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LM2596S features 
7805. The package of 7805 used in this project is TO-263 SMD three-terminal voltage regulator tube linear 5V 1.5A, so it can provide little daily demand for 5V power supply. L7805 is a commonly used LDO. Use L7805 It can output a smaller ripple compared to DC-DC. If high-power 5V is required, LM2596S can be used to output 8V. The potentiometer can be adjusted to adjust the voltage of the output power supply. 
RMC1/8-243GBA
