Nur Kadarisman
Jurusan Pendidikan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Yogyakarta, Jl. Colombo No.1 Yogyakarta 55281

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Pembuatan ADC (Analog to Digital Converter) Untuk Rancang Bangun Instrumentasi Temperatur Tinggi Menggunakan Prinsip Defleksi Laser He-Ne Sebagai Bagian Dari Sistem Kendali Operasi Di Bidang Industri Kadarisman, Nur; Sumarna, Sumarna; Rosana, Dadan
BERKALA FISIKA Vol 13, No 2 (2010): Berkala Fisika, Edisi Khusus
Publisher : BERKALA FISIKA

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Abstract

Monitoring and control all process variables such as power, temperature, and pressure is an absolute necessity in the field of industry. Instrumentation is a tool that can be used to monitor and control the process variables. From the monitoring results it can be seen whether the system is running in accordance with the desired or not. If deviation occurs, then the control action is needed so that the process can run as expected (the operating control system). One of the instrumentation equipment that need to be investigated is the use of laser deflection, because the laser beam that has a coherent nature, so that this instrumentation can be a very useful tool in the industry. At that stage the second year of this research study focused on the process input and data analysis with the aid of a microcontroller as a stage before applied in the modeling industry. The study was conducted in two stages, namely the manufacture of the ADC program that can send data voltage to the computer via RS 232 serial cable and making the ADC data acquisition software in the computer so the computer can act as a collection station, storage, and display data. This software use Borland Delphi 7. The results showed that the graph can be known voltage variations can indicate changes in certain deflection. The value of this deflection will determine the temperature of which is shown by the graph. Changes in the analog signal from the source of the potentiometer into a digital signal using ADC is inversely proportional, which is indicated by a linear graph with a correlation R = 0.99079 Graph showing the relationship between deflection with temperature according to the graph of the results of previous years of research that is done manually. Thus, further stay pending the outcome of the development of an acceptable deflection pattern detector equipped with a data acquisition system, as the final stage before implemented in the industry. Data acquisition system consists of two parts: signal conditioning systems and interfaces. If the detector is subjected by a laser beam, the optical signal is converted into electrical signals. This causes an electrical current. Because the electric current generated by the detector is very small, it needs to be strengthened and transformed into voltage by a signal conditioning system.Temperatures are measured in a particular room will cause the laser beam deflection at a certain distance so it can be used for high temperature control system.   Keywords: ADC, Instrumentation, He-Ne Laser, Borland Delphi
PELATIHAN KELOMPOK PETANI HOLTIKULTURA DALAM PENINGKATAN LAJU PERTUMBUHAN DAN PRODUKTIVITAS HASIL PANEN DENGAN MEMANFAATKAN TEKNOLOGI AUDIO ORGANIC GROWTH SYSTEM (AOGS) Kadarisman, Nur; Purwanto, Agus; Rosana, Dadan
INOTEKS Vol 19, No 2 (2015): Agustus 2015
Publisher : LPPM UNY

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Abstract

Based on the result of Grand Competition and National Strategic research, a result is obtained the field of modification and engineering of audio technology (AOGS; Audio Organic Growth System) unifying foliar and audio intensity variable optimization, which are optimum frequency and intensity to increase productivity and quality of plants which is in accordance with the effort to increase food resilience. This result is definitely very useful to food plant farmers to increase their crop productivity, such that in this community service the activities will be done with some objectives, viz.: (1) introduce the AOGS technology device which uses local insects (garengpung and jangkring, kinjengtangis) as sound sources and also how to operate it; (2) increasing plant productivity (chilli, ground peanut, and onion) which is managed by farmers through application of AOGS technology; and (3) increasing synergic cooperation between farmers and the university. The activities of this community service are done in the framework of workshop starting from introducing SC-AOGS technology, using SC-AOGS device, and through field tests. The achievement indicators of this excellence community service, can be observed from several aspects, including (1) the number of farmers that participate in the workshop is quite a lot and is the target to spread throughout the technology resulted from this community service;(2) the crop harvested turns out to increase such that has an impact on the income of farmers; (3) from the process itself, the involvement of farmers are enthusiastic and spirited. Important events which are observed throughout the activity are (1) AOGS technology initially introduced is considered not known by participants, but after some explanations they understand that this technology is very simple, natural, and environment friendly, and can be easily reproduce by farmers in Kricaan Mesir village, Salam, Magelang District; (2) the participants look enthusiastic with the workshop topics, in the discussion, and actively trying the AOGS device; and also (3) participants are trained to construct and use AOGS and describe implementation plan, which is then given guidance and the device to use
Pelatihan Penerapan Magnetic Generator Sebagai Sumber Energi Alternatif Bagi Masyarakat Kelurahan Giritontro, Kabupaten Wonogiri Sumarna, Sumarna; Astono, Juli; Purwanto, , Agus; Kadarisman, Nur; Agustika, Dyah Kurniawati
Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Vol 1, No 2 (2017)
Publisher : Yogyakarta State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpmmp.v1i2.15563

