Pengembangan Media Pembelajaran Berbasis Sensor MQ-135 untuk Analisis Gas Amonia dengan Pendekatan STEAM

Baso Ali

doi:10.51574/jrip.v4i3.5933

Authors

Baso Ali Program Studi Informatika, Fakultas Teknik Komputer, Universitas Cokroaminoto Palopo, Palopo, Indonesia

Keywords:

STEAM, MQ-135, Arduino, Media Pembelajaran, Gas Amonia

Abstract

Pembelajaran sensor dan mikrokontroler membutuhkan media yang menghubungkan konsep, pemrograman, rekayasa, dan analisis data pada masalah autentik. Penelitian ini bertujuan mengembangkan dan mengevaluasi media pembelajaran berbasis STEAM dengan sensor MQ-135 untuk pembelajaran analisis gas amonia (NH₃) pada konteks peternakan broiler. Penelitian menggunakan research and development model ADDIE yang meliputi analysis, design, development, implementation, dan evaluation. Subjek uji lapangan adalah 37 mahasiswa Program Studi Informatika Universitas Cokroaminoto Palopo. Instrumen meliputi angket kebutuhan, lembar validasi ahli materi, ahli media, validasi integrasi STEAM, angket kepraktisan, serta tes pretest dan posttest. Analisis mencakup persentase kelayakan, N-Gain, uji normalitas Shapiro-Wilk, paired-samples t-test, dan Cohen’s dz. Hasil analisis kebutuhan mencapai 88,34%. Validasi ahli materi, ahli media, dan integrasi STEAM masing-masing sebesar 90,2%, 91,3%, dan 91,8%, sedangkan kepraktisan media mencapai 88,38%. Rata-rata skor meningkat dari 52,08 pada pretest menjadi 75,05 pada posttest dengan N-Gain 0,476 dalam kategori sedang. Uji berpasangan menunjukkan perbedaan signifikan, t(36)=11,557, p<0,001, dengan Cohen’s dz=1,90. Hasil tersebut menunjukkan bahwa media sangat valid dan sangat praktis serta terdapat peningkatan hasil belajar setelah implementasi media. Karena menggunakan desain one-group pretest-posttest tanpa kelompok kontrol, peningkatan tersebut ditafsirkan sebagai perubahan hasil belajar yang berasosiasi dengan implementasi media, bukan sebagai bukti kausal tunggal.

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