Gasoc MK, Patunongon RG, Gultiano HM, Davines JJNA, Bondad CDB. Alpas: A Solar-Powered Weed Cutter with Obstacle Detection and Bluetooth-Based Smartphone Control for Sustainable Ground Maintenance. Am. J. Smart Technol. Sol. 2025;4(1):109-115. doi:10.54536/ajsts.v4i1.4948