Jurnal Inovasi Pengabdian Masyarakat Pendidikan E-ISSN: 2774-3667 P-ISSN: 2774-6194 Volume 4, Nomor 1, 2023 Hal.111-122 111 Penyiram Air Otomatis Kumbung Jamur Tiram Pada Pesantren Ma. Mambaul ‘Ulum, Bengkulu Tengah Riska Ekawita Program Studi Fisika, FMIPA, Universitas Bengkulu, Bengkulu rekawita@unib.ac.id Elfi Yuliza Program Studi Fisika, FMIPA, Universitas Bengkulu, Bengkulu eyuliza@unib.ac.id Supiyati Program Studi Fisika, FMIPA, Universitas Bengkulu, Bengkulu supiyati_116@unib.ac.id ABSTRACT Pondok Pesantren MA. Mambaul 'Ulum, which is located in Bengkulu Tengah Regency, Bengkulu Province, has an oyster mushroom business unit to support the operational needs of the school . Maintenance, especially baglog watering on oyster mushroom house, is carried out conventionally. Through service activities, a baglog sprinkler automation system was built that works based on humidity and temperature in the mushroom house. The system utilizes electrical energy sourced from solar panels that are integrated with an automatic sprinkler system. The method used in the target audience of service (teachers and students) starts from the initial coordination, then the delivery of the material in theory and practice, followed by the installation of the system as a whole and running and testing the system. Based on the test results, it was obtained that the system can run properly according to the conditions set on the automated system. The watering automatic system active while the oyster mushroom house in non-ideal environmental condition. Keywords: Pondok Pesantren Mambaul Ulum, Watering, Automatic, Oyster mushroom house ABSTRAK Pondok Pesantren MA. Mambaul ‘Ulum yang berada di Kabupaten Bengkulu Tengah, Provinsi Bengkulu memiliki unit usaha jamur tiram sebagai pendukung kebutuhan operasional sekolah. Pemeliharan khususnya penyiraman baglog pada kumbung jamur dilakukan secara konvensional. Melalui kegiatan pengabdian, maka dibangun sistem otomatisasi penyiram baglog yang bekerja berdasarkan kelembaban dan suhu dalam kumbung jamur. Sistem memanfaatkan energi listrik yang bersumber dari panel surya yang diintegrasikn dengan sistem penyiram otomatis. Metoda yang digunakan pada khalayak sasaran pengabdian (guru dan siswa) dimulai dari koordinasi awal, kemudian penyampaian materi secara teori dan praktek, dilanjutkan dengan instalasi sistem secara keseluruhan dan running serta pengujian sistem. Berdasarkan hasil pengujian diperoleh bahwa