kappaindex

使用超声波模块实现测量距离的目的，测试通过。(Ultrasonic module to achieve the purpose of measuring the distance test.)

hadoop的应用用于统计字符串的出现次数 通过mapreduce来处理(hadoop number of statistical occurrence of a string)

MSP430 驱动GXT-M201串口JPEG摄像头模块源代码(MSP430 serial driver GXT-M201 JPEG camera module source code)

程序是用stm32输出来的信号来控制继电器的开通与否，继而来控制电机的状态(Program is with stm32 output signal to control the opening of relay or not, and then to control the state of the motor )

包含位置式PID算法、积分分离式PID，包括广义互相关函数GCC时延估计，真的是一个好程序。( It contains positional PID algorithm, integral separate PID, Including the generalized cross-correlation function GCC time delay estimation, Really is a good program.)

说明：  XJCG12864 驱动ic是UC1705X, 常用的读写程序(XJCG12864 driver IC is UC1705X, commonly used read and write programs)

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)

基于WiFi的温湿度监测与显示，(1)主控芯片采用STM32系列单片机、数字温湿度度传感器DHT11、WiFi模块ATK-ESP8266； (2)通过数字温湿度度传感器DHT11采集数据； (3)将数据通过WiFi模块在电脑上进行显示。(Temperature and humidity acquisition)

基于STM32F407的LED音乐频谱，AD+DMA采集音乐信号，利用FFT运算得出音乐频谱，通过10*8的LED点阵显示的音乐频谱单片机代码(Based on the LED music spectrum of STM32F407, AD+DMA collects the music signal, obtains the music spectrum by FFT operation, and displays the music spectrum code by 10*8 LED dot matrix.)

说明：  实现温度传感功能 使用1602显示屏 52单片机控制(Realization of Temperature Sensing Function Using 1602 Display Screen 52 Single Chip Microcomputer Control)