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, MCU using the smallest PIC8 feet microcontroller PIC12F509. Attention in front of the configuration word. Program has been tested and passed!