陈3208点显示的电子时钟，有兴趣的朋友可以自己动手做，但也有变化。

四通道的AD采样转换数据，并用于键盘和数码管的操作和显示。附有参考资料和pdf格式的原理图。-Four-channel sampling of the AD conversion data, and for the keyboard and the operation of digital control and display. With reference materials and schematic diagram pdf format.

ARM汇编指令详解 （含测试题）,-ARM compilation of detailed instructions (including test questions),

pt2272与2262完全仿真程序，并可以搜索全0到全1的地址码和各种振荡电阻-pt2272 with the 2262 full simulation program, and can search the entire 0 to the whole of one address code and a variety of oscillation resistor

Keil C51对8254进行操作的源程序-Keil C51 8254 to operate a source

用VB编写的串口数据采集的程序，是个比较典型的小例子 485通讯协议-Visual Basic and Com Comunicaition

ht1621驱动C语言版本,基本是一个通用的版本-ht1621 driver C language version of the basic version is a generic

零耗时低频宽脉冲软PWM信号控制Keil C51演示程序，转摘！-zero time-consuming low-bandwidth pulses Soft PWM control signal Keil C51 demo program, journals!

BTF020实验程序-1 btf020开发板自带-Experimental procedures BTF020 development board comes with-1 btf020

本应用笔记描述了一种完全可行且高度灵活的软件应用，使用dsPIC30F 来控制无传感器无刷直流（brushless DC，BLDC）电机。 此软件将dsPIC30F 外设广泛应用于电机控制。所实现的无传感器控制算法特别适用于风扇和泵。-The application notes described a completely feasible and highly flexible software applications to control the use of dsPIC30F Sensorless Brushless DC (brushless DC, BLDC) motor. This software will be widely used in dsPIC30F motor control peripherals. The realization of sensorless control algorithm is particularly applicable to the fan and pump.

51单片机常用子程序大全，包括多字节加减乘除，码字转换，浮点数格式化-51 microcontroller used subroutine Daquan, including multi-byte arithmetic, code conversion, floating point format, etc.