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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Journal of Engineering and Technological Sciences Jurnal Otomasi Kontrol dan Instrumentasi JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Jurnal Pemberdayaan Masyarakat Universitas Al Azhar Indonesia
Anwar Mujadin
Electrical Engineering Department, Universitas Al Azhar Indonesia, Indonesia, Jakarta. 12110
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences

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Tinjauan Ulang Sistem Pemindaian Termal Tubuh Manusia dengan Sensor Suhu Pyroelectric Anwar Mujadin; Yaya Suryana
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 1, No 3 (2012)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v1i3.47

Abstract

Elemen sensor pyroelectric sangat sensitif terhadap jangkauan lebar radiasi dan sudut jatuh incoming radiasi panas badan manusia pada panjang gelombang 5-15 µm [1]. Signal respon sensor pyroelectric dapat didekatkan oleh dua buah grafik exponensial sebagai akibat perubahan kapasitansi dalam amplifier. Waktu naik dan turun dari signal tegangan dapat ditentukan oleh  (tetapan waktu elektrik) dan  (tetapan waktu termal) yang sebelumnya telah melewati bandpass filter. Dalam tulisan ini, akan dijelaskan secara rinci semua aspek yang menyangkut sistem pemindaian termal tubuh manusia dengan sensor suhu pyroelectric. Pyroelectric sensor element is very sensitive to a wide range of incoming radiation and heat radiation angles of the human body at 5-15 μm wavelength [1]. The response signal of the pyroelectric shown by two exponential graph as a result of changes capacitance in the amplifier. Rise and fall time of the voltage signal can be determined by the  (electric time constant) and  (thermal time constant) through a bandpass filter. In this paper, will be explained in detail how Infrared motion detector components work.
Prototipe Pengendalian pH dan Elektro Konduktivitas Pada Cairan Nutrisi Tanaman Hidroponik Anwar Mujadin; Dwi Astharini; Octarina Nur Samijayani
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 4, No 1 (2017)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v4i1.241

Abstract

Abstrak – Prduk komuditas budidaya cara hidroponik saat ini  hasilnya belum optimal, ini disebabkan karena pemberian nutrisi pada tanaman hidroponik masih diperlakukan sama untuk semua jenis tanaman. Padahal setiap tanaman memiliki karakteristik sendiri terhadap nutrisi yang diserapnya. Parameter keberhasilan budidaya tanaman hidroponik tergantung pada pH dan densitas (kekentalan) dari cairan nutrisi yang diberikan. Dalam tulisan ini akan dijelaskan mengenai rangkaian elektronika pengukuran pH dan densitas nutrisi tanaman hidroponik. Hasil pengujian prototipe mampu diterapkan pada pembacaan  pH 5-9 dengan resolusi 0.63V/pH dan electro conductivitas sebesar Y= 2900e-X. Kata Kunci – Hidroponik, pH dan Masa jenis dari nutrisi tanaman hidroponik Abstract – Currently, commodity product of hydroponics plant has not optimal yet caused by giving nutrients in hydroponic plants are still treated equally for all types of plants. Whereas  each plant had own characteristics of the nutrients absorbed. pH meter and viscosity(electro conductivity)  are the parameters decided for growing plant. In this paper will be explained clearly of electronics circuit  pH measurement and electro conductivity. At eksperiment prototipe   can  be  reading  at pH 5-9  with  resolution  0.63V/pH  and electro conductivitas atY= 2900e-X. Keywords – Hydroponics, pH and Density of liquid nutrient plant
Perancangan Robot Pemadam Api Hexapod Robi Darwis; Indrawan Arifianto; Anwar Mujadin; Suci Rahmatia
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 5, No 1 (2019)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v5i1.316

Abstract

Abstrak Seiring perkembangan teknologi yang begitu pesat, robot-robot cerdas bermunculan dan diciptakan untuk memudahkan dan meringankan pekerjaan manusia. Mesin robot yang semakin pesat perkembangannya pada dasarnya membantu manusia dalam beraktifitas sehari-hari sehingga pekerjaan manusia lebih efisien. namun seiring perkembangan itu harus diimbangi dengan sumber daya manusia yang mampu menguasai teknologi tersebut tidak hanya menggunakannya. Paper ini membahas perancangan robot yang dibuat oleh Mahasiswa Universitas Al Azhar Indonesia guna meningkatkan kemampuan dan pengetahuan dalam bidang teknologi khususnya di bidang robotik. Robot yg dibuat ini berfungsi untuk memadamkan api. Robot ini merupakan jenis hexapode, yaitu robot jenis laba-laba berkaki enam yang menggunakan servo dan dijalankan menggunakan Android dan sensor. Namun fungsi pemadam api belum berjalan dengan baik karena servo motor yang digunakan terlalu besar sehingga power pada robot hanya mampu mengangkat ke-enam kaki robot selama dua detik.Abstract- Along with the rapid development of technology, intelligent robots have sprung up and created to facilitate and ease human work. Robot machines that are increasingly rapidly developing basically help humans in their daily activities so that human work is more efficient. but along with that development must be balanced with human resources who are able to master the technology not only use it. This paper discusses the design of robots made by Students of Al Azhar University in Indonesia in order to improve their abilities and knowledge in the field of technology, especially in the field of robotics. The robot that is made serves to extinguish the fire. This robot is a type of hexapode, which is a type of six-legged spider that uses servo and is run using Android and sensors. But the fire extinguisher function has not gone well because the servo motor that is used is too large so that the power on the robot is only able to lift the robot's six legs for two seconds..Keywords– Fire robot, Hexapod robot, Arduino, Servo motor
Rancang Bangun Alat Ukur Viskositas Dalam Rangka Pengembangan Modul Praktikum Fisika Dasar Syafitri Jumianto; Anwar Mujadin; Dewi Elfidasari
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 2, No 1 (2013)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v2i1.98

