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项目经验
多功能数字计时器： 基于80C51单片机的多功能数字计时器，可显示当前时间，显示小时、分钟、秒三位；可随时切换到倒计时功能。
智能体温计： 基于AT89S52单片机的智能体温计，每秒钟采集一次温度，将模拟信号经过处理后送到A/D转换器，将模拟信号转换成数字信号，送入单片机，经单片机控制，每秒钟在LED显示屏上显示一次当前温度，每分钟用语音播报一次当前温度。还可以设置温度预警值，当采集到的温度超过设置的预警值时，驱动蜂鸣器报警。

Project experience

1,Digital Mutil-function Timer:
Based on the 80C51 single-chip, With a 3-digital display of Hour,minute and second. Additional Countdown timer function.

2,Intelligent Mutil-purpose Thermometer:
Based on AT89S52 single-chip.
Analog signal which processed from Fast 1 second response time for instant body temperature reading is converted into digital signals through a A/D converter.
Receiving digital signals, the single-chip processor control a LED screen on which the current temperature displays per second, and a speaker the current temperature taking per minute.
Additional this productor could be setup a warning temperature threshold, which will cause a beep if a detected