mac_layer_switch_latest.tar

IAP 升级 使用芯片STM32F103ZET6 ，BootLoader加载程序进行升级(IAP upgrade using chip STM32F103ZET6, BootLoader loader upgrade)

说明：  2015年电赛国测题，频率测量。基于stm32的频率测量。优点：精密度高，代码简单(In 2015, the National Test of Electricity Competition, Frequency Measurement. Frequency measurement based on stm32. Advantages: High precision, simple code)

网上找的华兄电子SHT20温湿度传感器驱动程序，经修改，在原子开发板上调试成功。可准确读取温度和湿度。编译环境为Keil MDK ARM 5.14(Modified SHT20 driver source code of Huaxiong electronic. Successed run in atomic development board, can read the temperature and humidity. Compiled by Keil MDK ARM 5.14.)

实现流水灯的点亮，SCT12C52开发板( To achieve the water lights lit, SCT12C52 development board)

强大的交通灯，包括仿真，可设置时间，会报警，(The strong traffic lights, including simulation, set the time, will alarm)

赛普拉斯 68013芯片的固件驱动，绝对好用。(68013 Cypress chip firmware-driven, absolutely easy to use.)

基于51单片机的电子密码锁，密码可存于at24c02芯片，实现断电密码记忆功能，可修改密码(Based on 51 single-chip electronic password lock, password can be stored in the AT24C02 chip, to achieve the power password memory function, you can modify the password)

说明：  对AD9959英文数据手册进行了详尽的翻译，并标注出了一些很重要的功能、结构，能加快初学者入门速度，提高编程效率。(This paper makes a detailed translation of AD9959 English data book, and marks out some very important functions and structures, which can speed up the beginners' entry speed and improve the programming efficiency.)

How to program STM8S and STM8A Flash program memory and data EEPROM

智能车的智能车的设计全过程，对于初学者很有帮助，有助于参加比赛的同学设计全过程，对于初学者很有帮助,(Smart car Smart car design the whole process of useful for beginners, students who participate in the competition designed to help the whole process of useful for beginners,)