PROPW

说明：  嵌入式之使用STM32F429完成锁相环放大器的设计，包含C语言源码。(PLL Amplifier completed by STM32F429.)

源码包括了CE5460A的基本读写，以及如何校准，还有CS5460A的相关datasheet(CE5460A source code, including the basic read and write, and how to calibrate)

说明：  各位C51的爱好者能够看到我的拙作，这离不开龙 啸九天版主的支持，在此，我向他表示感谢，也相信C51BBS会越办越好！(C51 fan you can see my apology, which is inseparable from Long Xiao nine moderator support in this, I thanked him, and believe C51BBS will be better and better!)

安卓手机R63311液晶屏动驱初始化代码(R63311 initialization code)

说明：  实现oled显示功能，完成字符、图片、文字等显示(Implement oled display)

可用于单片机的温控PID算法，精准到0.1℃(Temperature control PID algorithm for single chip microcomputer)

温度传感器18b20用C51控制，可以实现功能。操作简单，程序易懂适合入门(Temperature sensor 18b20 with C51 control function can be achieved. Simple, easy to understand procedures for entry)

超声波模块的使用，包括和单片机通信 可以实现超声波测距(The use of ultrasonic modules, including communication can be achieved and the microcontroller Ultrasonic Ranging)

说明：  在keil下，主要提供了ad9851,12864(st7920),zlg7289,ads7886,51单片机外围程序。(In keil, the main provider of the ad9851, 12864 (st7920), zlg7289, ads7886, 51 MCU peripheral procedures.)

基于ESP8266 的物联网CoAP的实现(Implementation of Internet of Things CoAP Based on ESP8266)