Sistem Monitoring NPK Tanah Berbasis Internet of Things (IoT) untuk Tanaman Cabai

Jefri Lianda; Zulkifli; Adam; Selfy Apriyanti; Marzuarman; Kamaluddin Yusuf

doi:10.55681/armada.v4i10.4048

Authors

Jefri Lianda Politeknik Negeri Bengkalis, Indonesia
Zulkifli Politeknik Negeri Bengkalis, Indonesia
Adam Politeknik Negeri Bengkalis, Indonesia
Selfy Apriyanti Politeknik Negeri Bengkalis, Indonesia
Marzuarman Politeknik Negeri Bengkalis, Indonesia
Kamaluddin Yusuf PT. Sinergie Bangun Internusa, Indonesia

DOI:

https://doi.org/10.55681/armada.v4i10.4048

Keywords:

ESP32, IoT, Sensor NPK, RMSE

Abstract

Penelitian ini bertujuan mengembangkan sistem pemantauan unsur hara nitrogen (N), fosfor (P), dan kalium (K) tanah berbasis Internet of Things (IoT) pada tanaman cabai secara real time. Sistem dirancang menggunakan sensor NPK tanah, mikrokontroler ESP32, jaringan komunikasi, dan antarmuka pemantauan berbasis IoT. Pengujian dilakukan melalui empat kali pengukuran dengan membandingkan hasil sensor terhadap alat ukur NPK referensi. Hasil pengujian menunjukkan kadar nitrogen sebesar 5–6 mg/kg, fosfor 7–9 mg/kg, dan kalium 16–20 mg/kg. Analisis akurasi menghasilkan nilai Mean Absolute Error (MAE) masing-masing sebesar 0,25 mg/kg, 1,00 mg/kg, dan 1,75 mg/kg untuk N, P, dan K. Nilai Root Mean Square Error (RMSE) berturut-turut sebesar 0,50 mg/kg, 1,22 mg/kg, dan 1,80 mg/kg. Rata-rata Mean Absolute Percentage Error (MAPE) sebesar 8,06% menunjukkan tingkat kesalahan pengukuran yang relatif rendah. Sistem mampu memantau kandungan NPK tanah secara real time serta menyimpan data historis. Hasil penelitian menunjukkan bahwa sistem dapat mendukung pengambilan keputusan pengelolaan nutrisi tanah secara lebih efektif dan efisien dalam budidaya tanaman cabai.

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