Abstract

Pengukuran viskositas metode bola jatuh menggunakan sensor proximity sebagai detektor pencatat waktu jalannya bola tersebut. Sensor diantarmukakan (interfacing) dengan mikrokontroler dihubungkan ke tampilan LCD dan dapat pula dihubungkan ke komputer melalui kabel USB yang kemudian diolah menggunakan program Labview. Komputer akan menampilkan hasil pencatatan waktu awal dan akhir perjalanan bola. Dengan memasukan data rumus, monitor komputer akan menampilkan nilai viskositas fluida yang di uji.
Rancang Bangun Alat Ukur PH, Suhu dan Kelembaban Pada Media Tanam Jamur Tiram Habibah Nurul Hidayah; Anwar Mujadin
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 4, No 3 (2018)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v4i3.279

Abstract

Abstrak – Pada tulisan ini akan dibahas mengenai teknis pengukuran akurasi pH, suhu dan kelembaban yang menjadi bagian terpenting dalam menentukan kelayakan media jamur terutama pada tumbuh kembang jamur. Dalam penelitian ini telah dikembangkan sebuah divais elektronika untuk pengukuran media jamur terutama pH, suhu dan kelembaban yang dirancang secara terintegrasi menggunakan mikrokontroler ATmega8. Prototipe dilengkapi dengan sensor pH TD60805 dan sensor suhu -kelembaban DHT22.Kata Kunci - Prototipe Pengukur pH, Suhu dan Kelembaban Media Tanam Jamur. ATMega8, DHT22, dan Probe TD60805.Abstract - This paper will discuss about the technical measurement of pH accuracy, temperature and inertia which become the most important part in determining the feasibility of mushroom media, especially on mushroom growth. This research has developed an electronic device for measurement of mushroom media especially pH, temperature and humidity which is designed integrated using ATmega8 microcontroller. The prototype is equipped with a TD60805 pH sensor and a DHT22 temperature-humidity sensor.Keywords - Prototype pH Measurement, Temperature and Humidity or Mushroom Growing Media, ATMega8, DHT22 and Probe TD60805
Joule Thief Sebagai Boost Converter Daya LED Menggunakan Sel Volta Berbasis Air Laut Anwar Mujadin; Suci Rahmatia
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 4, No 2 (2017)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v4i2.254

Abstract

Abstrak – Joule-Thief adalah salah satu rangkaian listrik  untuk konservasi  energi dengan menggunakan teknis medan elektromagnetik arus transien pada sebuah coil. Sirkuit ini dioperasikan menggunakan  sebuah MOSFET sebagai saklar untuk meregenerasi  tegangan dan arus listrik dalam satuan waktu kemudian disalurkan pada beban light emitting diode (LED). Dari hasil eksperimental,  sel volta berbasis air laut dengan tegangan jepit 0.8V mampu mengaktifkan lampu LED dengan konfigurasi rangkaian serial. Hasilnya menunjukkan bahwa power transfer maksimum dari sirkuit Joule-thief sangat efektif sebagai pemasok daya beban 60 LED. Kata Kunci -  Joule Thief, Boost Converter Daya LED, Sel Volta Berbasis Air Laut Abstract – Joule-Thief is one of the electric circuits for conservation energy by using electromagnetic field trancient current in a coil. This circuit is operated using a MOSFET as a switch to regenerating the voltage and current flowing along the coil. The electric current accumulates in the coil then in unity of time will be supplied to the light emitting diode (LED) load. From experimental results, water sea voltaic cells based with 0.8V clamp voltage are able to activate LED lights in serial circuit configurations. The results shown that power transfer joule-thief circuit is very effective capable of supplying LED up to 60 LEDs. Keywords - Joule Thief, Boost Converter Power LED, Sea-Based Voltaic Cells
Design and Implementation of Electronic Control System of Blood Pump for Hemodialysis Machine Andi Iswahyudi; Pratondo Busono; Yaya Suryana; Anwar Mujadin; Dwi Astharini
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 3, No 3 (2016)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v3i3.221

