基于单片机用软件实现直流电机PWM 调速系统

蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的-Buzzer buzzer ring to change the frequency by changing the delay time if the buzzer is the time to be completed by the time delay

STM32串口操作源代码 STM32串口操作源代码 STM32串口操作源代码-STM32 serial operation serial port operation STM32 source code source code source code STM32 serial operation

《单片机仿真入门实用教程》实例(包括源代码) 单片机仿真教程。-"PROTEUS Practical Guide Getting Started" examples (including source code) Proteus-based simulation of single-chip microcomputer.

KEIL C51，51单片机实现MODBUS从机端-KEIL C51, 51 single-chip client realize MODBUS slave

程序详细功能介绍： * 利用AT89S51单片机的P0端口的P0.0－P0.7连接到一个共阳数码管的a－h的笔段上， * 数码管的公共端通过三极管8550选通。在数码管上循环显示0－9数字，显示时间的间隔可通过修改延时程序。 -Procedures detailed functional Introduction:* use AT89S51 MCU port P0 is connected to P0.0-P0.7 Yang a total digital control of the a-h T segment,* digital tube through the public side-gated transistor 8550. In the digital control on the circulation figures 0-9 show, indicating the time interval may be delayed by modifying the procedures.

通过COM1与单片机通讯的界面程序，包含3个线程-Communications through COM1 and MCU interface process contains three threads

51单片机模拟解码2272程序，此方法较硬件解码要方便而且灵活性要强，可靠性也得到加强。-51 2272 microcontroller decoding process simulation, this method than hardware decoding to facilitate flexibility and stronger, Reliability has also been strengthened.

LCD显示代码，驱动芯片为s6b0741，带有西文显示，中文显示，图片显示，数字显示等功能-LCD display code, and driver chips for the s6b0741, with the Spanish show, Chinese display, picture display, digital display and other functions

这是一个ATMEGA16单片机进行AD转换的源程序代码，包刮单通道和差分转换两种情况，欢迎大家下载。-ATMEGA16 microcontroller for AD conversion of the source code package scratch single and differential conversion both cases, we welcome the download.

At24c01的详细资料，希望对大家有用-At24c01 detailed information, in the hope that useful to everybody