temperature sensor DS18B20 温度传感器DS18B
DS18B20 digital temperature sensor DS18B20数字温度传感器
DS18B20 Integrate Temperature Sensor DS18B20集成温度传感器
The measurement of temperature adopts DS18B20 temperature sensor and the measurement value is displayed by LEDs. The Fuel Cell temperature is controlled by cooling fan which adopts PWM control.
温度的测量用DS18B20温度传感器测量，并用数码管显示测量值，用PWM控制冷却风扇控制温度到恒定值。
Completes the temperature survey with keen digit temperature sensor DS18B20, precise calendar clock chip PCF8563 takes the real-time clock source.
用灵敏的数字温度传感器ds18 B 20完成温度测量，精确的日历时钟芯片P CF 8563作为实时时钟源。
The character and application in the granary temperature decting and controlling system of digital temperature sensor DS18B20 are introduced.
介绍了数字温度传感器DS18B20的特点、测温原理，及其在粮仓远程温度测控系统中的应用。
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