驱动程序，包括实现过程中的细节和实现

摄像头抓屏程序 在linux下运行 需要v4l.h v4l.c-use webcam to capture pics in linux

本文件是用keil软件编程的键盘控制程序，用扫描法控制51单片机的键盘-This document is keil software keyboard control procedures scanning method using the keyboard control 51 single-chip

没有用锁存器来做的动态数码管显示。 用c语言写的89c51， 有proteus的仿真-Latches do not use dynamic digital tube display. Written by c language 89c51, there Proteus Simulation

这是有关DM642开发板的相关幻灯片，对初学者有帮助-DM642 related ppt ,it will be helpful for beginer

程序包含了一个USB和UART相互转换的模块代码,其中包含了PCB电路图,和PC驱动程序.-procedure includes a USB and UART conversion module code, This included PCB circuit, and PC drivers.

NVRAM_Configuration_Guide_User 密码在注释文挡里-Notes NVRAM_Configuration_Guide_User password in the text block in

下面是一个超声波测距的程序，硬件电路由于电脑格盘已丢失，下面的代码是从样机上复制的。 硬件电路包括液晶显示、超声波的发射、超声波的接受、滤波、单片机处理。 液晶显示采用LCD1602模块，下面的代码里有液晶的驱动，可以拷贝用于它处。 超声波发射电路包括压电换能器及其支持电路，发射约44KHz的超声波。 超声波的接收电路包含一块CD40106处理芯片。技术指标大约是测距范围在三米左右，测量精度约在厘米级别。大量用于倒车雷达的测距中。-The following is a range of ultrasound procedures, the hardware circuit as a result of the computer grid plate has been lost, the following code is copied from the prototype. Hardware circuit including liquid crystal display, ultrasonic transmitter, ultrasonic acceptance filtering, single-chip processing. LCD1602 LCD module used, the following code, there are LCD drivers, you can use it to copy. Firing circuit including the piezoelectric ultrasonic transducer and its support circuitry, fired about 44KHz ultrasound. Ultrasonic receiver circuit includes a processing chip CD40106. Technical indicators for a range of about 3 meters range around the measurement precision level of about cm. Reversing a large number for the location of the radar.

GPRS模块上的数码管显示原理和程序等，很详细-GPRS module digital tube display principles and procedures,

大功率激光前列腺治疗仪的控制系统界面程序，实现用户的交互控制-High-power laser prostate treatment instrument control system interface procedures, users realize interactive control

通过官方例程修改而来的，基于STM32的USB HID类鼠标和键盘的复合使用的源文件，经测试可用