|
|
電路原理圖如下:
51單片機(jī)源碼如下:
- #include <reg52.h>
- #define uchar unsigned char
- #define uint unsigned int
- sbit K1 = P1^0;
- sbit RELAY = P2^4;
- void DelayMS(uint ms)
- {
- uchar t;
- while(ms--)
- {
- for(t=0;t<120;t++);
- }
- }
- void main()
- {
- P1 = 0xff;
- RELAY = 1;
- while(1)
- {
- if(K1==0)
- {
- while(K1==0);
- RELAY = ~RELAY;
- DelayMS(20);
- }
- }
- }
復(fù)制代碼
|
評(píng)分
-
查看全部評(píng)分
|