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All Journal TRANSISTOR Elektro dan Informatika Seminar Nasional Teknologi Informasi Komunikasi dan Industri Jurnal Otomasi Kontrol dan Instrumentasi MITRA: Jurnal Pemberdayaan Masyarakat JURNAL TIARSIE SEINASI-KESI Bina Teknika JAIM (Jurnal Abdi Masyarakat) Jurnal Informatika dan Rekayasa Elektronik SABDAMAS Indonesian Journal of Education and Mathematical Science Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Jurnal Bakti Masyarakat Indonesia Kaunia: Integration and Interconnection of Islam and Science Journal
juwariyah, tatik
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KOMPUTASI NUMERIK GERAK PROYEKTIL DUA DIMENSI MEMPERHITUNGKAN GAYA HAMBATAN UDARA DENGAN METODE RUNGE-KUTTA4 DAN DIVISUALISASIKAN DI GUI MATLAB Juwariyah, Tatik
Bina Teknika Vol 11, No 2 (2015): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

The simulation of two dimensional projectile motion problem with including resisting force as velocity function in MATLAB program has been done.The two dimensional projectile motion problem was formulated in second order differential equation which included resitance form as linier velocity function. The second order differential of motion then separated into two coupled first order differential equation and then numerically was soluted by Runge_Kutta4 method. The visualisation of computation values as a path of projectile motion and others physics quantities like dissipation energy were shown by MATLAB GUIDE.
ANALISA RESISTIVITAS KAWAT PENGHANTAR DITINJAU DARI METODE JEMBATAN WHEATSTONE DAN METODE HUKUM OHM PADA MODUL PRAKTIKUM FISIKA Juwariyah, Tatik; Djaja, Yuhani
Bina Teknika Vol 12, No 2 (2016): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

The analysis of the resistivity of a wire based on the Wheatstone bridge method and the Ohm law method in physics experiment module has been done. The analysis of the resistivity of a wire was done in a physics laboratory at UPNVJ engineering faculty. This topic was studied because there has been no experiment in the themed of electricity in the physics experiment module at the faculty of engineering UPNVJ. The most popular method applied to obtain wire resistivity value is the Ohm law method. In order to enlarge the understanding of the electricity concept, this research needed other method that can be used to find out the wire resistivity namely the Wheatstone Bridge method. This research aimed to obtain the resistivity value of Nichrome wire from two different methods. The methods were the Ohm law method and the Wheatstone bridge method. In Ohm law method, the wire length was subsequent varied. Then, the electric voltage value and an electric current were recorded. While in the Wheatstone bridge method, it was used circuit bridge. The value of the variable resistor was varied and the segment length metal plate was measured. The data were processed in order to obtain the Nichrome wire resistivity values by linear regression method. From Ohm law method and the Wheatstone bridge method were respectively obtained the value of Nichrome wire was ρ±Δρ=(2,875±0,005)x10-6 Ωm and ρ±Δρ=(5,00±0,25)x10-6 Ωm. The results of the two methods are match with the value of the standard of the Nichrome wire is ρ=1,0x10-6 Ωm. By using the two methods, it was expected that the students’ understanding of the electricity concept was increasingly widespread.
KAJIAN NUMERIK MASALAH SYARAT BATAS MELALUI PENYELESAIAN MATRIKS TRIDIAGONAL (Studi Kasus : Menghitung Potensial Listrik) Juwariyah, Tatik
Bina Teknika Vol 13, No 1 (2017): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

A numerical study of the solution of boundary value problems with the tridiagonal matrix approach has been done. The case studied is computing the electrical potential expressed by 1D Poisson’s equation with boundary conditions. The 1D Poisson’s equation are then discreted with the finite different method so as to form a system of linier equations. The system of non homogeneous linear equations that can be formed is a tridiagonal matrix. Then the matrix is solved by Gaussian elimination algorithm. On this study, the algorithm is implemented on three programming languages namely, Fortran, Java and MATLAB.
Perancangan Sistem Deteksi Dini Pencegah Kebakaran Rumah Berbasis IoT(Internet of Things) Juwariyah, Tatik; Prayitno, Sugeng; Mardhiyya, Akalily
SEINASI-KESI Vol 1, No 1 (2018): Seinasi-Kesi 2018
Publisher : Fakultas Ilmu Komputer UPN Veteran Jakarta

