51 single-chip IO expansion (Advanced), including the expansion of output and input expansion data chip contains schematics and related manuals, programming languages ​ ​ also have two kinds of c and assembly language

输出扩展\74HC595LED控制（输出扩展）\C\LED_595
........\..........................\.\LED_595.C
........\..........................\.\LED_595.hex
........\..........................\.\LED_595.lnp
........\..........................\.\LED_595.LST
........\..........................\.\LED_595.M51
........\..........................\.\LED_595.OBJ
........\..........................\.\LED_595.Opt
........\..........................\.\LED_595.plg
........\..........................\.\LED_595.Uv2
........\..........................\.\LED_595_Opt.Bak
........\..........................\.\LED_595_Uv2.Bak
........\..........................\.\STARTUP.A51
........\..........................\.\STARTUP.LST
........\..........................\.\STARTUP.OBJ
........\..........................\排线连接说明.txt
........\..........................\接线图.jpg
........\.......驱动静态数码管\C版\led
........\.....................\...\led.c
........\.....................\...\led.hex
........\.....................\...\led.lnp
........\.....................\...\led.LST
........\.....................\...\led.M51
........\.....................\...\led.OBJ
........\.....................\...\led.Opt
........\.....................\...\led.plg
........\.....................\...\led.Uv2
........\.....................\...\led_Opt.Bak
........\.....................\...\led_Uv2.Bak
........\.....................\...\STARTUP.A51
........\.....................\...\STARTUP.LST
........\.....................\...\STARTUP.OBJ
........\.....................\接线图.jpg
........\.....................\汇编\HC595_LED
........\.....................\....\HC595_LED.asm
........\.....................\....\HC595_LED.hex
........\.....................\....\HC595_LED.lnp
........\.....................\....\HC595_LED.LST
........\.....................\....\HC595_LED.M51
........\.....................\....\HC595_LED.OBJ
........\.....................\....\HC595_LED.Opt
........\.....................\....\HC595_LED.plg
........\.....................\....\HC595_LED.Uv2
........\.....................\....\HC595_LED_Opt.Bak
........\.....................\....\HC595_LED_Uv2.Bak
........\.....................\跳线连接说明.txt
..入扩展\74HC165读按键(输入扩展)\C语言\165inputButton
........\.......................\.....\165inputButton.hex
........\.......................\.....\165inputButton.lnp
........\.......................\.....\165inputButton.M51
........\.......................\.....\165inputButton.Opt
........\.......................\.....\165inputButton.plg
........\.......................\.....\165inputButton.Uv2
........\.......................\.....\165inputButton_Opt.Bak
........\.......................\.....\165inputButton_Uv2.Bak
........\.......................\.....\button.c
........\.......................\.....\button.LST
........\.......................\.....\button.OBJ
........\.......................\.....\STARTUP.A51
........\.......................\.....\STARTUP.LST
........\.......................\.....\STARTUP.OBJ
........\.......................\排线连接说明.txt
........\.......................\接线图.JPG
........\.......................\汇编\165.asm
........\.......................\....\165.LST
........\.......................\....\165.OBJ
........\.......................\....\165按键
........\.......................\....\165按键.hex
........\.......................\....\165按键.lnp
........\.......................\....\165按键.M51
........\.......................\....\165按键.Opt
........\.......................\....\165按键.plg
........\.......................\....\165按键.Uv2
........\.......................\....\165按键_Opt.Bak
........\.......................\....\165按键_Uv2.Bak
IO扩展电路图.jpg
datasheet-相关芯片手册\74HC595.pdf
输出扩展\74HC595LED控制（输出扩展）\C
........\.......驱动静态数码管\C版
........\.....................\汇编
..入扩展\74HC165读按键(输入扩展)\C语言
........\.......................\汇编
..出扩展\74HC595LED控制（输出扩展）
........\74HC595驱动静态数码管
..入扩展\74HC165读按键(输入扩展)
输出扩展
输入扩展
datasheet-相关芯片手册

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