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说明：  oled屏幕上面显示时分秒，可自行控制暂停(Time and seconds are displayed on the OLED screen, and the pause can be controlled by itself.)

数字万年历资料，利用汇编语言实现Atmel89C51系列单片机的数字万年历，1602显示，温度采集，时钟芯片计时，是毕业设计的作品，有完整论文。(Digital calendar information)

通用可变增益放大器，放大器的增益可设为四档：0.10―1.00，1.0―10.0，10―100，100―1000，程控DAC8043实现 ( Universal variable gain amplifier, the gain of the amplifier can be set to fourth gear: 0.10-1.00,1.0-10.0,10-100,100-1000, programmable DAC8043 implementation)

STC1256xxAD系列MCU实现8路PT100温度巡回检查程序，温度过高或过低报警。(STC1256xxAD Series MCU achieve 8 PT100 temperature roving inspection procedures, high or low temperature alarm.)

现代8208芯片 abov Keil编译器 榨汁机项目: 电流检测卡机 整流桥前端可控硅调节功率(直流电机) PWM呼吸灯效果 (The modern 8208 chip abov The Keil compiler Juicing machine project: Current detection machine Bridge rectifier front-end silicon controlled power regulation (DC motor) PWM respiratory effects of light )

该程序是CRC校验程序，可以查看文件的校验和，这对文件本身进行校验，也可用在其它程序中检难数据正确与否(CRC procedures can view the document and check that the document itself calibration, but also can be used in other programs Frederick hard data are correct or not)

STC12C5412AD做的温度检测控制的源程序.有AD检测,可控硅过零触发,PID算法.(STC12C5412AD make the temperature measurement and control of the source. Have AD detection, zero crossing triac trigger, PID algorithm.)

以前用精密运放、单片机LPC938加液晶显示屏设计了白光烙铁(T12)控制器(sadfasdgasgdh dgdsfgf hsdfgds sdfg )

说明：  天气微服务架构图，主要讲接微服务架构设计以及各种组件各种解耦(Weather Microservice Architecture)

Realtek最新的5口傻瓜交换机芯片RTL8305NB做的3口百兆交换机原理图、PCB图，以此为参考可以做5口交换机(Schematic and PCB Documents of 3 Ports switch.The main chip is RTL8305NB,which is the new 5 ports switch chip of realtek Co.Ltd.)