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Abstract

Musibah kebakaran rumah yang bermula dari adanya kebocoran gas LPG di ruangdapur masih sering di terjadi di sekitar kita. Teknologi rumah cerdas(smart home)dapat diterapkan sebagai salah satu solusi untuk mengamankan ruangan dapur daripotensi kebakaran. Tujuan penelitian ini adalah merancang suatu sistem deteksi dinipencegah kebakaran berbasis Arduino, sensor gas, sensor api, ESP8266 dan sistempemberitahuan berbasis aplikasi Blynk di smartphone. Rancangan sistem terdiri darirangkaian perangkat keras (hardware) yang bekerja sesuai dengan perintah perangkatlunak(software). Rangkaian perangkat keras terdiri dari mikrokontroler ArduinoMega2560, sensor Gas MQ6, sensor api dan board ESP8266 sebagai embedded chipyang mampu berkomunikasi berbasis WiFi. Modul ESP8266 digunakan sebagai clientdari router WiFi. Fungsi modul ini adalah mengirimkan dan menerima data informasiantara mikrokontroler dan smartphone. Komunikasi tersebut didukung oleh pustakaBlynk dan aplikasi Blynk sebagai antarmuka grafis pengguna di smartphone android.Hasil rancangan sistem diuji coba pertama kali sebagai alat deteksi api. Tanggapansistem terhadap adanya api berupa berubahnya warna LED virtual di aplikasi Blynk.Uji coba sistem deteksi api lebih lanjut berupa data variasi jarak sensor api dan sumberapi terhadap waktu tanggap sistem. Uji coba terpisah lainnya adalah sebagaipendeteksi keberadaan gas. Tanggapan sistem terhadap kebocoran gas berupaberubahnya Level Virtual antarmuka Blynk di smartphone. Perubahan Level Virtualmerepresentasikan nilai konsentrasi gas yang dinyatakan oleh nilai voltase sensor gas.Hasil perancangan smarthome ini diharapkan menjadi salah satu referensi sistempencegah potensi kebakaran berbasis IoT.
RANCANG BANGUN SISTEM KEAMANAN SEPEDA MOTOR DENGAN SENSOR SIDIK JARI Juwariyah, Tatik; Dewi, Alina Cynthia
Bina Teknika Vol 13, No 2 (2017): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

The high cases of motor vehicle theft, especially motorcycles theft became a daily problem that still need to look for solution. One of the solutions for securing a motorcycle from theft is by applying intellegent security system technology. The purpose of this research was to design motorcycle security system with fingerprint sensor and determine the percentage of sytem design success. The research methods used are designing, formulating problem and studying literature. The next step are to design the system design and assemble the design. The first was a registered the fingerprint owner motorcycle in order recorded in the data system. The second was to match the fingerprint registered. The design assembly consists of power supply, arduino UNO microcontroller module, fingerprint module, LED and relay module which would be connected with the electrical system motorcycle. Next step was to install the prototype on the motorcycle that connected the relay module with the wire between switch of side buffer and the machine of motorcycle. The result of the triasl system with Thirteen the user motorcycle his fingerprints was not registered indicates system 100% seccess. This means even though the key contact in the ON position the motorcycle could not be turned on by front starter or side starter(engkol). The only the fingerprint registered that could be turned on the machine of motorcycle.
PELATIHAN RANCANG BANGUN ALAT PERAGA PRAKTIKUM FISIKA BAGI GURU-GURU FISIKA SMA Juwariyah, Tatik; Pradana, Sigit; Djaya, Yuhani
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol 3, No 1 (2018): June 2018
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v3i1.2251

