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RANCANG BANGUN PERAGA PRAKTIKUM KONTROL LEVEL AIR PADA TANDON DAN BAK MENGGUNAKAN PLC Kusumastuti, Sri; Suryono, Suryono
Orbith Vol 11, No 1 (2015): Maret 2015
Publisher : Orbith

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Abstract

Penelitian yang dilakukan adalah rancang bangun alat peraga praktikum berupa modul kontrol level air pada tandon dan bak. Output berupa pompa air dan solenoid valve. Pompa digunakan untuk mengalirkan air dari sumur ke tandon sedangkan solenoid valve digunakan untuk mengalirkan air dari tandon ke bak. Kerja pompa di pengaruhi level air di sumur dan tandon, kondisi awal sumur penuh (sensor level air sumur on) dan tandon kosong (sensor level atas dan bawah tandon off). Pada kondisi ini pompa bekerja beberapa saat kemudian sensor level bawah tandon on dan pompa masih bekerja. Pompa berhenti bekerja saat sensor level atas tandon berubah menjadi on (tandon penuh). Apabila tandon kembali kosong maka pompa akan kembali bekerja. Jika suatu saat sumur kering (sensor level air sumur off) maka pompa tidak akan bekerja, pompa akan bekerja kembali jika sumur kembali penuh. Kerja selenoid valve hanya dipengaruhi kondisi level air di bak saja. Saat bak kosong (Sensor level air bak off), selenoid valve (SV) akan bekerja. Ketika bak penuh (sensor level air bak on) selenoid valve (SV) akan berhenti bekerja. Sensor level air disumur dan bak digunakan mercury switch yang dimasukkan pelampung, untuk sensor level air tendon digunakan proximity capasitive.
RANCANG BANGUN ALAT BANTU AKTIFITAS PASIEN BED REST Kusumastuti, Sri
Orbith Vol 13, No 1 (2017): Maret 2017
Publisher : Orbith

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Abstract

Bed rest adalah sebuah prosedur perawatan kedokteran yang dilakukan dengan cara memastikan pasien berbaring dan beristirahat di tempat tidur dalam kurun waktu tertentu. Bed rest merupakan upaya mengurangi aktivitas pasien. Pasien bed rest tak dapat beraktifitas normal seperti biasa, tak bisa leluasa lagi melakukan kegiatan. Pasien bed rest dengan keterbatasan mobilitas mempunyai ketergantungan yang lebih pada orang lain. Untuk mengurangi ketergantungan pasien bed rest terhadap orang lain perlu dibuatkan suatu alat yang dapat membantu pasien untuk melakukan aktifitas keseharian. Penelitian yang dilakukan bertujuan merancang dan membuat alat bantu pasien bed rest untuk menghidupkan dan mematikan lampu, membuka dan menutup tirai dan mengaktifkan bel dan lampu panggilan menggunakan remote RF dan Smart Relay. Metode penelitian yang akan digunakan terdiri atas (1) analisa kebutuhan sistem, (2) perancangan perangkat keras dan lunak, (3) pembuatan alat (4) pengujian alat.Kata kunci: Alat bantu, Bed Rest, Smart Relay
Penerapan Sistem Kontrol dan Monitoring Media Budidaya Jangkrik Untuk Peningkatan Produktivitas Di PT Wistarasa Duta Negeri Berdikari Kabupaten Semarang Kusumastuti, Sri; Cahyo Ardi Prabowo, Muhamad; Apriantoro, Roni; Supriyati, Supriyati; Ario Busono, Fawzi; Rizki Ahsania, Safira; Mohamad Cerdika, Varian
J-Dinamika : Jurnal Pengabdian Masyarakat Vol 9 No 1 (2024): April
Publisher : Politeknik Negeri Jember

