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(1) 使用DS18B20制作一个数字温度计，使用数码管交替显示当前温度值和设定温度值；
(2) 使用键盘设定某一温度，通过DAC0832输出电压供给发热电阻RT1，使发热电阻RT1固定在该温度。-(1) Use a digital thermometer DS18B20 make use of digital tube alternately displays the current temperature and set temperature (2) use the keyboard to set a certain temperature, the supply of heat through the DAC0832 output voltage resistors RT1, so that heat resistance RT1 fixed in this temperature.
(2) 使用键盘设定某一温度，通过DAC0832输出电压供给发热电阻RT1，使发热电阻RT1固定在该温度。-(1) Use a digital thermometer DS18B20 make use of digital tube alternately displays the current temperature and set temperature (2) use the keyboard to set a certain temperature, the supply of heat through the DAC0832 output voltage resistors RT1, so that heat resistance RT1 fixed in this temperature.
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空调单暖温度控制器.doc