hx711压力传感器89c52数码管显示

好的，你需要连接HX711压力传感器和89C52单片机，并使用数码管显示压力值。以下是一个简单的示例程序，可以作为参考：

#include <reg52.h>
#include <stdio.h>

sbit DQ = P3^2;
sbit SCLK = P3^4;
sbit PD_SCK=P1^0;  
sbit DOUT=P1^1;  
sbit LED=P1^7;
unsigned long Weight_Maopi=0,Weight_Shiwu=0;
float Weight_real=0;
unsigned long get_Weight(void);
void delay_us(unsigned int i)
{
    while(i--);
}

void delay_ms(unsigned char i)
{
    while(i--)
    {
        delay_us(114);
    }
}

void delay(unsigned int i)
{
    while(i--)
    {
        delay_us(1000);
    }
}

void Init_HX711(void)
{
    SCLK = 1;
    delay_us(1);
    SCLK = 0;
    delay_us(1);
    DQ = 1;
    delay_us(1);
}

unsigned long ReadCount(void)
{
    unsigned char i;
    unsigned long Count;

    DQ = 1;
    delay_us(1);
    SCLK = 0;
    delay_us(1);

    Count=0;

    while(DOUT);

    for(i=0;i<24;i++)
    {
        SCLK = 1;
        delay_us(1);
        Count=Count<<1;
        SCLK = 0;
        delay_us(1);

        if(DOUT)
        {
            Count++;
        }
    }

    SCLK = 1;
    delay_us(1);
    Count=Count^0x800000;
    SCLK = 0;
    delay_us(1);

    return(Count);
}

unsigned long get_Weight(void)
{
    unsigned long i = 0;
    unsigned long Count = 0;
    float Weight = 0;

    Count = ReadCount();

    for(i=0;i<10;i++)
    {
        Count += ReadCount();
    }

    Count = Count / 11;

    Weight_Maopi=Count;

    Weight=(float)(Weight_Maopi-Weight_Shiwu)/100;

    return (unsigned long)(Weight*100);
}

void main(void)
{
    unsigned long weight = 0;
    unsigned char i;

    Init_HX711();

    while(1)
    {
        weight = get_Weight();
        printf("Weight: %.2f g\r\n", (float)weight/100);

        for(i=0;i<10;i++)
        {
            P0 = ~(0x01 << i);
            delay_ms(5);
        }
    }
}

这是一个简单的程序，需要根据实际硬件连接进行调整。希望能帮到你。