文档介绍：目录
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摘要
I

Abstract
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II
1
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1
绪论

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1
课题背景

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2
方案论证
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2
单片机选型
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3
模数转换器选型
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3
显示方案确定
2
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3
硬件设计

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3
温度信号的获取与放大
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3
元件介绍
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4
放大电路设计

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5
模数转换单元
8 A/D ADC0809 ....................................................................
5
位串行转换器
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7
模数转换单元电路的设计

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8
键盘电路的设计
LED