智能体温计
目录
1 前言............................................................................................................................ 2 2 系统整体设计........................................................................................................... 3
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.............................................................................................. 5 3 系统硬件设计........................................................................................................... 6
电源电路模块................................................................................................. 6
温度检测、放大模块..................................................................................... 7
AD590简介.................................................................................................. 7
、放大电路原理................................................................... 8
A/D转换模块.................................................................................................. 8
ADC0809芯片简介..................................................................................... 9
、显示及报警电路模块................................................................ 11
串行通信模块............................................................................................... 12
语音播放模块..........................................
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