4位密码锁完成

HT1621是128点内存映象和多功能的LCD驱动器HT1621的软件配置特性使它适 用于多种LCD应用场合包括LCD模块和显示子系统用于连接主控制器和HT1621的管 脚只有4或5条HT1621还有一个节电命令用于降低系统功耗(HT1621 is 128 memory mapping and multi-function LCD drive HT1621 software configuration properties make it suitable Used for a variety of applications including LCD LCD module and display subsystem is used to connect the main controller and HT1621 tube Only 4 or 5 foot HT1621 there is a power saving command is used to reduce the power consumption of the system)

CW2015芯片的单片机代码,CW2015是一个测量电池电量的芯片(CW2015 chip microcontroller code, CW2015 is a measure of the battery power of the chip)

基于TTL通信接口的摄像头模块，可完成摄像头拍照功能并存储在SD卡上(The camera module based on the TTL communication interface can perform camera function and store it on the SD card)

此代码为基于51单片机的超声波测距程序，内含LCD12864显示程序，可实时显示距离。(This code is based on 51 microcontroller ultrasonic ranging program, containing LCD12864 display program can display distance in real time.)

Delta servo drive a new generation of hardware ASDA-B2 manual programming is an electrical engineer hardware reference manual,

stm8s207 无刷电机带霍尔、OLED屏、pid闭环控制(MOTOR RUN WITH SPEED CLOSED LOOP)

说明：  PIC单片机从SPI，接收其他主SPI的数据(PIC Singlechip from the SPI, main SPI receive data from other)

nRF24L01点对点跳频技术应用,关于射频2.4G无线通信的应用(nRF24L01 point hopping technology applications)

相信大大家都用过DS18B20A，我自己也用手写了个玩玩(Believe that we all used DS18B20A, I have to play with a hand-written)

PSCAD风机（异步机带桨距角控制）经过0.69kV-13.8kV-115kV-345kV三级升压，远距离电缆并入主网模型(PSCAD wind )