ATtiny24

说明：  cordic算法的C语言实现，包含了相应C语言程序，十分珍贵(cordic algorithm C language, contains the corresponding C language procedure is very valuable)

Pic micro PWM calculator

应用于污水处理工艺的水泵驱动程序，该程序使用ucos-III操作系统，运行于STM32F407芯片中，具有LCD12864液晶显示程序，菜单程序，USART通讯，SPI通讯，485通讯等功能。(The pump driver used in the sewage treatment process is running on the STM32F407 chip with the ucos-III operation system. It has the functions of LCD12864 LCD display program, menu program, USART communication, SPI communication, 485 communication and so on)

Spartan® -3E 现场可编程门阵列家族是为满足对成本敏感的消费电子大量应用的需要 而特别设计的。 (Field Programmable Gate Array family needs is to meet the cost-sensitive applications, a large number of consumer electronics Specially designed.)

Zigbee 实战演练，CC2430学习手册。(Zigbee practical exercise, CC2430 study manual.)

假设P1.0口为发光二极管（共阴），其通过按键来控制是否开启(Suppose that the P1.0 port is a light emitting diode (common negative), which controls whether to turn on or not by pressing a button.)

在SMT32F7平台上的基于FreeRtos系统的Lwip1.4的移植(Transplantation of Lwip1.4 Based on FreeRtos System on SMT 32F7 Platform)

文字或句子自動隨機排列.可以有助各位溫習功課和考試(Automatic random words or sentences arranged)

2015年电赛频率计，优点：简单易实现，精密度高(2015 frequency race frequency meter, advantages: simple and easy to implement, high precision)

说明：  A5130是一款图传模块，程序实现了使用stm32作为主控mcu，通过stm32的硬件四线spi总线控制A5130的寄存器实现两个模块之间的正常通信。(A5130 is a graphics module. The program implements the use of STM32 as the main control MCU. It controls the normal communication between two modules through STM32's hardware four wire SPI bus to control the register of A5130. Fast transmission rate, no packet loss)