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<td align="right"><b><font style="font-size:16px" color="#990000">——
—— —— 技术资料下载中心</font></b> </td>
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<td colspan="2"><font style="font-size:16px" color="#000000"><b>>> <a href="index.htm">PIC12C5XX单片机应用与设计</a>
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<td align="center"><b><font size="3">两个PIC12C5XX应用电路<o:p></o:p></font>
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<td height="300"> <p style="text-indent:21.0pt">PIC12C508/509是8脚封装的8位单片机，极适合于嵌入到各种电子装置中做智能开发，下面介绍二个Microchip公司给出的实例电路。<o:p>
</o:p> </p>
<p ><b><font size="2">§3.1 灯光亮度调节器 </font></b></p>
<p > ·根据房间亮度自动调节电灯亮度</p>
<p > ·手动调节电灯亮度 </p>
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<img src="image/7.gif" width="400" height="244"> <br>
图3.1 灯光调节器<o:p> </o:p> </p>
<p ><b><font size="2">§3.2 家庭防盗传感器</font></b> </p>
<p > ·非法进入声/光报警</p>
<p > ·单片机自动报警/状态保存</p>
<p > ·手动开启/关闭系统<o:p> </o:p> </p>
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<img src="image/8.gif" width="358" height="190"> <br>
图3.2 家庭防盗传感器 </p>
<p >以上二例程序省略。</p>
<p ><o:p> </o:p> </td>
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