Rancang Bangun Smart Key Berbasis Mikrokontroller Sebagai Media Pembelajaran Laboratorium Teknik Informatika dan Komputer (Studi Kasus SMKS Bintang Nusantara)
Abstract
Peningkatan kualitas pembelajaran praktik di laboratorium memerlukan media pembelajaran yang inovatif, kontekstual, dan sesuai dengan perkembangan teknologi. Penelitian ini bertujuan untuk merancang dan membangun sebuah prototype Smart Key berbasis mikrokontroller sebagai media pembelajaran interaktif bagi siswa SMKS Bintang Nusantara, khususnya pada kompetensi keahlian Teknik Informatika dan Komputer. Smart Key dirancang sebagai sistem kunci elektronik pintar yang mengintegrasikan mikrokontroller Arduino/ESP8266, modul keypad, sensor RFID/NFC, aktuator solenoid, serta antarmuka aplikasi berbasis desktop atau mobile untuk simulasi sistem keamanan berbasis IoT. Hasil perancangan menghasilkan sebuah prototipe Smart Key yang mampu berfungsi sebagai alat peraga untuk pembelajaran konsep mikrokontroller, sistem embedded, pemrograman, jaringan sensor, dan IoT pada laboratorium TIK. Hasil pengujian menunjukkan bahwa prototipe Smart Key berfungsi dengan baik dengan tingkat akurasi sistem otentikasi mencapai 94% dalam aspek kemudahan penggunaan, relevansi materi, dan peningkatan motivasi belajar. Simpulan penelitian menunjukkan bahwa Smart Key berbasis mikrokontroller layak digunakan sebagai media pembelajaran praktikum yang interaktif dan dapat meningkatkan pemahaman siswa terhadap penerapan sistem embedded dan IoT.
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