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PT Wistarasa Duta Negeri merupakan mitra kelompok ternak yang bergerak dibidang peternakan budidaya jangkrik. Permasalahan yang dihadapi adalah (1) sistem kendali untuk membuat kondisi ideal media jangkrik sulit dilakukan karena masih bergantung pada kondisi cuaca, (2) sulitnya memonitor jumlah box media jangkrik yang cukup banyak dikarenakan masih dilakukan dengan menggunakan alat ukur konvensional. Tujuan dari pengabdian ini adalah mengimplementasikan IPTEK pada kelompok ternak budidaya jangkrik sehingga dapat membantu mengontrol dan monitoring suhu dan kelembaban media budidaya jangkrik dan berimplikasi pada meningkatnya produktivitas hasil ternak. Alat ini menggunakan beberapa sensor untuk memantau suhu dan kelembaban, yang juga dapat digunakan untuk mengontrol alat secara otomatis maupun manual. Informasi mengenai suhu dan kelembaban dapat dilihat dimanapun dan kapanpun melalui smartphone. Metode untuk mencapai target pelaksanaan program ini adalah membangun sistem atau instalasi di area kandang budidaya jangkrik dan memberi pelatihan penggunaan teknologi untuk meningkatkan pengetahuan dan kemampuan pengunaan IPTEK.  
Application of Smart Bell Wifi to Improve Study Time Discipline at SD Islam Fitra Bhakti Pudak Payung, Banyumanik, Semarang Kusumastuti, Sri; Fahrul Aji, Achmad; Rizal, Aminuddin; Artha Rochmanto, Raditya; Suryono, Suryono; Setya Kartika, Vinda
J-Dinamika : Jurnal Pengabdian Masyarakat Vol 8 No 3 (2023): Desember
Publisher : Politeknik Negeri Jember

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Abstract

Bell sekolah merupakan perangkat untuk mengatur ketertiban waktu belajar di sekolah. Suara bell memberikan informasi kepada pengajar maupun siswa tentang pembagian waktu belajar yang telah ditetapkan.  Pengaturan waktu belajar di SD Islam Fitra Bhakti menggunakan bell manual.   Penggunaan bell manual menjumpai beberapa permasalahan diantaranya faktor kelalaian yaitu bell terlambat dibunyikan sehingga waktu belajar tidak tepat waktu. Selain itu, suara bell kurang informatif karena tidak ada keterangan maksud bell dibunyikan dan kurang nyaman didengar. Tim pengabdian kepada masyarakat memberikan solusi melalui penerapan smart bell wifi dengan tujuan  meningkatkan disiplin waktu belajar, memberi rasa nyaman warga sekolah dan meringankan pekerjaan penjaga sekolah. Kegiatan pengabdian masyarakat meliputi pelatihan cara instalasi Smart Bell Wifi dan penggunaan Smart Bell Wifi. Hasil kegiatan ini  adalah(1)menggantikan bell manual sekolah menjadi bell otomatis, (2) peserta mampu menggunakan  Smart Bell Wifi  untuk pengaturan waktu dan kegiatan belajar.
Kontrol Suhu dan Pakan Burayak Ikan Cupang Menggunakan PLC Zelio Sr3b261bd dan NodeMCU ESP8266 Kusumastuti, Sri; Suryono, Suryono; Wisaksono, Adi; Supriyati, Supriyati; Setya Kartika, Vinda
Jurnal Saintekom : Sains, Teknologi, Komputer dan Manajemen Vol 13 No 1 (2023): Maret 2023
Publisher : STMIK Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33020/saintekom.v13i1.348

Abstract

In the transition from the dry season to the rainy season, betta fish breeders are particularly affected. Betta fish cubs are prone to death. Betta fish fry are betta fish children after 1 to 7 days. The feedstock of betta fish cubs, namely water fleas, is greatly reduced due to overflowing water. Unstable temperature attacks the body resistance of betta fish cubs. This study designed and made a conditioning device for the growth of betta fish fry using PLC Zelio SR3B261BD and NodeMCU ESP8266.  Features of the tool consist of making artemia feed, distributing artemia feed, telling breeders to mix feed, controlling, and monitoring the temperature of the pond water. The results of the study showed that the device can work to hatch artemia eggs, distribute artemia to fry, notify farmers via telegram to mix feed, monitor the temperature, and maintain the temperature of the pond water in the range of 24?C - 27?C. The difference with previous fish farming research, this research adds a feature of making betta fish feed through the process of hatching artemia eggs.
PENINGKATAN KEMAMPUAN GURU TAMAN KANAK-KANAK DALAM MEMANFAATKAN APLIKASI CANVA UNTUK MENDUKUNG PEMBELAJARAN Nurdiyani, Netty; Nuryanto, Lilik Eko; Kusumastuti, Sri; Iswanti, Iswanti; Triyani, Endang
Bangun Rekaprima Vol 10, No 1 (2024): April 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v10i1.5468

