A photoelectric control automatic sprinkler device, through a combination design of a control box, two water pipe joints, a valve and a circuit board, enables the creation to automatically control the sprinkler device according to the weather conditions, temperature changes, ground humidity degree and sunlight exposure intensity, without human operation, fundamentally saving labor costs and reducing the waste of water source, so that the Creation with practical efficiency.一種光電控制自動灑水裝置，透過一控制盒、二水管接頭、一閥門、一電路板之組合設計，使本創作能自動根據天氣情況、溫度變化、地面溼度程度及太陽光照射強度下來自動控制灑水裝置，不需要人為操作，從根本上節約了人工開支及降低了水源的浪費，而使本創作具有實用性之效能者。