Abstract

Hambatan praktikum fisika di tingkat SMA disebabkan oleh beberapa faktor.Salah satu faktor tersebut adalah masih jarangnya pelatihan penguasaan peralatan laboratorium bagi para guru.Akibatnya kreatifitas guru fisika dalam mempraktekkan konsep fisika yang diajarkan masih rendah sehingga diperlukan pelatihan perancangan alat peraga praktikum fisika.Tujuan kegiatan ini adalah memberikan pelatihan perancangan alat peraga praktikum fisika yang sedang up to date yaitu alat peraga pembangkit listrik energi terbarukan. Alat peraga praktikum  pembangkit listrik energi terbarukan yang  diberikan pada kegiatan pelatihan ini adalah pembangkit listrik tenaga angin (wind turbine). Pelatihan ini dapat dibagi menjadi dua tahap. Pertama, penjelasan komponen-komponen yang diperlukan dalam merancang alat peraga pembangkit listrik energi angin. Kedua, pengujian alat hasil rancangan yaitu dengan memvariasikan kecepatan angin yang datang pada alat peraga energi angin dan mengukur daya listrik yang dihasilkan. Pada kegiatan pengabdian kepada masyarakat ini para peserta(guru) dilatih merangkai komponen-komponen alat peraga. Namun para guru belum sempat melakukan pengambilan data dan menganalisis data hasil pengujian alat peraga secara mandiri. Namun demikian  para guru telah diperagakan cara mengambil data variasi kecepatan angin terhadap daya keluaran. Adanya pelatihan perancangan alat praktikum  fisika berupa alat peraga pembangkit listrik energi terbarukan khususnya pembangkit listrik tenaga angin bagi guru-guru fisika diharapkan dapat menjadi salah satu solusi hambatan pelaksanaan praktikum  fisika di tingkat  SMA. DOI: https://doi.org/10.26905/abdimas.v3i1.2251
Perancangan Sistem Deteksi Dini Pencegah Kebakaran Rumah Berbasis ESP8266 dan Blynk tatik juwariyah
TRANSISTOR Elektro dan Informatika Vol 3, No 2: 2018
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (758.566 KB) | DOI: 10.30659/ei.3.3.%p

Abstract

Home fire accidents that start from LPG leakage in the kitchen space often occur around us. One of the solutions to secure the kitchen from potential fires is to apply smart home technology. The purpose of this study was to design an fire prevention early detection system based on Arduino, gas sensor, fire sensor, ESP8266 and Blynk application-based notification system on smartphones. The system design consits of a series of hardware that work in accordance with the command software. The hardware circuit consists of the Arduino Mega2560 microcontroller, the MQ6 Gas sensor, the flame sensor and the ESP8266 board as an embedded chip that communicate WiFi-based. The ESP8266 module is used as a client from a WiFi router. The function of this module is to send and receive information data between the microcontroller and smartphone. The communication is supported by the Blynk Llibraries and the Blynk Application as a graphical user interface on an android smartphone. The results of the system design were first tested as a fire detection device. The response of the system to the presence of fire is changing the color of virtual LED in the Blynk application. Further testing of the fire detection system is in the form of data on variations in the distance of fire sensors and sources of fire on system response time. Another separate test is to detect the presence of LPG leakage. The response of the system to the presence of LPG leakage is in the form of changing Blynk's virtual LEVEL on smartphone. The changing of the virtual level represents the gas concentration value declared by the gas sensor voltage values. The results of the design of the smarthome are expected to be one of the references for IoT-based fire potensial prevention systems.Key words:Blynk, ESP8266, flame sensor , gas sensor , IoT, smart home
PERANCANGAN SISTEM MONITORING TERPADU SMART BINS BERBASIS IoT MENGGUNAKAN APLIKASI BLYNK Tatik Juwariyah; Luh Krisnawati; Sri Sulasminingsih
Jurnal Informatika dan Rekayasa Elektronik Vol. 3 No. 2 (2020): JIRE Nopember 2020
Publisher : LPPM STMIK Lombok

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36595/jire.v3i2.247

Abstract

Sampah merupakan salah satu masalah yang dihadapi masyarakat terutama masyarakat perkotaan. Pengelolaan sampah selalu menjadi topik penting untuk dikaji. Salah satu upaya untuk menangani sampah di Era Industri 4.0 adalah mulai dengan merancang tempat sampah pintar. Kajian ini bertujuan merancang sistem pemantauan terpadu dari dua bak sampah berbasis IoT. Komponen perangkat keras dan perangkat lunak yang digunakan dalam perancangan sistem adalah mikrokontroler Wemos D1 Mini, sensor ultrasonik HC-SR04, sensor suhu-kelembaban DHT22, Blynk dan Arduino IDE. Blynk digunakan sebagai sistem pemantauan terpadu untuk dua bak sampah melalui smartphone. Dalam kajian ini dua sampel bak sampah dipantau melalui aplikasi Blynk. Nilai ketinggian sampah diukur oleh sensor ultrasonik sedangkan nilai kelembaban dan suhu diukur dengan sensor DHT22. Visualisasi pengukuran tinggi sampah ditampilkan dalam warna-warna Level Virtual pada aplikasi Blynk. Hasil pengukuran tinggi, suhu dan kelembaban ditampilkan dalam bentuk angka numerik pada aplikasi Blynk di smartphone.
PEMANFAATAN E-COMMERCE BAGI IBU-IBU PENGUSAHA MIKRO RT 02 RW 014 DESA SIMPANGAN, KECAMATAN CIKARANG UTARA Tatik Juwariyah; Luh Krisnawati
SABDAMAS Vol 1 No 1 (2019): SABDAMAS
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Unika Atma Jaya

