通过单片机对HT9200进行控制访问，实现电话的DTMF拨号功能

STC单片机的AD功能测试。测试中通过P3口的LED指示AD值。-STC microcontroller AD functional tests. Testing of the LED through the P3 port direction AD value.

使用68HC705J1A写的一个键盘的代码,包括资料说明,一份难得的资料,本人开发键盘时好不容易才找到的资料-68HC705J1A use of a keyboard to write code, including the information note, a rare information, I developed the keyboard is not easy to find when the information

功能描述： 利用AT89S51单片机的T0、T1的定时计数器功能，来完成对输入的信号进行 频率计数，计数的频率结果通过8位动态数码管显示出来。要求能够对2－40KHZ 的信号频率进行准确计数，计数误差不超过2/1-Functional Description: Using AT89S51 MCU T0, T1 timing counter function, to complete the input signal frequency counting, counting the frequency of 8 resulted in the adoption of dynamic digital tube display. Request to the 2-40KHZ signal frequency accurately count, counting error of less than 2/1

HOLTEK单片机选型目录 HOLTEK单片机选型目录-HOLTEK single-chip single-chip Selection Selection HOLTEK directory directory

本程序是基于MFRC500射频卡读写器的单片机控制程序，所用单片机为AT89C52.-This procedure is based on RF card reader MFRC500 microcontroller control procedures, using microcomputer AT89C52.

飞思卡尔智能车闭环控制 18K-20K 变化-Freescale intelligent closed-loop control cars 18K-20K changes

MSP430 串口通讯 利用查询实现，经运行通过-MSP430 serial communication using Query, running through

美的的一个吸尘器程序 -The United States, a vacuum cleaner process

寻迹小车，含详细的注释。1、电机有良好的驱动特性，可正、反转动，且转动平稳、有力；2、可靠的获取转速反馈信号；3、根据反馈信号使用有效的控制策略使电机达到所需的转速；4、利用码盘的反馈信号控制行走距离；5、 可以根据命令实现电机的特殊运行状态：刹车、惰行。-Tracing car, with detailed notes. 1, the electrical drive has good features, can be positive and negative rotation, and rotation smooth, powerful 2, reliable access to speed feedback signal 3, according to feedback signal to control the use of effective strategies to achieve the required motor speed 4, the use of encoder feedback signal control walking distance 5, can realize under the command of the special motor running: brakes, Inerting line.

研究所积累的资料2,大家秘密使用,千万别告诉别人!-2 Institute of accumulated data, we use a secret, please do not tell others!