ymodem_mcu

传输线等值电路计算实例，已调试成功，输出波形正确。(Transmission line equivalent circuit calculation example, has been successful commissioning, the output waveform is correct.)

USART_DMA双缓冲接收数据 stm32f103 双缓冲接收数据(stm USART DMA Double buffer receiving data)

application note analog devices

说明：  此代码为在proteus中仿真代码，实现功能：利用液晶显示时间，通过按键调节时分秒。(This code is a simulation code in proteus. It realizes the function of adjusting the time and seconds by keystrokes using liquid crystal display time.)

stm32用于软开关谐振电源LLC的设计，130K谐振频率(Stm32 is used to control resonance LLC soft switching power supply , 130k frequency)

支持HDMI1.3a，非常强大的一款HDMI芯片，本人花了好长时间才找到。(Support HDMI1.3a, very powerful chip, a HDMI, I took a long time to find.)

MSP430 应用源程序。 包括： GPIO Flash Memory P1 Interrupt Timer A UART I2C PWM Playing Music Huminity Sensor Pressure Sensor LCD_2X12 LCD240X160 Speaking LM75A DS2401 IR_Decoder 可以到http://franktu.com/下载更多源程序。 (MSP430 应用源程序。 包括： GPIO Flash Memory P1 Interrupt Timer A UART I2C PWM Playing Music Huminity Sensor Pressure Sensor LCD_2X12 LCD240X160 Speaking LM75A DS2401 IR_Decoder More MSP430 source code can be download from http://franktu.com/ )

1、Cmos Sensor OS 测试； 2、主控单片机型号：STC15F4K60S4 3、模拟电子开关：CD4051 CD4067BM96 4、单片机控制模拟电子开关自动采集被测Sensor 各PIN的导通压降，将数据通过串口 发送至上位机，上位机接收数据并对数据进行分析判断，给出最终的OS测试结果； 5、单片机10位精度AD 电压采集； 6、支持单片机串口通信；(1, Cmos Sensor OS test 2, the master SCM model: STC15F4K60S4 3, analog electronic switch: CD4051 CD4067BM96 4, the microcontroller controls the analog electronic switch automatically collect test each PIN Sensor voltage drop, sending data to upper computer through the serial port, the PC receives the data and data analysis to determine, given the final OS test results 5, the microcontroller 10 AD precision voltage acquisition 6, support for single-chip serial communication )

keil 51的学习资料，里面包含了keil软件，以及51的PDF教程，和安装程序(learning materials in the keil 51, which contains the keil software, and 51 PDF tutorials, and installation procedures)

buck开关电源， 补偿环路计算程序，能够对buck的补偿环路画伯德图(buck-loop compensation calculation procedure)