12 No. 1 (2022): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v12i1.141

The PLTB module output monitoring system (wind (wind)) is based on a data logger, which in this study was carried out by designing a tool using an INA219 sensor to measure current and voltage, and using Arduino Uno as a data controller and liaison as well as sending the measurement data. sensor to a Laptop whose readings use the PLXdaq application. Based on the research that has been done, this monitoring system shows that it is an efficient and portable monitoring system and PLTB data can be accessed easily via a laptop and can be read directly using the LCD (liquid crystal display). Where the measurement results are in the form of quantities that are in accordance with the measured units such as A (amperes ) for current and V ( voltage ) for voltage, where the results will be displayed through the PLXdaq application in real time. The results of sending current and voltage data on the PLXdaq application have an error that does not exceed 1%.

Co-Authors A.Y. Erwin Dodu Abdi Chaerunnas Afdal Tahir Agustinus Kali Ajeng Ayu Maike Alamsyah - Alamsyah Alamsyah Amran Amran Ardi Amir Ardias, Erwin Asse, Ambo Blestania, Theresa Deny Wiria Nugraha Erwin Adias Saputra, Erwin Adias Erwin Ardias Saputra Fanny Astria, Fanny Hariyanti, Kiki Andes Indrajaya, Muhammad Aristo Kahfi, Ibnu Mohammad Ikhlayel Muhammad Aristo Indrajaya Muhammad Nur Alamsyah Mustari, Aidynal Nurhani Amin Prasetyo, Bayu Putra Putra, Wisnu Rahmat Dwi Qisti, Saiful Rizal - Rizal Rizal Rizana Fauzi, Rizana RR. Ella Evrita Hestiandari Rudi Santoso, Rudi Santoso, Rudi Santoso Sari Dewi Selviana Selviana Setijadi, Eko Tan Suryani Sollu Yuli Asmi Rahman Yusnaini Arifin Zakaria, Alamsyah

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