一种基于PWM调制的高效率的变换电路的研究。

89C2051 + 4-digit 7-SEG led + 4-key switch c源代码-89C2051 4-digit 7- SEG led 4-c switch key source

单片机定点运算子程序库，源程序经KEIL测试ok.-SCM- point computation subroutine library, source testing by KEIL ok.

51单片机的端口应用，绝对能用的，直接是开发板的程序，来下吧-51 port MCU applications, the absolute can be used, direct the development of board process to the next bar

Keil C51编写的Aduc812的完整代码，适合学习使用Aduc812单片机进行AD_da处理 -Keil C51 prepared by the Precise code of integrity, Precise suitable for learning to use the MCU for handling AD_da

ad1674转换试验，含protues原理接线图，硬件测试有用-AD1674 conversion test, containing wiring diagram protues principle, hardware testing useful

经典C程序100例，比较详细，应该对大家提高有所帮助-100 cases of classic C procedures, a more detailed and should be helpful to all of us to improve

这是一个芯片资料,可以为单片机初学者提供一个认识芯片的文档.对学习单片机的同学有帮助-This is a chip data, we can provide an understanding of single-chip chip beginners document. MCU learning students have to help

一个解码器程序，内含派尔高－Ｄ协议，自已写的，只写了一个协议．同时增加了一个串口，用５１单片机的一个脚进行模拟串行口．有兴趣可以看一下．-a decoder procedures intron Pelco-D agreements own writing, just write an agreement. While an additional serial port, using the MCU 51 feet for a simulated serial port. Interested can look at.

这是一个单片机应用中编写键盘代码时可以对比参考的，PS2接口的键盘对应的按键码，很实用的，有用到得朋友可以看看。-This is a microcontroller application can write code in contrast to the keyboard reference, PS2 keyboard interface, the corresponding key code, very practical and useful to have a friend take a look at.

一个采用C8051F020+CH372实现的带USB功能的流量测控系统，包括C8051F020的AD/DA/串口编程、触摸屏的串口编程、CH372实现的USB接口编程（原创）等。这些源代码已在某产品中使用。-A used C8051F020+ CH372 achieved with USB function of flow measurement and control system, including the C8051F020 the AD/DA/serial programming, the serial touch-screen programming, CH372 realized USB Interface Programming (original) and so on. These source code has been used in a product.