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STC单片机实现0.96OLED SPI接口驱动，方便初学者(STC MCU realizes 0.96OLED SPI interface driver, which is convenient for beginners.)

串口控制舵机，可以任意输入角度然后根据串口输入的角度旋转(Serial port control steering gear)

EM78P259N的R功能,实现IR功能可能用到的CONTROL REGISTER(EM78P259N R-function IR feature may be used to achieve the CONTROL REGISTER)

说明：  利用LTC6802结合stm32检测24芯锂电池电压以及电池温度，还可以实现放电平衡(Test 24 core voltage and temperature)

说明：  能利用stm32f4+ov5640去识别黑色(Recognition of Black Using stm32f4+ov5640)

数字温度计 DS18B20控制的数字温度计(Digital Thermometer DS18B20 digital thermometer control)

STM32的USB上位机，动态库，STM32端原代码以及驱动程序(STM32USB，drive code)

电子设备的接触不良原因分析，分析的很深刻。(Electronic equipment is bad cause analysis, very deep.)

说明：  STM32F407定时器实验，使用定时器控制LED闪烁，并且与while循环的闪烁灯进行时间的对比。(STM32F407 timer experiment uses timer to control LED flicker, and compares the time with that of the while cycle flicker lamp.)

通过GPIO口，模拟I2C协议，和设备进行I2C通信(I2C communications via GPIO ports, analog I2C protocol, and equipment)