基于SHT71数字温湿度传感器的采集实现，89c51

A line idw code ,can read and download.

DS18B20 c51程序（EE21学习板演示程序） -DS18B20 c51 procedures (EE21 learning demo board)

利用51单片机演奏音乐。定时器控制歌曲的频率（音调），延时时间控制节拍，可以轻松更改为自己想要的歌曲-The use of 51 single-chip music. Timer control of song frequency (pitch), delay time to control the beat, you can easily change the songs you want

《单片机C语言编程与实例》的代码集，可供参考编程用- Single-chip C language programming with examples of the code set is available for reference, programming by

伟福 WAVE6000 环境下 MCS51汇编调用C51例程-Wei Fu WAVE6000 environment MCS51 compilation called C51 routines

c8051f040 t3频率方波输出，T4脉冲计数，T2计时例程-c8051f040 frequency square-wave output, pulse counting T4 and T2 time routines

用51驱动T6963(240*64DOTS)液晶模块-51 driven by T6963 (240* 64DOTS) LCD Module

51单片机操作89F0X0系列FLASH存储器的程序-51 89F0X0 Series MCU operating procedures FLASH memory

cy7c68013代码，c y7c68013代码，-CY7C68013 code, c y7c68013 code, c y7c68013 code,

用于两单片机利用串口通信。有完整的原理图、仿真、程序。-For the use of two single-chip serial communication. A complete schematic, simulation, process.