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MCP2515实现CAN232功能 2515初始化程序 CAN发送子程序,查询发送 CAN接收子程序，中断接收 硬件连接： AT89S51/52+MCP2515(MCP2515 features to achieve CAN232 2515 initialization procedure CAN send subroutine, send a query CAN receives subroutine, interrupt reception Hardware connection: AT89S51/52+ MCP2515)

温度湿度传感器的５２单片机Ｃ５１程序，这个温度湿度传感器传感器是Ｉ２Ｃ的，从这个例程中，你可以更好的理解Ｉ２Ｃ的运行机理。(Temperature and humidity sensors 52 Singlechip C51 procedure, the temperature and humidity sensors I2C sensor is from this routine, you can better understand the operation of the mechanism of I2C.)

Himax LCD Initialization code

开源无人机平台 crazyflie 的 原理图(Schematic of the open source drone platform crazyflie)

本报告介绍了基于AT89S52单片机为核心的、以AD0809数模转换芯片采样、以1602液晶屏显示的具有电压测量功能的具有一定精度的数字电压表。在实现基础功能要求之上扩展了串口通讯、时钟功能、高压报警、短路测试、电阻测量、交流电压峰峰值和周期测试等功能，使系统达到了良好的设计效果和要求。( This report describes on AT89S52 microcontroller as the core, to AD0809 DAC chip sampling, digital voltmeter with a certain precision voltage measurement function has LCD display with 1602. On the basis of the functional requirements to achieve extended serial communication, clock function, high pressure alarm, short circuit testing, resistance measurement, AC voltage peak value and cycle testing and other functions, allowing the system to achieve a good performance and design requirements. )

通过串口把cncg代码发送到下位机的软件(CNC control software for C source, the PCB can be controlled carving machine used to big DIY production cost can not use)

LKT4200 32位高端加密IC是目前行业最高端性能的防盗版加密芯片，芯片采用32位CPU(获得全球最高安全等级EAL5+的智能卡芯片),10K RAM ,支持ISO7816及UART通信，通讯速率最高可达近1Mbps 用户程序存储区容量最高可达420K字节。在超高安全等级加密的同时，速度大大超越一般8位或16位加密芯片。(LKT4200 32-bit high-end encryption IC is currently the industry s most high-end performance of the anti-piracy encryption chip, chip 32-bit CPU (the world s highest level of security EAL5+ smart card chip), 10K RAM, support the ISO7816 and UART communication, communication speed up nearly 1Mbps User program memory capacity of up to 420K bytes. Encrypted in the ultra-high level of security at the same time, the speed far beyond the general 8-bit or 16-bit encryption chip.)

汽车道路谱的测试与相关的数据处理技术研究(Research on the technology of the measurement of the road spectrum of the automobile and the related data processing technology)

基于VS2019+VisualGDB的STM32F10X 项目模板 编程语言：C++11 调试方式：Jlink(STM32F10X Project Template Based on VS2019+Visual GDB Programming language: C++ 11 Debugging: Jlink)

二氧化锆氧气传感器的氧气含量测量程序（此程序已经应用到产品）(Procedures for the measurement of oxygen content of two zirconia oxygen sensor (this procedure shall be applied to the product))