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Pengendalian Otomatis Irigasi Menggunakan Arduino Berbasis Relay Martselani Adias Sabara; Qirom Qirom; Dany Sucipto
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 5 No. 2 (2026): Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v5i2.5469

Abstract

Ensuring water availability that meets plant needs is a crucial aspect of irrigation management. This study developed a watering control prototype capable of determining pump operation times based on the moisture level of the growing medium while also monitoring the water supply in the tank. The system utilizes an Arduino Uno for data processing, a soil moisture sensor to assess the condition of the growing medium, an HC-SR04 ultrasonic sensor to monitor water levels, and a relay module to interface with and control the DC pump. The Arduino uses data from both sensors to make decisions regarding watering operations. The pump is activated via the relay when the soil is dry and the tank's water supply remains above the specified threshold. Conversely, the pump is deactivated once the soil moisture reaches the target level or the tank's water level drops below the minimum limit. System development involved hardware design, microcontroller programming, sensor calibration, assembly, and functional testing. Tests conducted under various growing medium conditions demonstrated that the soil moisture sensor effectively responds to changes in soil water content, while the ultrasonic sensor reliably monitors water availability in the tank. Integrating both sensors with the Arduino and relay creates an automated watering mechanism that adjusts to soil conditions and water supply levels. This system offers an alternative to manual watering and promotes more controlled water usage in household and small-scale agricultural settings.
Aplikasi Android Sebagai Kontrol Mobile Robot Menggunakan App Inventor di SMK Bhakti Praja Dukuhwaru Rony Darpono; Much Sobri Sungkar; Bahrun Niam; Ulil Albab; Martselani Adias Sabara; Ratri Wikaningtyas; Qirom Qirom; Dani Sucipto
Jurnal Pengabdian Masyarakat Kesosi Vol. 9 No. 1 (2026): Januari: Jurnal Abdimas KESOSI
Publisher : Sekolah Tinggi Ilmu Kesehatan Kesetiakawanan Sosial Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57213/abdimas.v8i2.380

Abstract

The The suboptimal use of Android applications in the Microcontroller subject at SMK Bhakti Praja Dukuhwaru serves as the background of this activity. Students have not yet been guided to develop Android applications as control media for devices, particularly mobile robots, in an effective manner. Therefore, this community service activity aims to enhance students’ knowledge and skills in creating Android applications to control mobile robots using App Inventor. In addition, the activity introduces the basic concepts of Arduino programming with the ESP8266 microcontroller, which can connect to Android applications via Bluetooth communication. The training was conducted over two days, on May 28–29, 2025, and was attended by 37 participants from the Computer and Network Engineering (TKJ) and Electronics Engineering departments. The workshop involved creating simple applications using App Inventor that can control mobile robots and other electronic devices. The improvement from pretest to posttest by 14% (from 57% to 71%) indicates a significant increase in understanding after the training. It is expected that this activity will broaden students’ insight into microcontroller and Android application development and foster their interest in robotics technology.