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DIMAS SURYA ALAM

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Abstrak (Bhs. Indonesia)

Sistem irigasi curah konvensional seperti sprinkler memiliki kelemahan utama pada
tingginya biaya awal, operasional, dan perawatan akibat penggunaan material seperti pipa
yang disesuaikan dengan jenis tanaman dan luas lahan. Untuk mengatasi hal tersebut,
dikembangkan Automated Robotic Sprinkler yang dapat bergerak secara otomatis ke seluruh
area lahan dengan kendali remote RF. Namun, sistem navigasi berbasis RF masih memiliki
keterbatasan jangkauan dan fungsi. Oleh karena itu, dilakukan pengembangan sistem kendali
navigasi digital berbasis IoT dengan memanfaatkan ESP8266 dan jaringan WLAN untuk
membangun local host web server, yang kemudian diperluas aksesnya secara global melalui
integrasi program NGROK. Sistem ini dikendalikan melalui aplikasi smartphone Android
yang dirancang menggunakan platform MIT App Inventor. Penelitian ini menggunakan
metode rancang bangun dan eksperimental yang terdiri dari empat tahapan: perancangan
program dan aplikasi, pengujian sistem kendali navigasi, serta analisis data secara deskriptif.
Variabel bebas meliputi mode kendali offline (WLAN), online (internet), dan remote RF
dengan berbagai jarak pengujian, sedangkan variabel terikat mencakup fungsionalitas
kendali navigasi, latensi web server, total system latency, dan time to first byte. Hasil
pengujian menunjukkan bahwa sistem dapat berfungsi optimal melalui aplikasi smartphone,
dengan semua perintah berjalan baik pada mode offline hingga jarak 20 meter dan tanpa
batasan jarak pada mode online. Rata-rata total system latency tercatat sebesar 758,7 ms
(offline) dan 828 ms (online), sementara time to first byte menunjukkan performa baik
dengan nilai 607,3 ms (offline) dan 658,5 ms (online).

Abtrak (Bhs. Inggris)

Conventional sprinkler irrigation systems face major drawbacks due to high initial,
operational, and maintenance costs, primarily caused by the extensive use of materials such
as pipes that must be tailored to specific crop types and land area. To address these
limitations, an Automated Robotic Sprinkler has been developed, capable of autonomously
navigating across the entire field using RF-based remote control. However, RF-based
navigation systems still suffer from limited range and functionality. Therefore, a digital
navigation control system based on IoT technology was developed by utilizing the ESP8266
microcontroller and WLAN networks to establish a local host web server, which was further
enhanced for global accessibility through integration with the NGROK platform. The system
is operated via an Android smartphone application built using the MIT App Inventor
platform. This study employed a design and experimental methodology consisting of four
stages: program and application development, navigation system testing, and descriptive data analysis. Independent variables included navigation control modes—offline (WLAN),
online (internet), and RF remote—tested across various distances, while dependent variables
comprised navigation control functionality, web serverlatency, total system latency, and time
to first byte. The performance tests demonstrated that the system operated effectively via the
smartphone application, with all commands functioning properly in offline mode up to a
distance of 20 meters and without distance limitations in online mode. The average total
system latency was recorded at 758.7 ms (offline) and 828 ms (online), while the time to first
byte showed favorable results with values of 607.3 ms (offline) and 658.5 ms (online).

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