Abstract

Abstract – there are three methods of renal therapies, hemodialysis is the primary choise. This is because of the cheaper price compared to the CAPD. In addition, people in indonesia are still not understand the CAPD method. However, there are still many problems in the therapy using hemodialysis machine. This research aims to develop and to know the performance of the electronic control system for blood pump to match the ideal flowrate that will be used in hemodialysis treatment. This research resulting the blood pump charateristic is 179,4 step/ml when using glucose 10% and 168,2 step/ml when using glucose 20%. Based on fluid density, glucose 20% have the best performance with relative of error 0,06% at rpm 5 with 400 ml volume desired. From the result with rpm variation, the system has linearity with the slope M = 8970 step/ml = 4,2 rotation/ml using glucose 10%, and M = 8410 step/ml = 3,97 rotation/ml using glucose 20%. Which mean the slope is equivalent with the increased volume around 48,4 - 53,3 ml. It mean the blood pump rotation is constant and the system is working according the flowrate desired. It is found from the result, that many hardware factors can reducing the blood pump performance such as the roller degradation and the flexibility of the hose. Keywords – Renal Disease, Hemodialysis, CAPD, Blood pump, Flowrate
PELATIHAN ALAT PERINGATAN DINI MANDIRI BENCANA LONGSOR DAN BANJIR PADA KARANG TARUNA KELURAHAN SEMPUR KECAMATAN BOGOR TENGAH Anwar Mujadin; Octarina Nur Samijayani; Suci Rahmatia
Jurnal Pemberdayaan Masyarakat Universitas Al Azhar Indonesia Vol 2, No 1 (2020)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/jpm.v2i1.364

Abstract

AbstrakMenurut Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) menyebutkan kelurahan Sempur kecamatan Bogor Tengah ditetapkan sebagai kawasan rawan longsor dan Banjir. Kelurahan ini adalah pemukiman penduduk yang berlokasi di daerah tanah lembah bertebing serta di pinggir aliran sungai Ciliwung. Saat ini daerah potensi sering terjadi longsoran adalah daerah RW 05, 06 dan 07 atau berada tepat di area belakang Rumah Sakit Salak sampai Tugu Air Mancur (sempur kaler). Melalui program Prime Public Service 2019 UAI, telah dilakukan pelaksanaan program pemperdayaan masyarakat berbentuk pelatihan alat peringatan dini mandiri bencana longsor dan banjir kepada mitra karang taruna kelurahan Sempur kecamatan Bogor Tengah. Pelatihan dilaksanakan diruang serbaguna kelurahan Sempur, tiap hari minggu jam 13.00 WIB dengan 10 kali pertemuan (3-4) jam. Di setiap akhir sesi pelatihan mitra, kit praktek harus diuji coba dan diimplementasikan langsung pada titik lokasi rawan bencana. Hasil kegiatan telah berhasil merubah mindset mitra (remaja) agar bisa berfikir rasional akan keselamatan diri sendiri maupun orang lain terhadap bencana alam. Perilaku masyarakat pada daerah rawan bahaya mampu dikendalikan secara elektronik melalui alat peringatan dini elektronik buatan mitra setempat. Penyediaan alat peringatan dini dari pemerintah umumnya akan dirusak maupun dicuri. Namun bila alat peringatan dini elektronik buatan masyarakat sendiri, minimal akan dijaga dan dirawat terus.Kata Kunci: Alat Pemindai Longsor, Pemindai Gempa, Pemindai Banjir AbstractAccording to Volcanology and Geological Disaster Mitigation (PVMBG) department, kelurahan Sempur kecamatan Bogor Tengah is designated as an area prone to landslides and floods. Kelurahan Sempur is a residential area located in a cleared valley and along the Ciliwung River. Potential areas for landslides often occur are RW 05, 06 and 07 located behind the Salak Hospital to Tugu Air Mancur. Through UAI Prime Public Service program 2019, has been carried out training program for early warning system landslides and floods devices to youth partners in Sempur. Training has been conducted in multipurpose room kelurahan Sempur office, every Sunday at 13.00 West Indonesia Time, with 10 meetings among 3-4 hours. Each training session, the practice kit must be tested and implemented directly at disaster-prone locations. Training has succeeded in changing the mindset of youth partners so that they can think rationally about the safety of themselves and others against disasters. Community behavior in hazard-prone areas can be controlled electronically through electronic early warning system devices made by youth partners. The Provision of early warning equipment from the government will generally be damaged or stolen. However, if the electronic early warning devices is made by the community itself, They will always be cared for and looked after.Keywords: Lanslides Scanners, Earthquake Scanners, Flood Scanners
Co-Authors Ahmad Husin Lubis Ahmad Juang Pratama Andi Iswahyudi Ary Syahriar Danny M. Gandana Dewi Elfidasari Dwi Astharini Habibah Nurul Hidayah Indrawan Arifianto Jusman Syafii Jamal Pratondo Busono Putri Wulandari Rahmatia, Suci Randy Rahmat Saleh Repi, Viktor Vekky Ronald Retno Wigajatri Riris Lindiawati Puspitasari Robi Darwis Samijayani, Octarina Nur Syafitri Jumianto Yaya Suryana Yaya Suryana