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数字电子钟，单片机控制，可以设置时间，并且进行时钟计时(Digital electronic clock, microprocessor control, you can set the time and the clock time)

数字表，自动安秒计数，自带按键停止，清零功能。适用于51系列单片机(digital clock asm file for 51.)

国外PLC设计的原理图和PCB(Principle foreign PLC design and PCB)

32位单片机HR8P506上运行FreeRTOS，HR8P506是一款Cortex-m0内核的国产单片机，支持2.5-5.5V的宽电压，36KB Flash和8KB SRAM能够满足绝大多数的应用开发。(32-bit MCU HR8P506 runs FreeRTOS. HR8P506 is a domestic MCU with cortex-m0 kernel, which supports a wide voltage of 2.5-5.5v, 36KB Flash and 8KB SRAM which can meet most application development.)

基于STC89C52单片机的12864动画显示程序，有详细的代码。(STC89C52 12864 based animation program, a detailed code.)

FreeRTOS_KL16FreeRTOS是一个迷你的实时操作系统内核。作为一个轻量级的操作系统，功能包括：任务管理、时间管理、信号量、消息队列、内存管理、记录功能、软件定时器、协程等，可基本满足较小系统的需要(FreeRTOS is a mini real time operating system kernel. As a lightweight operating system, features include: task management, time management, semaphores, message queues, memory management, recording function, software timer, coroutine, can meet the basic needs of the smaller system)

PIC16f84频率计,利用串口直接读取频率数，很方便，里面的代码很简洁(PIC16F84 Frequency counter)

用单片机的汇编语言设计一个温度计，温差在一度以内(MCU assembly language to design a thermometer, the temperature difference was less than)

说明：  基于stm32的交通灯仿真 proteus8.9(stm32 traffic light proteus8.9)

STC12C5A60S2单片机驱动4位共阴数码管动态的显示的电子钟。包含具体的制作步骤和源代码( A STC12C5A60S2 driven by the four common cathode LED electronic clock.)