超声波测距LC1602显示

本包是汤竞南版的51单片机c语言开发与实例，其中包括pdf版的书，和对应书中源码例子，对学习c51开发的初学者很有用。(This package is a version of the 51 Southern Tang King SCM c language and examples, including the pdf version of the book, the book and the corresponding source code examples for beginners learning c51 develop useful.)

基于STM32F407 MCU，对RS485进行通讯测试,DMA收发数据，经测试数据稳定，功能正常(Based on STM32F407 MCU, RS485 was tested for communication,DMA data receiving and receiving, the tested data was stable and the function was normal)

Silan SC92031 PCI Fast Ethernet Adapter driver

高频变压隔离电路,作者：QQ 64134703 ，电子毕业设计，欢迎咨询 (High-frequency transformer isolation circuit, the authors: QQ 64134703, e-graduate design, please consult)

本设计是以单片机为控制核心，通过液晶实时显示时钟，并通过LM35D传感器测量温度，将温度值实时显示在液晶上。(The design is based on microcontroller core, real-time via the LCD display clock, and through LM35D sensors measure temperature, the temperature values ​ ​ displayed in real time on the LCD.)

最最精简的射频对传例程，对于我们自己设计的硬件性能验证和无线代码的入门，都非常有帮助。(Most streamlined RF to pass routine performance verification and entry for hardware wireless code are very helpful.)

DNP3 COmmunication Tutorial

说明：  LTC1867的A/D采集源代码，包括相应的时序及采集处理(LTC1867' s A/D acquisition source code, including the appropriate timing and acquisition and processing)

瑞萨RL78/G13UART串口通讯例程(Renesas RL78/G13UART serial communications routines)

SDL2_image-2.0.0开发包，方便大家使用(SDL2_image-2.0.0 Development Kit to facilitate the use)