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Journal : scripta technica journal of engineering and applied technology

Pengembangan Alat Es Puter Manual Menjadi Otomatis Untuk Meningkatkan Efisiensi Produksi UMKM Farhan Alrasyid Nasution; Mohammad Iqbal Pratama; Alvin Najihul Amin; Adefito Wahyu Saputra; Muhammad Sagaf; Eli Mas’idah
Journal of Engineering and Applied Technology Vol 2 No 1 (2026): : June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/0zgbcm29

Abstract

This study aims to design and develop an automatic ice cream maker based on an electric motor to address efficiency challenges faced by small and medium-sized ice cream businesses that still use manual methods, with production times reaching 2–2.5 hours. The main problems identified include the high physical strain on operators, long production times, and inconsistent ice cream texture due to unstable manual churning. The methodology employed includes problem identification, anthropometric data collection, design development using a 12V DC motor system, and technical economic analysis. The research results indicate that this automated machine is capable of producing more stable and consistent rotation, accelerating the freezing process, and reducing work-related fatigue. Economically, this device has a production cost of Rp1,755,000 with a selling price of Rp2,018,250, where the break-even point is reached after selling 7 units. The implementation of this device is expected to increase the productivity and competitiveness of MSMEs through the modernization of appropriate technology that maintains the characteristics of traditional products.  
Perancangan Sistem Otomatisasi Pengisian Air Galon Menggunakan Sensor Infrared Proximity Gita Aubreza Safitri; Ana Nur Avivah; Enggar Bagus Pramudyanto; Rio Umair Andica; Eli Mas’idah
Journal of Engineering and Applied Technology Vol 2 No 1 (2026): : June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/bwann311

Abstract

The need for a practical, hygienic, and efficient drinking water dispensing system has driven the development of sensor-based automated devices to replace the manual mechanisms still widely used in conventional gallon pumps. This study aims to design and implement an automated water-filling system for water jugs using an infrared proximity sensor as an object detector and a relay module to control a DC water pump. The method employed is an empirical experiment involving the design, assembly, implementation, and testing of a prototype. The system is designed using direct control principles without a microcontroller, resulting in a simple, economical, and easily replicable architecture. Testing was conducted by simulating actual usage conditions to evaluate the sensor’s detection capability, relay response, pump stability, operational safety, energy efficiency, hygiene of use, and the economic aspects of the design. The results of the study show that the system is capable of consistently detecting the presence of a glass, automatically activating the pump when an object is detected, and stopping the water flow when the object is no longer within the sensor’s range. The system also demonstrates good reliability, low power consumption, and relatively affordable design costs. These findings indicate that the integration of infrared proximity sensors and relays can be an effective solution to support the automation of water jug filling in both household and public facility settings.