bldcti

说明：  单片机通信协议处理 上位机和下位机中的数据发送 (Microcontroller communication protocol processing)

zlg 关于rc522 rc523 pn512的底层代码和14443A 和14443B 只要掌握了这些代码就可以开发对应的M1卡和CPU卡读写程序(ZLG about rc522 rc523 pn512 underlying code and 14443 a and 14443 b as long as to master the code can develop corresponding M1 card and CPU card read and write procedures)

在STM32F103VGT6上点亮正点屏幕(On STM 32F 103 VGT6, light up the punctual screen)

说明：  一个arm开发板的sd卡程序设计用于设计SD卡的实现(An arm development board designed sd card program is designed for the realization of SD card)

1.手机APP远程控制：STM32L432开发板通过WIFI模块与因特网服务器建立TCP连接，服务器使用腾讯云，服务器系统为ubuntu，就是在ubuntu上建立一个TCP中继服务器，实现远程手机端与家居系统的信息中继传递，从而实现远程控制。 2.室内控制质量检测：通过MQ-2、MQ-135、GP2Y1050AU0F模块实现室内有毒气体（苯等）、可燃气体（一氧化碳等）和PM2.5的检测，并通过ESP8266将检测到的数据反馈给APP端。 3.家具电器自动控制：家具系统能通过检测到的数据自动控制打开空气净化器、抽风机等(261/5000 1. Mobile APP remote control: STM32L432 development board through the WIFI module to establish TCP connection with the Internet server, the server uses Tencent cloud, the server system is ubuntu, is to establish a TCP relay server on ubuntu, remote mobile phone and home system information Relay transmission, in order to achieve remote control. 2. indoor control quality detection: through the MQ-2, MQ-135, GP2Y1050AU0F module to achieve the indoor toxic gases (benzene, etc.), combustible gases (carbon monoxide, etc.) and PM2.5 detection, and through the ESP8266 feedback to the detected data APP side. 3. Furniture electrical automatic control: furniture system can automatically detect the data through the open air purifier, exhaust fan, etc.)

DS1990A的C51读写程序(DS1990A read and write procedures for the C51)

说明：  STM32H7串口DMA的实现代码，供参考(STM32H7 Serial Port DMA)

介绍AT24C512结构和基本原理基础上，按照PC机文件管理思想实现AT24C512文件系统，提高数据管理的效率(Introduction AT24C512 structure and basic principles based on the PC, file management in accordance with ideology AT24C512 file system, improve data management efficiency)

野火开发板触摸屏主程序,涉及到的函数库在其官方库有(Wildfire main touch screen development board)

分为主机，从机两部分，从机收集温度并动态显示在数码管上；主机和从机通过nrf24l01模块进行无线通信，主机把从机（3个）的温度数据显示在lcd1602上(It is divided into two parts: the master and slave, which collect the temperature from the slave and display it dynamically on the digital tube; the master and slave communicate with each other through the nRF24L01 module, and the host displays the temperature data of the slave (3) on the lcd1602.)