Because the working voltage of stc89c52rc and diode in the system is 5V, it is necessary to design a power supply system which can provide 5V voltage stably to ensure the system can work stably and reliably.
Because the working voltage of stc89c52rc and diode in the system is 5V, it is necessary to design a power supply system which can provide 5V voltage stably to ensure the system can work stably and reliably.<br>