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单片机键盘接口，可以用于单片机使用键盘,省去很多时间(PS/2 jian pan jie kou cheng xu )

这是一个为数不多的用C语言编写的PIC12C508的RGB灯的小型控制器，交流同步信号检测，七彩跳变+七彩渐变，做LED的朋友可以参考，程序可以直接使用的；(This is a small controller RGB lights a few written by C PIC12C508, AC synchronous signal detection, colorful jump+ colorful gradient, do LED friends can reference, the program can be used directly )

自制自行车尾灯带呼吸灯Homemade bicycle taillights with breathing lamp(Homemade bicycle taillights with breathing lamp)

zigbee document upload 23/7/2019

说明：  绝对精美的万年历，12864+ds1302+ds18B20,支持公历，农历，温度等。功能非常全，非常精美。(Absolutely beautiful calendar, 12864+ Ds1302+ Ds18B20, in support of the Gregorian calendar, the Lunar and temperature. Very wide, very delicate.)

说明：  stm32f103rct6 IAR工程环境，使用IAR 8.x(stm32f103rct6 project)

基于430单片机实现的AD9852信号发生器。可以实现键盘输入频率选择，也可实现频率范围内扫频，功能菜单由12864显示(the AD9852 signal productor based on 430 MCU ,the frequency of signal can be controled by 4*4 keyboard .)

这是mso430f5529最小系统原理图(This is the schematic diagram of the minimum system of mso430f5529.)

stm32f4串口通信,STM32F4与STM32F1在ADC方面的区别(stm32f4 usart)

光纤通信系统是以光纤为传输媒介，光波为载波的通信系统。主要由光发送机、光纤光缆、中继器和光接收机组成，本文利用optisystem仿真光纤通信系统(Optical fiber communication system based on optical fiber transmission medium, light waves as carrier communication system.Is mainly composed of optical transmitter, optical fiber cable, repeater and optical receiver, optical fiber communication system based on optisystem simulation)