The family medicinal plant garden in Lasem Village, Sidayu Subdistrict, Gresik Regency, had been left unmaintained because daily watering depended entirely on the limited time and energy of local residents. This condition caused unstable soil moisture and declining growth quality of medicinal plants such as ginger, turmeric, and Javanese turmeric, while the planting area had become cluttered and poorly organised. The community service program aimed to install an automatic watering technology able to maintain the garden on a fixed schedule, reorganise the planting area, and strengthen residents' independence in maintaining electrical and irrigation equipment. The program was carried out through outreach meetings, field surveys, installation of the watering system alongside physical reorganisation of the garden, hands-on training, mentoring, and formation of a resident maintenance group. An ESP32 microcontroller with built-in Wi-Fi, synchronised to internet time servers through the Network Time Protocol (NTP), a switching relay, and a small direct-current water pump was assembled and installed on site. The tool now waters the plants automatically three times a day, the maintenance group operates and cleans the equipment independently, and the garden has become clean, organised, and visually appealing. The program succeeds in freeing residents from manual watering while keeping the plants consistently healthy.
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