Perancangan Pembangkit Catu Daya Untuk Alat Pengukur Ph Pada Limbah Cair Berb…

ABSTRACT The use of electric power is one of the basic needs around the world, but there are some areas or places that are also not reached by electricity, such as in coal waste fields that require a pH meter to measure the level of quality standards of waste before disposal. The use of photovoltaic systems is an alternative to solve this problem. In this study, tests and measurements were…