Abstract
The paper proposes the design of a power supply circuit for charging drone batteries using thin-film solar cells. Thin-film solar cells are arranged in parallel to produce a fixed voltage and a large enough current to be able to charge the battery drone. Each output of the solar cell is connected with a step-up device so that the voltage rises to 5 volts. Then all the output from the step-up will be inserted into the power booster supply so that the voltage rises to 28 volts. The unique form of thin-film solar is lightweight and flexible, so the power plant will be placed right above the frame of the drone. The goal is that sunlight can be directly received by the top layer of the solar cell to be converted into voltage. The design of this power supply circuit is expected to be able to increase the length of the drone’s flight in the air.
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