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Journal : Salaga Journal

Comparative Analysis of the Performance of Gasoline and LPG-Powered Water Pumps in Shallow Wells Rama Pien, Muh; Haerani; Munir, Ahmad
Salaga Journal Volume 01, No. 1, June 2023
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v1i1.1102

Abstract

One application of technology in agriculture is the use of water pumping machines to provide water for plants. Various innovations have been made to reduce the operating costs of water pumps, one example is to use Liquifield Petroleum Gas (LPG) to replace gasoline fuel. This study aims to compare the performance and efficiency of gasoline-fueled (BBM) and gas-fueled (BBG) pumps. This study uses several observation parameters including, calculating water discharge, analyzing gasoline and gas fuel requirements, calculating the power generated by the pump when raising water, and calculating engine torque. The results showed that the water discharge obtained for the fuel engine was 0.002808 m3 / second while for the gasoline engine it was 0.002961 m3 / second. The cost required for the operation of the BBM pump engine is Rp.23,615 / hour, while for BBG it is Rp.11,920 / hour. For the power generated by the BBM engine, it produces a power of 80.808 W, while for the BBG engine it produces a power of 83.882 W. The water pump engine in this study operates at a torque of 7.84 Nm. Based on the results of this study, it can be concluded that the use of LPG gas fuel in the rice field water pump engine is more efficient and the water discharge produced is also more than the fuel water pump.
ESP32 IoT Auger‑Based Automatic Feeder for Fish Pellets Mukhtar, Aqid; Munir, Ahmad; Azis, Abdul
Salaga Journal Volume 03, No. 2, December 2025
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v3i2.2134

Abstract

Manual fish feeding in aquaponics often leads to inconsistent schedules and imprecise dosing, degrading water quality and system performance. This study designs and builds an ESP32‑based IoT automatic fish feeder using an auger dispensing mechanism controlled via the Blynk platform. The objectives are to develop a reliable feeder, calibrate dosing for different pellet sizes (1, 2, and 3 mm), and evaluate scheduling accuracy and dosing precision. The prototype consists of a 3 kg acrylic hopper (45° angle of repose), a cast‑iron auger, and an ESP32 control module with a servo and DC motor driven by an L298N driver. Calibration established linear models between servo rotation time and feed dose, and between motor PWM and throwing distance. Performance tests were conducted over three days with twice‑daily feeding. Results show strong linearity in calibration (dose–time R² > 0.997; PWM–distance R² > 0.92), perfect schedule adherence (zero delay at 08:00 and 15:00), and high dosing accuracy across pellet sizes, with average errors of 2.37% (1 mm), 3.04% (2 mm), and 2.94% (3 mm) (overall mean 2.78%). In conclusion, the system integrates mechanical reliability, electronic control, and IoT accessibility to deliver precise, scheduled, and remotely controllable feed management for aquaponics. The approach is practical and low‑cost, and it contributes to smart aquaculture by enhancing operational efficiency and reducing labor dependency.
Co-Authors Abdul Azis Abdullah, Muhaimin Agus Romdlon Saputra Ahmad Dahlan Ali Mustofa Anam, Syafi'ul Anam, Syafi’ul Anam, Syafi’ul Anas Ahmadi Anfas, Muhammad Taufiqurrohman Antonio, Andi Arinda, Desi Ariyanti Ariyanti Arrosyidah, Himma Jihadiah Asrori Asrori Astria, Windi Astuti, J AT, M.Ramli AYUNITA LELIANA Bhat, Ali Muhammad CHRISTA YUTRISTA, OLIVIA Edi Sunjayanto Masykuri, Edi Sunjayanto Ermawati Zulikhatin Nuroh ESTI KURNIASIH Fahmy Imaniar Farida, Dewi Istiqomah Fauziyah, Ni'fatul Fauziyah, Ni’fatul Firdaus, Tiya Anisyah Fitriyah, Umi Gawa, Dila Maya Titian Gusti Nur Hafifah Haerani Haerani Haerani Hasanah, Nurul Uswatun Herwanto, Wanda Hijriani Herwiana, Sakhi Hesan, Muh Indahsari, Dahlia INDARTI, TITIK Iqbal Iqbal Iskandar, Madris Junaedi Muhidong Junita Friska Kencana, Nazelya Puspita Kuncoro, Adhityo Lasmi Febrianingrum Lazulfa, Haiyin Lana LIES AMIN LESTARI Lies Lestari Luh Putu Artini Malik, Zulfikri Mas Darul Ihsan, Mas Darul Mauliddiyah, Ainy Muhammad Luthfi Mukhtar, Aqid Mulawarman Mulawarman Mursalim Mursalim Nadlifah, Khumrotun Nawang Wulan, Dewi Nugroho, Him'mawan Adi Nugroho, Him’mawan Adi NUR CHAKIM OIKUREMA PURWATI Paragae, IGAPNS Pratama, Raga Pratiwi Retnaningdyah, Pratiwi Prof. Dr. Ni Nyoman Padmadewi,MA . Purnamasari, Rike Putra, Muhammad Lexmana Putry, Denanda Pratiwi Putu Suarcaya Rachmawati, Amalia RAFIDAH FAUZIA SARI, ALIFAH Rahmad Husein Rahmah, Nova Alfi Laili Rahmawati, Misna Muzdalifa Rama Pien, Muh Ramli AT, M. Ratnaningsih, Dyah Ridwan, Rina Indrianty RIRIN PUSPARINI Riyan Febriansyah Rochmah, Nur Hafifah Sabaniah, Syahrial Salam, Muslim Santoso , Bagus Teguh Sapsal, Muhammad Tahir Sari, Nurul Puspita Sa’adah, Nailah‘ Ainayis SEPTY RAHAYU, ALFI Seswanto Sitti Nur Faridah SLAMET SETIAWAN Solihah, Bakiyatus Sri Kartini, Sri Sugiyo Sugiyo, Sugiyo Suhardi Suhardi Suhartono Supratomo, Supratomo Syafiul Anam, Syafiul Ulwiyah, Fifi Nur Vidya Mandarani Wardani, Andini Dwi Wibowo, Amiruddin Hadi Wibowo, Raihana Tsabita Wiwiet Eva Savitri Yusuf , Achmad Zainul Aminin