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说明：  基于stc15的电子密码锁设计，带原理图(Design of electronic password lock based on stc15 with schematic diagram)

基于STM8的DHT11温湿度计，单总线通讯(DHT11 Thermometer and Humidimeter Based on STM8, Single Bus Communication)

基于C8051的Tra8835驱动程序，并实现液晶显示...(Based on the Tra8835 C8051 drivers, and to achieve liquid crystal display ...)

电能质量芯片RN7302的STM32的SPI口控制方式测试程序(Power quality chip RN7302 the STM32 the SPI port control mode test program)

zigbee document upload 23/7/2019

实现RC522射频芯片的读写，扣费，注册，和充值等功能，51单片机绝得可以用(RC522 RF chip to read and write, chargeback, registration, and recharge function, 51 MCU must have to be able to use)

一个nokia7110屏的 protues仿真及源码完整资料，与大家学习交流(A nokia7110 screen protues simulation and source complete data, with everyone learning exchanges)

说明：  HG32024005型号液晶的C51程序，里面包含不同点阵大小的汉字的显示以及图片的显示，调试成功(HG32024005 C51 LCD models procedure, which contains different character dot matrix display and the size of the pictures show, the successful commissioning)

使用读卡器实现了为个人化的IC卡数据读写(Achieved using the reader for personal IC card data read and write)

利用STM32F103的两个通用定时器产生SPWM波输出。(Two universal timers of STM32F103 are used to generate SPWM wave output.)