<![CDATA[AbstrakWarga Desa Rakadua, Kecamatan Poleang Barat, Kabupaten Bombana masih melakukan penyiraman tanaman pekarangan secara manual sehingga proses penyiraman bergantung pada keterlibatan warga secara langsung. Kegiatan pengabdian ini dilaksanakan melalui program Studi Independen Mandiri Berdampak (SIM-B) dengan tujuan menerapkan alat penyiraman otomatis berbasis mikrokontroler Arduino Mega, mengevaluasi keberfungsian alat berdasarkan kondisi kelembapan tanah, dan mengetahui tingkat penerimaan pengguna. Kegiatan dilaksanakan selama kurang lebih delapan minggu melalui tahapan analisis kebutuhan, perancangan dan perakitan alat, instalasi pada lahan mitra, pelatihan dan pendampingan, serta monitoring dan evaluasi. Satu unit alat dipasang sebagai unit percontohan pada lahan pekarangan warga, sedangkan evaluasi penerimaan pengguna melibatkan lima orang warga yang berinteraksi secara langsung dengan alat. Sistem menggunakan sensor kelembapan tanah, Arduino Mega, relay, dan pompa air serta bekerja secara lokal tanpa koneksi internet. Pengujian fungsional menunjukkan bahwa sistem dapat mengaktifkan pompa ketika kelembapan tanah berada di bawah ambang 50% dan menghentikannya ketika kelembapan mencapai atau melebihi 50%. Hasil evaluasi pengguna menunjukkan persentase penerimaan sebesar 81–100% dengan rata-rata 89,4% yang termasuk kategori Sangat Puas. Hasil tersebut menunjukkan penerimaan positif pengguna terhadap penerapan alat penyiraman tanaman otomatis. Kata kunci: arduino mega; pertanian pekarangan; penyiraman otomatis; sensor kelembapan tanah; teknologi tepat guna. AbstractResidents of Rakadua Village, Poleang Barat District, Bombana Regency, still rely on manual watering for plants grown in their home gardens, making the watering process dependent on direct human involvement. This community service activity was conducted through the Studi Independen Mandiri Berdampak (SIM-B) program and aimed to implement an Arduino Mega microcontroller-based automatic watering system, evaluate its functionality based on soil moisture conditions, and assess user acceptance. The activity was carried out over approximately eight weeks through several stages, including needs assessment, system design and assembly, installation at the partner site, training and mentoring, and monitoring and evaluation. One unit was installed as a pilot system in a resident’s home garden, while the user acceptance evaluation involved five residents who directly interacted with the system. The system integrates a soil moisture sensor, an Arduino Mega, a relay, and a water pump and operates locally without an internet connection. Functional testing showed that the system activated the pump when the soil moisture level fell below the 50% threshold and stopped the pump when the moisture level reached or exceeded 50%. The user evaluation showed acceptance scores ranging from 81% to 100%, with an average of 89.4%, categorized as Very Satisfied. These results indicate positive user acceptance of the implementation of the automatic plant watering system. Keywords: arduino mega; appropriate technology; automatic watering; home gardening; soil moisture sensor.]]>
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