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IMPLEMENTASI SISTEM MINIMUM ESP32 DENGAN SENSOR INA219 DAN MOTOR DRIVER BTS7960 UNTUK MONITORING DAN KONTROL REAL-TIME BEBAN MOTOR PADA PROSES PENCAMPURAN BIOFUEL BERBASIS IOT

*Ade Sana Ruhiyat orcid scopus  -  Direktorat Pengelolaan Laboratorium, Fasilitas Riset, dan Kawasan Sains, Indonesia
Arief Goeritno  -  Program Studi Teknik Elektro, Universitas Ibn Khaldun Bogor, Indonesia
Muhidin Muhidin  -  Program Studi Teknik Elektro, Universitas Ibn Khaldun Bogor, Indonesia
Dikirim: 7 May 2025; Diterbitkan: 30 Sep 2026.
Akses Terbuka Copyright (c) 2026 Transmisi: Jurnal Ilmiah Teknik Elektro under http://creativecommons.org/licenses/by-sa/4.0.

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Kebutuhan akan sistem pencampuran biofuel yang efisien mendorong pengembangan solusi monitoring berbasis Internet of things (IoT) untuk meningkatkan akurasi dan efektivitas proses. Penelitian ini bertujuan merancang sistem minimum berbasis ESP32 dengan sensor INA219 dan driver BTS7960 untuk memantau parameter kelistrikan motor stirrer secara real-time pada pencampuran biofuel. Metode yang digunakan adalah Engineering Design Process (EDP) meliputi perancangan, pembuatan purwarupa, pengujian, dan validasi laboratorium. Sampel berupa campuran FAME dan solar diuji dengan variasi konsentrasi A2, A3, A4, serta diamati densitas, viskositas, homogenitas, tegangan, arus, dan daya. Hasil menunjukkan bahwa peningkatan kandungan FAME dari sampel A2 hingga A4 meningkatkan densitas 845.1 kg/m³-852.1 kg/m³ dan viskositas 3.09 mm2/s-3.36 mm2/s, yang berdampak pada penurunan tegangan 5.63 V-5.61 V, kenaikan arus 0.091 A-0.098 A, dan konsumsi daya 0.386 W-0.421 W. Tingkat error daya 0.88%-1.12% dengan akurasi 98.9%-99.1% menunjukkan bahwa sistem mampu melakukan monitoring real-time, meskipun masih terdapat keterbatasan berupa fluktuasi akibat Pulse Width Modulation (PWM) dan Electromagnetic Interference (EMI).

Kata Kunci: Sistem minimum; Internet of things; Motor listrik; Boifuel; Blynk;

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