数码管显示，并且带有按键功能，按键实现数码管时钟的计时。...

RS485标准的C51通信程序，只要两个单片机和485芯片就可以实现通信-C51 standard RS485 communication program, as long as the two single-chip and 485 chip communication can be achieved

数字频率合成器DDS9851控制系统的单片机源代码，键盘输入频率，液晶显示，并实时输出所需频率，该系统可选择输出方波和正弦波。-Digital Frequency Synthesizer Singlechip DDS9851 control system source code, keyboard input frequency, liquid crystal display, and real-time output frequency required, the system can choose the output square wave and sine wave.

STM32 芯片中文手册。 STM32F103_cn.rar-STM32 chip Chinese manual. STM32F103_cn.rar

ds1302的单片机程序实现，适用51的时钟芯片-ds1302 the SCM program, the application of 51 clock chips

C8051FXXXX的一个开发例程，对于接触C8051F12X的开发者比较有用，可以下载看一下-C8051FXXXX development of a routine, contact C8051F12X developers more useful, can be downloaded to look at

温度传感器LM75测试c语言程序（带串口发送程序）-LM75 temperature sensor test c language program (with Serial Send procedure)

单片机CPU时序-SCM CPU timing

单片机实现二进制数转换成ASCII码程序-MCU binary conversion into ASCII procedures

modbus slave programs MODBUS RTU从站 源程序-modbus slave programsMODBUS RTU slave source

利用单片机51加sl811芯片实现对u盘读写的控制，代码仅供大家参考，如有不对之处，敬请谅解-Sl811 increase the use of single-chip 51 chip on the u disk read and write control code for your reference, if doing so after updating