基于PIC单片机的DS18B20读写源程序，包括读18B20ROM和在单总线上挂多个18B20的读写和串口通讯程序-DS18B20 based on PIC microcontroller to read and write source code, including reading 18B20ROM and hung in a single bus, multiple 18B20 and serial communication program to read and write
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