hjghjgjghg

MSP430F169单片机矩阵键盘扫描程序，用一位共阳数码管显示(MSP430F169 microcontroller matrix keyboard scanning procedures, using a common anode LED display)

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

说明：  本系统以单片机AT89C51为主体,由芯片插座、独立按键、74HC573驱动8位数码管显示、5V直流电源控制模块等组成。根据数字集成芯片的引脚特性以及集成芯片的真值表编写检测程序。该系统能完成14脚以内常用TTL74系列数字集成芯片的功能测试。(This system is the main body of the single-chip microcomputer AT89C51, the chip socket, independent buttons, 74HC573 Driver 8 digital control, 5V DC power control module and so on. According to the characteristics of the digital chip and the chip s true value, the program is written in the chip.. The system can complete the functional test of the TTL74 series digital IC chip in 14 feet.)

说明：  i2c红外 小车扫描 简单程序 扫描准确(smart car scan easy program)

c51单片机18B20+lcd1602显示 ，c51单片机18B20+lcd1602显示(18b20 for C51 and lcd1602)

AT89C51驱动直流电机，有仿真跟C语言。直流电机驱动，实现直流电机的正、反转，PWM调速。(AT89C51-driven DC motor, a simulation with the C language. DC motor drives, DC motor forward and reverse PWM speed control.)

一个测试Radius的工具,可以测试Radius服务器是否正确(tekradius this is a good test tool)

单片机通信，vb与18b20温度传感器通信资料，包括上位机和下位机程序(Single-chip communication, vb and 18b20 temperature sensor communication data, including upper and lower machine program)

STM32 4路AD+5110显示 ( )

通过把开机次数记录在24C02中，并在数码管上显示出来， 124C02的写保护脚为低电平，即允许写(Boot number of records in the 24C02, and displayed on the digital 124C02 write-protect pin is low, that is allowed to write)