Rancang Bangun Sistem Penyemprot Tanaman Otomatis Berdasarkan Waktu dengan Real Time Clock (RTC) dan Sensor Ultrasonik Serta Notifikasi Via SMS

Authors

  • Nia Sulfiani R Jurusan Fisika, FMIPA, Universitas Andalas, Limau Manis, Padang, 25163
  • Nini Firmawati Jurusan Fisika, FMIPA, Universitas Andalas, Limau Manis, Padang, 25163

DOI:

https://doi.org/10.25077/jif.11.2.62-71.2019

Abstract

Telah dirancang sistem penyemprot tanaman otomatis berdasarkan waktu dengan Real Time Clock (RTC) dan sensor ultrasonik serta notifikasi via SMS. Sistem ini berfungsi untuk menyiram tanaman secara otomatis berdasarkan waktu yang telah diatur pada program dan sistem akan memberikan informasi kepada pengguna saat air dalam wadah habis. Sistem terdiri dari RTC DS3231 sebagai penghitung waktu, satu buah relai sebagi saklar, pompa air mini untuk menyemprot tanaman, sensor ultrasonik HC-SR04 untuk mendeteksi ketinggian air, GSM SIM 800L untuk mengirim SMS sebagai peringatan kepada pengguna dan LCD untuk menampilkan jarak dan waktu. Sistem ini bekerja berdasarkan waktu sedemikian rupa sehingga pompa air hidup pada saat pukul 08.00 WIB dan pukul 17.00 WIB. Pada waktu yang sama ketinggian air dalam wadah dideteksi sensor ultrasonik, jika jarak air dengan sensor 25 cm maka peringatan kepada pengguna berupa SMS “air hampir habis†dikirim oleh GSM. Berdasarkan hasil uji sistem jarak GSM yang digunakan dengan lokasi penerima SMS tidak berpengaruh, rata- rata waktu yang didapatkan untuk lima variasi jarak pengiriman yaitu 7,876 s, 8,646 s, 8,824 s, dan 8,676 s. Sistem penyiram tanaman otomatis ini dikontrol dengan modul Arduino Uno.

Kata kunci: Arduino Uno, GSM SIM 800L, RTC DS3231, Sistem penyemprot otomatis, Ultrasonik HC-SR04.

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Published

2019-09-23

How to Cite

Sulfiani R, N., & Firmawati, N. (2019). Rancang Bangun Sistem Penyemprot Tanaman Otomatis Berdasarkan Waktu dengan Real Time Clock (RTC) dan Sensor Ultrasonik Serta Notifikasi Via SMS. JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS, 11(2), 62–71. https://doi.org/10.25077/jif.11.2.62-71.2019

Issue

Vol. 11 No. 2 (2019): September 2019

Section

Research Article

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