51botelvchuzhijishuan

说明：  通过C语言实现 malloc 申请内存 清除内存等操作(C implements malloc)

stm32f0使用spi实现主从通讯,可以实现主主机发送和从机发送(Stm32f0 uses SPI to realize master-slave communication, and can send and transmit the main host.)

说明：  关于利用TCT40-16ＦＳ进行超声波测距的原理图，实物图，源码，看完之后对超声波测距将不再陌生．(Conducted on the use of ultrasonic ranging TCT40-16FS schematic, physical map, source, after reading will not be a stranger on the ultrasonic ranging.)

说明：  基于51单片机的led源程序，常见问题解决方法 ： LED不亮的： 1． 请您检查排线是否插好！ 2． 换根排线试试。(Led Source Program Based on 51 Single Chip Microcomputer,Solutions to Common Problems:LED is not bright: 1.Please check whether the cable is plugged in properly. 2.Try changing the cable.)

SIM卡电话本读写方案，了解SIM文件系统和外部接口的实战方案，采用EMC915芯片实现。(SIM card phone book reader program, to understand SIM file system and the external interface of practical solutions, using EMC915 chip.)

角度传感器资料，另附源码，角度传感器测的角度通过数码管显示(Angle sensor data, attached source, angle sensor measures the angle through the digital display)

本代码为基于STM32单片机的am2322温湿度传感器驱动代码，已经经过本人优化，并已经测试通过，可以直接用于采集温湿度信息，本代码采用keil5编程软件，下载解压后即可使用。 (本代码为基于STM32单片机的am2322温湿度传感器驱动代码，已经经过本人优化，并已经测试通过，可以直接用于采集温湿度信息，本代码采用keil4编程软件，下载解压后即可使用。(This code is based on the STM32 MCU am2322 driver code, temperature and humidity sensor has been optimized himself, and has been test pass, temperature and humidity can be directly used for collecting information, this code USES keil5 programming software, after download decompression can use. (this code is based on the STM32 MCU am2322 driver code, temperature and humidity sensor has been optimized himself, and has been test pass, temperature and humidity can be directly used for collecting information, this code USES keil4 programming software, after download decompression can use.)

通过光明电阻检测实现对光源的自动追踪，并在LCD12864显示对应光照强度。(The light source is automatically tracked by light resistance detection, and the corresponding illumination intensity is displayed on LCD12864.)

说明：  esp8266相关模组的AD封装与元件库，包括ESP-01、ESP-01S、ESP-01F、ESP-01M、ESP-07、ESP-07S、ESP-12E、ESP-12F、ESP-12M等模组的PCB封装与元件库(AD PCB and component library of related modules of esp8266, including PCB and component library of esp-01, esp-01s, esp-01f, esp-01m, esp-07, esp-07s, esp-12e, esp-12f, esp-12m, etc)

STM32的USB声卡程序。内有详细的注释和文档。很好的学习资料。(STM32 USB sound card program. There are detailed notes and documentation. Good study materials.)