Perancangan Catu Daya Dengan Penambahan Panel Surya Pada Smart Traffic Light

Recently Indonesia is one of the countries with a densely populated of population. Besides it, using of vehicles causes traffic jam in many cities, including Pekanbaru. Power outages be one of causers of traffic jam due to many traffic lights do not working properly. In this study, the authors designed a power supply that is able to keep the traffic lights on when electricity from National Elec…