Cmm

输入一个十进制数字，打印出其二进制所包含的1的个数，空间复杂度很小(Enter a decimal number, print out its binary contains a number, a very small space complexity)

SIM800C 原理图,带电源处理和SIM卡槽，兼容两种天线座子(SIM800C schematic with power handling and SIM card slot, compatible with two antenna holders)

采用db4小波对是与信号进行降噪处理，实际效果良好(Using DB4 wavelet denoising is processing and signal, the actual effect is good)

nfa to dfa machines algorythm with c sharp

在VS 2010 环境下，通过自绘窗口，做出类似百叶窗的展开和收缩的效果，并实现清理痕迹的功能（当然清理功能不是很强，需要改进）(In VS 2010 environment, through self-painted window, made ​ ​ a similar expansion and contraction effect blinds, and to achieve clean up traces of the functions (of course clean-up function is not very strong, needs improvement))

STM32f103操作非接触芯片AS3911芯片代码，包M1卡、15693卡、ISO14443A/B CPU卡、Kovio、felica、topaz卡(stm32 operate as3911b code)

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说明：  ASTERISK 更新文件，有空的可以看看(ASTERISK updates files, you can see when you are free)

说明：  PIC16F877A的使用，ADC，LCD1602，PWM输出等功能。(Use of PIC16F877A, ADC, LCD1602, PWM output and other functions)