การพัฒนาระบบปั๊มน้ำด้วยเซลล์แสงอาทิตย์อัตโนมัติ
This research objective is to develop a model of automatic photovoltaic water pumping system. Find quality and efficiency of automatic photovoltaic pumping systems and study the user''s satisfaction with the use of automatic photovoltaic pumping systems to farmers. The research process was carried out by the development of an automated photovoltaic …