200W LED照明系统的电源设计 200W LED照明系统的电源设计

完全正确的频率计供大家参考（1602显示),非常适合单片机学习和使用-Completely correct frequency for your reference (1602 show), very suitable for the learning and use of single-chip microcomputer

超声测距c语言程序 利用定时器产生40khz站空比50 的方波 通过检测收到超声波的时间来测距-Ultrasonic Ranging c language program generated using the timer 40khz space station more than 50 of the square wave by detecting the time to receive the ultrasonic ranging

66PP22A单片机dtmf解码程序,用于DTMF通讯 软解码方式-66PP22A SCM DTMF decoder procedures for communications DTMF decoder soft approach

各种试验课件，包括ARM汇编指令，存储器，接口，时钟，数码管，液晶屏，触摸屏，USB接口，ucos移植等。-courseware for various experiments, including the compilation of ARM instructions, memory, interfaces, clocks, digital control, LCD screen, touch screen, USB, CHANGING transplantation.

Daying-YM12864LCM液晶驱YM12864LCM_Daying_430-Daying-YM12864LCM LCD drive YM12864LCM_Daying_430

c51 写的常用源码!-common source!

程序包括的内容是单片机与电脑通过串口通讯的程序，读者可以很容易将此代码移植到自己的系统上。-Procedures, including the content is single-chip serial communication with the computer through the process, readers can easily transfer this code to your system.

STC89C58RD+系列内部eeprom放数据-STC89C58RD+ Series of internal EEPROM data released

NRF401芯片的C51发送子程序-NRF401 chip C51 sent subroutine

用四位LED数码显示管显示实时时钟单片机源程序-with four LED digital display of real-time clock source SCM