Stopwatch

用于数字电话号码键盘的解码，采用goertzai的方式，希望对您有用(For digital phone number keyboard decoding, using the goertzai way and hope to be useful to you)

开发一个U盘的全套资料，单片机采用Cypress SL811HS，包含原理图，PCB图，器件资料和源程序，自己开发U盘或者是基于USB协议产品，这样的资料就你想要得！(development of a U disk full set of information, microcontroller using Cypress SL811HS, includes drawings, PCB plans, device information and source files, developed by U disk or USB agreement is based on the products, on the information you want in!)

说明：  基于51单片机的远程仓库湿度监测系统，含proteus仿真(Remote Warehouse Humidity Monitoring System Based on 51 Single Chip Microcomputer with Proteus Simulation)

STM32串口，基于stm32开发板实现的串口通信程序。(STM32 serial demo)

emWIN,解决64位机不能使用软件工具的尴尬，可以说是前期版本的升级版5.22版本(EmWIN, to solve the embarrassment of 64-bit computers not using software tools, can be said to be the upgraded version of 5.22 version of the previous version.)

msp430的矩阵键盘，通过芯片7289来控制，可以试试，实测通过(fahdlgashgldasjglasjgasgjlklsdjk)

说明：  30章51单片机入门教程，让你轻松学会单片机，不用老师，自学也能学会(30 Chapter 51 MCU introductory tutorial, allow you to easily learn the microcontroller without the teacher, can learn to self-)

RFM12B modul reciver-transmitter source code in C

单片机用的是C8051F060，我写的ADC和DAC 程序(Microcontroller using a C8051F060, I wrote procedures for ADC and DAC)

说明：  NRF24L01无线通信,51单片机通信参考程序(24l01 wireless comunication)