nrf9e5的天线pcb,我找了好久的,可以直接开板

数字时钟--51单片机 可以用KEY调整时间，已经通过验证-Digital Clock- 51 Singlechip KEY can be used to adjust the time has passed validation

基于单片机的USB设计方案，该方案包括了电路原理图、PCB布局图、单片机端的源程序和PC端的USB调试助手，该方案内容详尽。-USB single-chip design based on the Program, which includes the circuit schematic, PCB layout, Microcontroller and PC client-side source code of the USB debugging aides, the program detailed.

我们实验室智能小车源码，含PID算法等。当然只是一个C文件而已，没有工程，只是提供给大家一个参考-Intelligent Vehicle-source our lab, including PID algorithm. Of course it is just a C file, there is no project, only a reference to the U.S.

平凡51单片机教程，写得不错，适合初学者-Extraordinary 51 Singlechip Guide, written well, suitable for beginners

将键盘发回的数据放到一个缓冲区里（数组），当按键结束后发生内部中断来处理所按的按键-returned to the keyboard data in a buffer (the array), when the button after internal interruption to processing by the key

C51写的普通拼音输入法源程序。编译环境：Keil C 6.14。给广大的51爱好者学习交流使用。-C51 Writing Pinyin input method common source. Compiler Environment: Keil C 6.14. To the vast number of fans 51 communicate using the study.

一款用EM78P153S做的433MHZ遥控代码，数据格式自定义。-RF REMOTE CODE（RF 433MHZ COMMUNICATION）

音乐兰花草播放演示，汇编编写，用的是扬声器，不是蜂鸣器!-Music orchids player demo, compilation of writing, using a speaker, not the buzzer!

编程器人机界面,51单片机选择、擦除、下载编程、校验和读除。-programming for man-machine interface, 51 microcontroller choice, erasure, download programming, in addition to checking and reading.

串口通信，单片机识别窗口之间通信，使用的是STI51-Serial communications, single-chip communication between the identification window, using STI51