[size=4]When the frequency is constant, the larger the capacitance, the smaller the capacitive reactance; the smaller the capacitive reactance, the lower the frequency that passes. [/size] [size=4]The...
This is a document that provides information on selecting the size and type of the switching power supply core based on experience. You can refer to it. [url]https://download.eeworld.com.cn/download/1...
[size=4][color=#000000] 1. Principle of electronic ballast [/color][/size] [size=4][color=#000000] Electronic ballast is a converter that converts industrial frequency AC power into high frequency AC ...
For example: BOOL func() { if(~~) { return fALSE; //flag 1 } if(##) {~~~; ~~~; ~~~; return TRUE; //flag 2 } return TRUE; //flag 3 } When I was debugging, the program went to flag 2 and then to flag 3 ...