binaryclock_16F88

IAR embedded workbench refrence

returns the device state

iphone7原理图，很清晰，有需要的可以下载(iphone7_sch,Friends in need can be downloaded to see!)

本文将选用一块支持 BDS/GPS 双模定位并具有低功耗特 点的芯片 ATGM332D-5N-3X 作为手持定位终端的定位模块。 ATGM332D-5N-3X 支持两种卫星导航系统进行组合定位，包括中国的 BDS （北斗卫星导航系统）， 美国的 GPS 。该模块具有 32 个跟踪通道，两个卫星导航系统的 GNSS 信号可同 时被接收，从而实现联合定位的功能。 ATGM332D-5N-3X 模块具有高灵敏度、 低功耗、低成本等特点，适用于船舶导航、车载导航、可穿戴设备等。(This article will choose a piece of support BDS/GPS Dual mode positioning with low power consumption Point chip ATGM332D-5N-3X As a positioning module for a handheld positioning terminal. ATGM332D-5N-3X Support two satellite navigation systems for combined positioning, including China. BDS (Beidou satellite navigation system), American GPS . The module has Thirty-two A tracking channel, two satellite navigation systems GNSS Signal can be identical It is received and the function of joint location is achieved. ATGM332D-5N-3X The module has high sensitivity, Low power consumption, low cost and other characteristics, suitable for ship navigation, vehicle navigation, wearable devices, etc.)

射频卡协议ISO14443中文版 非接触式(RF card agreement ISO14443 Chinese .doc)

IPC2221功率电子设计中安全间距标准规范(IPC2221 power electronic design safe distance Standard)

51单片机C语言 600线编码器AB相计数(51 singlechip C language, 600 line encoder, AB phase count)

基于labwindows/cvi设计的温湿度控制上位机软件，可以监测温湿度实时情况。(Based on the labwindows/cvi design of temperature and humidity control of the PC software, can monitor the real-time temperature and humidity.)

Mapreduce实现的TF-IDF词频统计分析，可以直接运行于HADOOP环境下(Analysis of TF-IDF statistical Mapreduce to achieve, can be directly run in HADOOP environment )

运用stm32单片机控制板球平衡系统，运用PID控制以达到目标效果(The balance system of cricket ball is controlled by STM32 single chip computer, and the target effect is achieved by using PID control.)