Abstract

Terbatasnya energi sumber daya mineral mempengaruhi ketersediaan listrik di berbagai pelosok Indonesia. Untuk mengatasi permasalahan ini, kelompok Pengabdian Kepada Masyarakat (PPM) kami membuat program pelatihan sumber energi listrik alternatif bagi masyarakat di daerah Kelurahan Girotontro, Kabupaten Wonogiri. Sumber energi listrik alternatif yang dibuat menggunakan akumulator sebagai penyedia daya d.c terhubung ke inverter sebagai pengubah transmisi d.c. ke a.c sehingga dapat menyalakan lampu. Masyarakat sangat antusias dalam mengikuti pelatihan dan juga dalam mencoba membuat sumber energi listrik alternatif karena dapat menjawab permasalahan listrik yang ada di daerah mereka.         
Pelatihan Penyusunan Instrumen Penilaian Ranah Psikomotor (Keterampilan) Bagi Guru-Guru Fisika SMA/MA di Yogyakarta Istiyono, Edi; suyoso, suyoso; Kadarisman, Nur
Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Vol 1, No 2 (2017)
Publisher : Yogyakarta State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpmmp.v1i2.15564

Abstract

Pengabdian pada Masyarakat (PPM) ini bertujuan: (a) Setelah mengikuti kegiatan ini, para peserta diharapkan menjadi lebih terampil dalam menyusun instrumen penilaian keterampilan dengan pengamatan dan tes, dan (b) Setelah mengikuti kegiatan ini, para peserta diharapkan lebih terampil dalam menyususn pedoman penskoran/rubrik penilaian keterampilan. PPM ini berupa pelatihan yang dilakukan dalam bentuk klasikal. Metode yang diterapkan adalah ceramah, diskusi-informasi, dan workshop. Langkah-langkah Kegiatan: (a) Orientasi kondisi kelompok sasaran,  (b) Orientasi untuk menentukan kebutuhan, (c) Penentuan jadwal dan tempat pelaksanaan, (d) Pelaksanaan kegiatan, (e) Observasi/Refleksi, (f) Evaluasi, dan  (g) Penyusunan. Khalayak Sasaran kegiatan pelatihan ini adalah semua guru-guru Fisika di Yogyakarta. Berdasarkan pengamatan pelaksanaan PPM dapat disimpulkan: (a) Peserta pelatihan guru-guru Fisika SMA di DIY meningkat keterampilan dalam memilih dan menyusun instrumen penilaian keterampilan dengan pengamatan dan tes, dan (b) Peserta pelatihan guru-guru Fisika SMA di DIY meningkat keterampilan dalam menyusun pedoman penskoran.
Penyuluhan Alat Deteksi Kesadahan Dalam Air Berbasis Light Dependent Resistor Di Kelurahan Giritontro, Kecamatan Giritontro, Kabupaten Wonogiri Sumarna, Sumarna; Agustikasa, Dyah Kurniawati; Purwanto, Agus; Kadarisman, Nur; Nugraheni, Anggiyani Ratnaningtyas Eka; Dina, Dina
Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Vol 2, No 2 (2018): Vol 2, No 2 (2018)
Publisher : Yogyakarta State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpmmp.v2i2.21916

Abstract

Beberapa daerah di Wonogiri memiliki tanah yang mengandung kapur, sementara itu sebagian masyarakat mengonsumsi air yang berasal dari dalam tanah. Pada kegiatan pengabdian kepada masyarakat tahun 2016 ditemukan permasalahan dalam masyarakat di kelurahan Wonogiri yaitu sulitnya mendeteksi adanya kapur dalam air yang mereka konsumsi. Sebagai akibatnya banyak masyarakat yang menderita penyakit dalam yang diakibatkan pengendapan kapur di dalam tubuh mereka seperti penyakit ginjal. Oleh karenanya, tim PPM Fakultas MIPA Universitas Negeri Yogyakarta membangun sistem pendeteksi adanya kapur dalam cairan berbasis Light Emitting Diode (LED) dan Light Dependent Resistor (LDR). LED digunakan untuk menyinari cairan dengan kadar kapur yang berbeda-beda, kemudian LDR akan mendeteksi cahaya LED yang melewati cairan tersebut. Besar kecilnya nilai luaran LDR akan bergantung kadar kapur dalam cairan. Masyarakat sangat antusias dan mulai menggunakan alat ini untuk mendeteksi adanya kapur di air yang mereka konsumsi. Kata kunci: Kesadahan, LDR, LED Workshop On Detector of Water Hardness Based On Light Dependet Resistor In Giritontro Village, Giritontro District, Wonogiri RegencyAbstract           Some areas in Wonogiri contain hardness in its soil, while some people consume water that come from the soil. In community service activity in 2016, we found problems in the community in Giritontro, Wonogiri that is the difficulties to detect the hardness in the water that people consume. As a result, many people who suffer from internal diseases caused by the deposition of lime in their bodies such as kidney disease. Therefore, the PPM team of the Faculty of Mathematics and Natural Sciences of Yogyakarta State University built a hardness detection system in liquid based Light Emitting Diode (LED) and Light Dependent Resistor (LDR). LEDs are used to irradiate fluids with different lime levels, then LDR will detect the LED light passing through the liquid. The size of the LDR output value will depend on the lime content in the liquid. People are very enthusiastic and start using this tool to detect the presence of limestone in the water they consume. Keywords: Hardness, LDR, LED