LED旋轉(zhuǎn)時鐘制作(有源代碼)
本項目的關鍵是如何解決高速旋轉(zhuǎn)的電路板如何供電,如何調(diào)時的問題。我采用電機電刷的原理,將旋轉(zhuǎn)軸鉆空,通過一只插頭將電源的從反面引到前面的電路板上,而這個旋轉(zhuǎn)的插頭又與固定在背板上的兩個銅片接觸的。調(diào)時的問題有些困難,一是讓電路板在旋轉(zhuǎn)前與PC機相接,由電腦傳送調(diào)時數(shù)據(jù),這雖然可行但不方便。還有就是用遙控方法,但此方案在調(diào)試方面有很大的困難。
顯示方式上,我采用平衡式的兩排LED,這除了在旋轉(zhuǎn)時能較好的保持平衡外,主要能利用兩邊交替顯示方式,比單排要快一倍。
本裝置不僅是一個時鐘,它還可以動態(tài)顯示漢字及圖案,這就看如何發(fā)揮了。
其具體制作過程如下:
一。旋轉(zhuǎn)電機的制作
從制作成本與方便考慮,選用舊電腦用的大軟驅(qū)上的直流無刷電機,只是對局部進行改造。

就是這種古董軟驅(qū)

軟驅(qū)上的直流無刷電機

拆開后的電機
仔細拆開直流電機,將帶圓盤的鋁軸從中開孔,讓它剛好能插入一個插頭。

將旋轉(zhuǎn)軸加工成這樣

裝配好以后
按拆開時的順序,反序?qū)⑤S安裝直流電機上。

電機裝配完成后
用兩片銅片做的電刷


電刷裝好后的側(cè)面圖將電路板上較突出的元件改焊在反面,

電機的電源接法。

從電路板標注的符號看,“+”為電源正,“G”為電源負,
“C”與“M”端分別與電源正相連勻可使電機運轉(zhuǎn)
將一張舊唱片按電機座的位置開孔,而定位用的擋光板應根據(jù)電路板上感光組件的位置確定。

二。電路板的制作
本制作品用51單片機控制,具體電原理圖如下:


用Protel 99設計制作了電路板。



最后得到完成的作品。

遙控器用的是松下車載機的,只用了其中的六個鍵。


開機時

調(diào)時狀態(tài)