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Abstract

Kelompok UMKM para ibu rumah tangga di Desa Simpangan, Kecamatan Cikarang Utara memiliki basis usaha rumahan, di antaranya usaha tas, dompet rajutan tangan, kue basah, jajanan pasar, katering, dan asesoris baju. Salah satu upaya memperluas pemasaran produk para pelaku UMKM tersebut adalah memanfaatkan ecommerce. Meskipun saat ini telah memasuki Era Industri 4.0, yang dicirikan bermunculannya market online, ternyata para pelaku UMKM tersebut belum mempraktikkan pemasaran di market online tersebut. Tulisan ini menyajikan pendampingan pemanfaatan e-commerce bagi para ibu pengusaha mikro di RT 02/ RW014, Desa Simpangan, Kecamatan Cikarang Utara. Tujuan pendampingan pemanfaatan e-commerce adalah memberikan edukasi bagi para peserta bagaimana memperluas pemasaran produk melalui internet. Pendampingan pemanfaatan ecommerce dimulai dengan survei lapangan. Dari survei diperoleh hasil sebagian besar peserta belum mengenal e-commerce. Oleh sebab itu, kegiatan selanjutnya adalah memberikan penyuluhan mengenai e-commerce disertai beberapa contoh market online terpopuler saat ini. Di tahap berikutnya peserta dijelaskan dan didampingi cara mendaftarkan diri sebagai penjual online di market online yang diminati. Dari hasil kegiatan hanya sebagian kecil sebesar (25%) peserta mampu mempraktikkan proses menjadi penjual di marketplace yang diminati, sebagian besar masih dalam proses belajar memahami alur proses kegiatan pendampingan. Meskipun demikian, melalui survei google gorm diketahui 100% peserta sangat tertarik membuka toko online dan seluruh peserta merasa puas dengan kegiatan pendampingan pemanfaatan e-commerce
SIMULASI PENENTUAN SUDUT ARAH KIBLAT DENGAN METODE SEGITIGA BOLA MENGGUNAKAN BAHASA PEMROGRAMAN GUI MATLAB R2009 Asih Melati; Dwi Rohayati; Tatik Juwariyah
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 2 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1050

Abstract

This reseach is about qibla location measurement using analytical mathematics of spherical trigonometry. The  analytical mathematics of spherical trigonometry is simulated using mathematics software. In This research using MATLAB R2009 mathematics software. Since this software user easily to use by newbie user, the language of this software simulated in GUI MATLAB R2009 programmer language. This programmer language make interactif learning between the user and the program. The important input parameter of this software are coordinat location of area then the user can measument angle magnitude qibla location convenient with coordinat location.
Co-Authors Agus Maulana Akalily Mardhiyya Alina Cynthia Dewi Arifudin Lukmana, Muhammad Asih Melati Asih Melati Bambang Sujasta Budhi Martana Damora Rhakasywi Dewi, Alina Cynthia Didit Widiyanto Djaya, Yuhani Dwi Rohayati Fahrudin Fahrudin Henry Binsar Hamonangan Sitorus Krisnawati, Luh M. Rusdy Hatuwe M.B Wadu, Ruth Mayanda M Santoni Mitha Puspitasari Noverdo Saputra Noverdo Saputra Prayitno, Sugeng Santika Sari Sari, Retna Sigit Pradana Sri Sulasmingsih Sri Sulasminingsih Sugeng Prayitno Sulasmingsih, Sri Sulasminingsih, Sri Syifaul Janan Yuhani Djaja Yuhani Djaja, Yuhani