A New Model Designer Of Solar Tracker Based On Wemos Based Real Time Clock Method

Nowadays, electricity is a source of energy that is really needed by humans, almost all aspects of human life require electricity, so electricity has become an indispensable part. One energy that can be used as an alternative is renewable energy such as the sun. Renewable energy has an unlimited supply and is a sustainable solution for the future. Indonesia, a country with a tropical climate, is located near the equator and has a special character caused by the high heat of the sun. PLTS is dependent on the sunlight it receives, so it affects the electrical energy produced. A sun tracking system is designed with a drive using a stepper motor for a single axis and sun tracking based on Real Time Clock (RTC) time which is not affected by cloudy weather. The sun tracker has been designed using the Wemos D1 Mini as a controller, a voltage sensor module to detect the voltage produced by the solar panels. 28BYJ-48 stepper motor with an operating voltage of 5V which has been adapted to the RTC module through the program. The sun tracking system can increase the performance of solar energy absorption compared to static solar systems with a value of 19.91% in a 12 hour test time.