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仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）
單片機(jī)源程序如下:
- #include <reg51.h>
- #include "IIC.h"
- #include "delay.h"
- #include "lcd1602.h"
- #include "com.h"
- unsigned int vol;
- unsigned char num[]={"0,1,2,3,4,5,6,7,8,9"};
- extern voldate1;
- void main()
- {
- unsigned char voldate;
- while(1)
- {
- lcd_init();
- voldate=iic_readvoldata();
- vol = voldate*5/0.255;
- lcd_writecmd(0x85);
- lcd_writedata(vol/1000%10+0x30);
- lcd_writedata('.');
- lcd_writedata(vol/100%10+0x30);
- lcd_writedata(vol/10%10+0x30);
- lcd_writedata('V');
- delay1s();
- }
- }
所有資料51hei提供下載:
AD數(shù)模轉(zhuǎn)換LCD顯示.7z
(80.36 KB, 下載次數(shù): 380)
2024-7-10 14:37 上傳
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