Abstract

Kurikulum Merdeka (The Independent Curriculum) gives institutions/teachers the freedom to be creative in providing teaching to students. Teachers' freedom to be creative is facilitated by the government with educational platforms. Apart from that, in digital electronics, there is an application that really supports government programs. With this application, teachers and students can be creative in making interesting learning materials. The name of the application is Canva. It is used to support communicative learning , this community service activity is carried out regarding the use of the Canva application. This training was carried out at Ky Ageng Giri Kindergarten, Girikusumo Village, Banyumeneng, Mranggen, Demak. The training is aimed at kindergarten and PAUD teachers in the Ky Ageng Giri Kindergarten and its others TK surroundings. There were 15 participants who attended the training. The training steps are 1) Introduction of each service participant and audience participant, 2) explanation of the application and benefits of Canva in teaching, 3) recognizing the features in Canva, 4) practice creating various daily teaching and administration needs, 5 ) monitoring the use of Canva in school activities. The results of the training show that the participants can use this application to create posters according to the needs of each school. They can use all the elements contained in the application. Using this application requires a data package, therefore it is recommended that users first check data availability before working. Careful download of Free Canva App is also recommended because there are prepaid application.
Penerapan Sistem Kontrol Berbasis IoT Pada Pompa Air Pertanian Di Desa Batur Kusumastuti, Sri; Hadwi Widi Sasono, Sindung; Artha Rochmanto, Raditya; Setya Kartika, Vinda; Fahrul Aji, Achmad
AMMA : Jurnal Pengabdian Masyarakat Vol. 4 No. 5 : Juni (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Batur Village, Batur Sub-district, Banjarnegara District, faces challenges in managing water for agricultural purposes. The current manual irrigation system is time- and labor-intensive and increases the risk of pump damage. To overcome this, an Internet of Things (IoT)-based pump control system is implemented to improve efficiency and productivity. The system automatically activates the water suction pump based on the water level in the reservoir and sets the irrigation schedule. The implementation process includes site survey, system design, installation, training, and evaluation. The system allows farmers to monitor and control irrigation through a smartphone-based application. The implementation results show that the system can reduce manual work, minimize the risk of pump damage, and ensure optimal water availability. In addition, this technology supports more efficient water management, increases agricultural yields, and provides a positive economic impact for farmers.
Penerapan Smart Greenhouse Hidroponik Berbasis IoT Menggunakan EBT di Nurus Sunnah Farm Kartika, Vinda Setya; Aji, Achmad Fahrul; Kusumastuti, Sri; Rochmanto, Raditya Artha; Hidayat, Sifa Nur; Putra, Sadewa Alfansuri
ABSYARA: Jurnal Pengabdian Pada Masayarakat Vol 6 No 1 (2025): ABSYARA: Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/ab.v6i1.28692

Abstract

Public awareness of healthy lifestyles has increased the demand for fresh vegetables. However, limited land availability due to population growth poses a challenge for agricultural production. Hydroponics offers a solution without requiring large areas of land, yet its success depends heavily on controlling environmental parameters such as pH, temperature, and nutrients. This community service project aimed to implement smart greenhouse technology based on the Internet of Things (IoT) powered by renewable energy (RE) for curly lettuce cultivation at Nurus Sunnah Farm, Semarang City. The implementation stages included site surveys, system design and fabrication, installation, training, mentoring, and sustainability evaluation. The developed system utilized solar panels as an energy source and was equipped with three types of sensors (pH, TDS, temperature/humidity) integrated with ESP32 and an online monitoring platform. The results showed that the system was able to monitor and control hydroponic parameters in real time, with a pH sensor reading error of 0.0231 and a TDS sensor error of 0.0116. This innovation facilitates the management of nutrients, pH, and temperature, while reducing dependence on electricity from the national grid. The application of this technology has proven to enhance management efficiency, potentially maximize crop productivity, and support sustainable agriculture based on renewable energy