DD

该程序利用89c51单片机和lcd液晶显示实现简易的数字示波器，可以显示输入的方波、正弦等信号。压缩包包括硬件连接和软件设计。(The program using 89 c51 and LCD liquid crystal display a simple digital oscilloscope, can display the input square wave and sine signal.Package including the hardware connection and software design.)

说明：  两脉冲频率平均值计算 两脉冲频率平均值计算 两脉冲频率平均值计算(Two pulse frequency average of the two pulse frequency average of two average pulse frequency)

基于单目相机和激光测距仪, 文章提出从一幅图像中识别出非合作目标物体上的矩形面,并提取出 4 个顶点坐标的特征提取方法,为位姿的测量提供必要的信息 提出以激光点为参考, 距离激光点最近的 4 条边 界为矩形面边界的判定准则,并根据激光点到直线的垂足和边界端点约束排除干扰线段 该方法能有效地判 定出矩形面且顶点定位准确,在空间机器人视觉伺服控制半物理仿真系统上得到了验证。(An approach to identi fying the rectangular plane of the object w i thout markers and extracting i t s ape- xes which are needed for pose measurement from an image is proposed in this paper. A cri terion is put forw ard that the edges w hich have the minimum distances around the laser point are regarded as the edges of the rec- tangular plane, and the interferent ial lines are eliminated according to the pedal between the laser point and the edge and two endpoints of the edge. The validity of the method is verified by experiments performed on a sem- i physical simulation system for visua- l serving cont rol of space robot s.)

使用STM32F103单片机实现的电机调速程序(Use STM32F103 MCU motor speed control procedures)

AMBA_3_AHB-Lite协议中文第一版，适合初学者(AMBA_3_AHB-Lite protocol Chinese first edition, suitable for beginners)

基于单片机和C语言的，步进电机加速减速匀速演示，希望方便大家(Based on SCM and C language, stepper motor acceleration and deceleration uniform presentation, I hope to facilitate)

说明：  Ic卡 cpu 卡 发卡源程序 Ic卡 cpu 卡 发卡源程序(ic card cpucard ic card cpucard)

简单的文件系统试验源代码，可用于操作系统的大型实验~~(Simple test source code of the file system, the operating system can be used for large-scale experiments to ~)

42-ps2键盘LCD1602液晶显示.对于初学学习硬件开发的同学们，有很大的帮助哦。(42-ps2 keyboard LCD1602 LCD display. For the beginner to learn the hardware development of students, very helpful Oh.)

zigbee document upload 23/7/2019