用PIC单片机实现的温度传感器，可级联通信，此为温度探头的代码,可用。温度传感器用的是DS18B20,MCU用的是最小型的PIC8脚单片机 PIC12F509.注意前面的配置字.程序经测试通过！-PIC MCU with temperature sensors can be cascaded communication, this is the temperature probe of the code, is available. Temperature sensor is DS18B20,