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All Journal JURNAL NASIONAL TEKNIK ELEKTRO SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi CIRCUIT: Jurnal Ilmiah Pendidikan Teknik Elektro Praxis : Jurnal Sains, Teknologi, Masyarakat dan Jejaring
Adlan Bagus Pradana
Universitas Gadjah Mada
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PERANCANGAN TUNER GITAR OTOMATIS DENGAN METODE OPEN TUNING BERBASIS SINGLE BOARD MICROCONTROLLER Adlan Bagus Pradana; Achmad Dian Ramadhan; Aldila Fajar; Jimmy Trio Putra
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 7 No 2 (2021): Agustus
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol7.no2.a10296

Abstract

The guitar is a popular musical instrument by many people. Besides being able to be used as entertainment, playing music, one of which is the guitar, can also be used to train concentration. In playing the guitar, the sound of the guitar strings that match the harmony chord is the main key so that when playing the song it sounds harmonious. Of course this is related to the tuning process or the tuning process. Many people can play the guitar, but many of them have difficulty in tuning. Most people do the tuning manually. This of course will take a long time to produce an accurate tone.With the rapid development of technology, this problem can be solved with an automatic guitar tuner based on a single board microcontroller using the open tuning method. The design of this automatic guitar tuner uses 7 constituent components, namely a single board microcontroller (Arduino UNO), servo motor, Op-Amp, LED, LCD, push button, and acrylic. The tuning process is done by selecting the guitar strings to be tuned. Then, when the guitar is picked, the frequency will be amplified by the Op-Amp. After that, arduino will initialize the frequency and give a signal to the servo motor. The servo motor will perform the tuning process which will later display the results on the LCD. While the LED functions as a tuning indicator. Acrylic serves as a place to put components.
Rancang Bangun Pemutus Otomatis Charger Baterai Laptop dengan Algoritma Watchdog Berbasis Single Board Microcontroller Adlan Bagus Pradana; Bima Wahyu K; Dian Kusuma J; Faisal Zeqlyw H; Thalia Roza Y
CIRCUIT: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 5, No 2 (2021)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v5i2.9332

Abstract

Laptop is kind of device which recently used by students, teachers, workers, professionals or executives. As the electronics tools, Laptop is supported by a battery and charger. To save battery life, laptop users usually disconnect the charger from the laptop while the indicator shows the battery is fully charged or when the laptop is turned off. However, due to practicality considerations, it often happens that the AC side of the charger is still connected to the voltage source. However, it was a waste condition. Because even though it's small, when the battery is full the charger still dissipates power. In this study, a device was designed and built which has the ability to disconnect the AC source from the charger when the DC charger side is not connected to the laptop. The watchdog algorithm is used to determine when the current should be cut off. The device is realized by using a Single Board Microcontroller (SBM) and a current sensor ACS712.
Pengembangan Electronic Load Controller untuk Self-Excited Induction Generator Berbasis Penyearah Tiga Fase Menggunakan Raspberry Pi Ihsan Nur Hakim; Aan Listanto Amdrian; Adlan Bagus Pradana; Awang Noor Indra Wardana
JURNAL NASIONAL TEKNIK ELEKTRO Vol 9, No 3: November 2020
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1862.104 KB) | DOI: 10.25077/jnte.v9n3.802.2020

Abstract

A self-excited induction generator (SEIG) could provide electricity for isolated areas appropriately. An electronic load controller (ELC) with Raspberry Pi is designed to overcome the voltage and frequency changing of SEIG caused by load changing, while ab le to support distributed system trend with Framework for Distributed Industrial Automation and Control (4DIAC). The ELC design is based on the characteristics of SEIG and Indonesian electricity system standards. The design is then implemented, and the characteristics are identified. The output of SEIG is regulated at frequency of 50 Hz and terminal voltage of 294 V. A voltage sensor is designed with a transformer, filters, rectifier, and ADC. The actuator consisted of a three-phase rectifier, dump load, optocoupler driver, and IGBT. A PI-controller based on Python is applied in Raspberry Pi Zero with experimentally tuned Kp and Ki values both of 5.0. The output changing of SEIG caused by load changing could be regulated within the Indonesian electricity frequency standard in its steady state. The maximum voltage deviation from the nominal value is -12.24%, while the maximum frequency deviation is +3.2%, and the longest settling time is 832 ms.Keywords : induction generator, electronic load controller and Raspberry Pi.
Perancangan Safe Kitchen Berbasis Internet of Things dengan Menggunakan Platform Blynk Adlan Bagus Pradana; Andie Gagas Alfrianto; Apita Glory Kalani; Budi Bayu Murti
Praxis : Jurnal Sains, Teknologi, Masyarakat dan Jejaring Vol 4, No 2: Maret 2022
Publisher : Soegijapranata Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24167/praxis.v4i2.3383

Abstract

Hingga saat ini, kebakaran rumah tangga masih menjadi ancaman, terutama yang disebabkan oleh kelalaian pengguna seperti lupa mematikan kompor setelah digunakan ataupun salah memasang gas. Seiring dengan berkembangnya teknologi, permasalahan seperti ini dapat diatasi dengan alarm yang dapat mengingatkan pengguna untuk mematikan kompor ataupun penanda adanya kebocoran gas. Berdasarkan masalah tersebut penelitian kali ini akan mengatasi ancaman kebakaran rumah tangga dengan perancangan alat yang bernama Safe Kitchen sebagai pendeteksi adanya kebocoran gas rumah tangga yang diakibatkan oleh kelalaian manusia ataupun kesalahan gas LPG tersebut. Alat ini memanfaatkan beberapa sensor yaitu MQ-4, load cell sensor, serta mikrokontroler NodeMCU ESP8266 yang berbasis Internet of Things. Hasil keluaran dari alat ini berupa peringatan notifikasi yang dapat langsung diterima oleh pengguna jika terdeteksi adanya kebocoran gas pada dapur dalam waktu real-time. Alat ini dirancang untuk memenuhi kebutuhan luas dapur pada umumnya, yaitu 5 m2 dengan ketinggian kompor 90 cm dari atas lantai
Co-Authors Aan Listanto Amdrian Achmad Dian Ramadhan Aldila Fajar Andie Gagas Alfrianto Apita Glory Kalani Awang Noor Indra Wardana Bima Wahyu K Budi Bayu Murti Dian Kusuma J Faisal Zeqlyw H Ihsan Nur Hakim Jimmy Trio Putra Thalia Roza Y