18B20单线温度检测的应用样例程序,请将18b20插紧, 然后在数码管可以显示XX.XC，C表示摄氏度，如显示27.3C表示当前温度27.3度-18 b20 temperature detection for single application sample program, please insert 18 b20 tightly, and then in the digital tube can display the XX, XC, C C, such as display 27.3 C said that the current temperature is 27.3 degrees