DS18B20+1602温度计，代码可以移植在51系列上的单片机。-DS18B20+1602 thermometer code can be transferred in the 51 series on the microcontroller.

基于isd2560和51单片机的语音程序，包括原理图和完整程序，直接调用即可，c语言。-Microcontroller based voice isd2560 and 51 procedures, including schematic and complete procedures, direct calls can be, c language.