運行時源代碼:
#include
sbit gate11=P3^0;
sbit gate12=P3^1;
#define unit unsigned int
#define uchar unsigned char
uchar data BUFFER[]={0,0,0,0,1,1,7};
uchar data M[]={31,28,31,30,31,30,31,31,30,31,30,31};
uchar code NUM1[] =
{
0x80,0x7F,0xC0,0xFF,0x40,0x90,0x40,0x8C, // -0-
0x40,0x82,0xC0,0xFF,0x80,0x7F,0x00,0x00,
0x00,0x00,0x00,0x81,0x80,0x81,0xC0,0xFF, // -1-
0xC0,0xFF,0x00,0x80,0x00,0x80,0x00,0x00,
0x80,0xE0,0xC0,0xF0,0x40,0x98,0x40,0x8C, // -2-
0x40,0x86,0xC0,0xC3,0x80,0xC1,0x00,0x00,
0x80,0x40,0xC0,0xC0,0x40,0x84,0x40,0x84, // -3-
0x40,0x84,0xC0,0xFF,0x80,0x7B,0x00,0x00,
0x00,0x0C,0x00,0x0E,0x00,0x0B,0x80,0x89, // -4-
0xC0,0xFF,0xC0,0xFF,0x00,0x88,0x00,0x00,
0xC0,0x47,0xC0,0xC7,0x40,0x84,0x40,0x84, // -5-
0x40,0x8C,0x40,0xFC,0x40,0x78,0x00,0x00,
0x00,0x7F,0x80,0xFF,0xC0,0x84,0x40,0x84, // -6-
0x40,0x84,0x00,0xFC,0x00,0x78,0x00,0x00,
0xC0,0x00,0xC0,0x00,0x40,0xF0,0x40,0xF8, // -7-
0x40,0x0C,0xC0,0x07,0xC0,0x03,0x00,0x00,
0x80,0x7B,0xC0,0xFF,0x40,0x84,0x40,0x84, // -8-
0x40,0x84,0xC0,0xFF,0x80,0x7B,0x00,0x00,
0x80,0x03,0xC0,0x87,0x40,0x84,0x40,0x84, // -9-
0x40,0xC4,0xC0,0x7F,0x80,0x3F,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x63, // -:-
0x00,0x63,0x00,0x00,0x00,0x00,0x00,0x00,
};
uchar code NUM2[]=
{
0x00,0x00,0x7f,0x80,0xff,0xc0,0x82,0x40, // -0-
0x8c,0x40,0x90,0x40,0xff,0xc0,0x7f,0x80,
0x00,0x00,0x00,0x00,0x20,0x40,0x60,0x40, // -1-
0xff,0xc0,0xff,0xc0,0x00,0x40,0x00,0x40,
0x00,0x00,0x41,0xc0,0xc3,0xc0,0x86,0x40, // -2-
0x8c,0x40,0x98,0x40,0xf0,0xc0,0x60,0xc0,
0x00,0x00,0x40,0x80,0xc0,0xc0,0x88,0x40, // -3-
0x88,0x40,0x88,0x40,0xff,0xc0,0x77,0x80,
0x00,0x00,0x0c,0x00,0x1c,0x00,0x34,0x00, // -4-
0x64,0x40,0xff,0xc0,0xff,0xc0,0x04,0x40,
0x00,0x00,0xf8,0x80,0xf8,0xc0,0x88,0x40, // -5-
0x88,0x40,0x8c,0x40,0x8f,0xc0,0x87,0x80,
0x00,0x00,0x3f,0x80,0x7f,0xc0,0xc8,0x40, // -6-
0x88,0x40,0x88,0x40,0x0f,0xc0,0x07,0x80,
0x00,0x00,0xc0,0x00,0xc0,0x00,0x83,0xc0, // -7-
0x87,0xc0,0x8c,0x00,0xf8,0x00,0xf0,0x00,
0x00,0x00,0x77,0x80,0xff,0xc0,0x88,0x40, // -8-
0x88,0x40,0x88,0x40,0xff,0xc0,0x77,0x80,
0x00,0x00,0x70,0x00,0xf8,0x40,0x88,0x40, // -9-
0x88,0x40,0x88,0xc0,0xff,0x80,0x7f,0x00,
0x00,0x00,0x00,0xc0,0x01,0x80,0x03,0x00, // -/-
0x06,0x00,0x0c,0x00,0x18,0x00,0x30,0x00,
};
unit disp1,disp2,key1,key2;
unit ii,jj;
unit i,sw,xz;
void Delay(unit ms){
ms=ms*3;
while(--ms);
}
void num_led(int kk, int tt)
{
int jj;
for(jj=0;jj8;jj++){
gate11=key1; gate12=key2;
P2=~NUM1[kk+jj*2];P1=~NUM1[kk+1+jj*2];
Delay(20);
P1=0xff;P2=0xff;
gate11=key2; gate12=key1;
P2=~NUM2[tt+15-jj*2];P1=~NUM2[tt+14-jj*2];
Delay(20);
P1=0xff;P2=0xff;
}
}
void display_clock(void)
{
key1=!key1;key2=!key2;
disp1=BUFFER[3]/10;disp2=BUFFER[4]-(BUFFER[4]/10)*10;
ii=disp1*16;jj=disp2*16;
num_led(ii,jj);
P2=0xff;P1=0xff;Delay(60);
disp1=BUFFER[3]-disp1*10;disp2=BUFFER[4]/10;
ii=disp1*16;jj=disp2*16;
num_led(ii,jj);
P2=0xff;P1=0xff;Delay(60);
ii=160;jj=160;
num_led(ii,jj);
評論