这是一个基于51系列单片机的超声波测距程序 解压不需要密码....

* 硬件结构： PA0-5对应６个ＬＥＤ数显管的位 ，PC0-7对应各ＬＥＤ数显管的段 ，PB4-7为键盘。 * 软件描述： 上电后，时钟从00.00.00（时/分/秒）自动走时，在走时状态时 ， 按PB4（设定 * 键）超过3秒可循环选择调整时间/工作参数 ，接着按PB5以确定选择的操作 ，进入调整操作后 ， * 按PB5选择欲调整参数，按PB6（增加键）完成调整参数操作 。按PB7，进入时控运行，PB1亮， * 再按PB7停止时控运行，回显走时。在定时到时，PB0点亮。- * Hardware architecture: PA0-5 corresponds 6 LED numbers to reveal the tube the position, PC0-7 corresponds each LED number to reveal the tube the section, PB4-7 is a keyboard. * Software description: After on electricity, clock from 00.00.00 (when/a minute/second) is in luck automatically, when is in luck the condition, according to PB4 (hypothesis * The key) surpasses for 3 seconds to be possible to circulate the choice time/operational parameter, then presses PB5 by to determine the choice the operation, after enters the adjustment operation * Wants according to the PB5 choice to adjust the parameter, (increases key) according to PB6 to complete the adjustment parameter operation.According to PB7, enters when controls the mov

运用AVR单片机的MEGA16L控制NRF24L01射频芯片接收数据的应用-use mega16l to control nrf24l01 to receive data

液体点滴速度监测，为电子设计大赛的题目所配的程序-liquid drop monitoring, electronic design contest for the theme of the allocation procedures

本论文从道路环境理解的角度出发，针对智能车辆视觉导航中的车道保持问题，运用单目视觉技术对行驶车辆前景中的道路边界和车道线进行检测，以获取本车与当前道路的相对位置信息和方向信息。-In this paper, the understanding from the perspective of road environment for visual navigation of intelligent vehicle driveway to keep the issue, using monocular vision technology to the prospect of moving vehicles in the road boundaries and lane lines for testing to get the car and the current relative position of the road information and direction information.

一个电器智能控制开关的源程序，可作为智能家居系统中的一个模块使用，与上位机相连，接收上位机的指令并进行开关动作，可查询状态-An intelligent control switch electrical source, can be used as smart home system, a module to use, with the host computer connected to host computer receives the instructions and make switching action, you can check the status

定时器结合LED 7805开发板，适合初学者-Timer combination LED7805 development board, suitable for beginners

一个用keil 51c实现的单片机系统程序，实现led显示和其他一些模块的控制-Using keil 51c realize a single-chip microcomputer system of procedures, led display and realize a number of other control modules

在8051单片机应用系统中使用DiskOnChip_805-applications use DiskOnChip_805

51单片机收发短信的程序，W77e58单片机外括16kram就行-51 SCM SMS procedures, including W77e58 SCM 16kram on foreign firms

利用c8051f020单片机进行串口通讯的软件程序，此型单片机将会成为8位机主流-by Using C8051f020 MCU for serial communication software program, this type of SCM will become mainstream eight-