俊洋同学
唯梦想与爱不可辜负
防丢失，5G雷达模块移动探测器
12/01
PCB外观布局
功能
- 使用5G雷达模块探测移动物体
- 当有物体移动时，模块的输出信号被单片机捕获，后使蜂鸣器啸叫
- 搭配3.7V锂电池供电，摆脱电源
原理图
C51源码
#include <STC8G.H>
#define u8 unsigned char
#define u16 unsigned int
sbit single = P3^2;
sbit bb = P3^3;
sbit out1 = P1^6;
sbit out2 = P1^7;
u8 num0=0;
u16 num1=0;
void Timer0_Init() //2500微秒@11.0592MHz 2.5ms
{
AUXR |= 0x80; //定时器时钟1T模式
TMOD &= 0xF0; //设置定时器模式
TL0 = 0x00; //设置定时初始值
TH0 = 0x94; //设置定时初始值
TF0 = 0; //清除TF0标志
// TR0 = 1; //定时器0开始计时
}
void Inti()
{
P1M0=0;
P1M1=0;
P3M0=0;
P3M1=0;
P5M0=0;
P5M1=0;//配置IO口
EA=1; //使能总中断
ET0=1;//使能定时器0中断
single=1;//释放信号口
Timer0_Init();
}
void main()
{
Inti();
while(1)
{
if(single==1)
{
TR0=1;
out1=0;
out2=0;
while(single);
out1=1;
out2=1;
num1=20;
}
}
}
void timer0()interrupt 1
{
num0++;
if(num0==50)
{
num0=0;
num1++;
bb = ~bb;
if(num1>=50&&single==0)
{
num1=0;
TR0=0;
bb=1;
}
}
}
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简单好用