基于51单片机的数字电压表(ADC0832)
功能描述:
本设计由51单片机最小系统+ADC0832模块+两路模拟量输入模块+液晶1602显示模块
1、主控制器是AT89C82单片机
2、ADC0832模数转换器进行A/D转换,读取电压两路数据,电压检测范围0-5V 精度(8位)
3、利用两个电位器模拟 模拟量输入,
3、液晶1602显示两个电压值。
Proteus7.8以上版本均可使用
仿真图:
程序源码:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | #include "reg52.h" #include "lcd1602.h" #include "delay.h" #include "ADC0832.h" void main( void ) { unsigned char adc0,adc1; unsigned char num=0; unsigned char ADC_Get[10]={0}; //定义AD采样数组 float Voltage0 = 0.0; float Voltage1 = 0.0; Lcd1602_Init(); //LCD1602液晶初始化 Lcd1602_String(0,0, "V0: " ); Lcd1602_String(0,1, "V1: " ); while (1) { ADC_Get[num++]=ADC0832(1,0); //通道0 利用中值滤波算法 if (num>9) { num=0; adc0=Error_Correct(ADC_Get,10); //取十个值作中值滤波 } Voltage0 = ( float )adc0 * 5.0/255; Voltage0 = Voltage0 *100; //扩大100倍方便显示 Lcd1602_Write_Com(0x80+3); Lcd1602_Write_Data((unsigned int )Voltage0/100+0x30); Lcd1602_Write_Data( '.' ); Lcd1602_Write_Data((unsigned int )Voltage0%100/10+0x30); Lcd1602_Write_Data((unsigned int )Voltage0%100%10+0x30); Lcd1602_Write_Data( 'V' ); adc1=ADC0832(1,1); //通道1 Voltage1 = ( float )adc1 * 5.0/255; Voltage1 = Voltage1 *100; //扩大100倍方便显示 Lcd1602_Write_Com(0xC0+3); Lcd1602_Write_Data((unsigned int )Voltage1/100+0x30); Lcd1602_Write_Data( '.' ); Lcd1602_Write_Data((unsigned int )Voltage1%100/10+0x30); Lcd1602_Write_Data((unsigned int )Voltage1%100%10+0x30); Lcd1602_Write_Data( 'V' ); } } |
软件免费下载地址:
1、Proteus仿真软件
文件内容:Proteus7.8安装包、Proteus8.6安装包、Proteus.8.10安装包、Proteus Professional 8.11 SP0安装包
链接:https://pan.baidu.com/s/11LNUZ9BJXWvXf1C4dPc3_w
提取码:2756
2、KEIL4 C51软件安装包
链接:https://pan.baidu.com/s/1CTZBqDsPsyIbjCIjI_birA
提取码:sy2a
文件下载:
https://pan.baidu.com/s/1yGw8HHvJRdcjF28ZcLcTjA?pwd=uys5
