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GPS编程 GPS 接收程序 DEMO。 HsGpsDll Library 1.1 A GPS Control/Component for C/C++ HsGpsDll is a Windows Dyn
GPS 接收程序 DEMO。
HsGpsDll Library 1.1
A GPS Control/Component for C/C++
HsGpsDll is a Windows Dynamic Link Library which provides access to any NMEA-183 compliant GPS receiver via a serial communications port. HsGpsDll is designed for use from Visual C, Visual Basic or other languages, capable o ...
书籍 Next+Generation+Telecommunications+Networks
Never have telecommunications operations and network management been so
important. Never has it been more important to move away from practices that date
back to the very beginning of the telecommunications industry. Building and con-
necting systems internally at low cost, on an as - needed basis, ...
Java书籍 Overview If you have been wanting to learn Java, check out the newly revised fourth edition of the
Overview
If you have been wanting to learn Java, check out the newly revised fourth edition of the best-seller Sams Teach Yourself Programming with Java in 24 Hours. This step-by-step tutorial will teach you how to create simple Java programs and applets. Comprised of 24 one-hour lessons, this new e ...
其他 The JICQ is the bureau area which JAVA writes according to "Customer s Machine/Server"(C/S) mode mes
The JICQ is the bureau area which JAVA writes according to "Customer s Machine/Server"(C/S) mode message solid hour correspond by letter tool system, the system adopted the SQL Server2000 of Microsoft company as a backstage database, the system passes a JDBC interview database. The system is divided ...
单片机开发 一個很好用的 lcd 時鐘程序 C語言 #include<reg51.h> #include<stdio.h> //定義計時器0 的重裝值 #define RELOAD
一個很好用的 lcd 時鐘程序 C語言
#include<reg51.h>
#include<stdio.h>
//定義計時器0 的重裝值
#define RELOAD_HIGH 0x3C
#define RELOAD_LOW 0xD2
//定義按鍵彈跳時間
#define DB_VAL
//定義設置模式的最大時間間隔
#define TIMEOUT 200
//定義游標位置常數
#define HOME 0
#define HOUR 1
#define MIN 2
#define SEC ...
技术资料 POE模块
POE模块,开发的大功率POE模块.FEATURES
Wide operating voltage:
INT100: 36V ~ 57V
Output Current
12V, 1A
5V, 2A
3.3V, 2A
Output voltage ripple: 100mVPP, (12V@1A)
High Efficiency 84% (input 48V, Load12V@1A)
Overcurrent /shortcircuit protection
High reliability: designed to ...
单片机开发 电子闹钟 clk： 标准时钟信号
电子闹钟
clk： 标准时钟信号，本例中，其频率为4Hz；
clk_1k： 产生闹铃音、报时音的时钟信号，本例中其频率为1024Hz；
mode： 功能控制信号； 为0：计时功能；
为1：闹钟功能；
为2：手动校时功能；
turn： 接按键，在手动校时功能时，选择是调整小时，还是分钟；
若长时间按住该键，还可使秒信号清零，用于精确调时；
c ...
SCSI/ASPI 将4MHz的访波输入到ccc模块上
将4MHz的访波输入到ccc模块上，输出500Hz提供鸣叫声频。1kHz的方波经fen10模块进行十分频后为秒模块mian、分模块mina、时模块hour，提供时钟信号；用sst模块为整点报时提供控制信号，（当59 50"、52"、54"、56"、58"时，q500输出为”1”，秒为00时qlk输出为”1”,这两个信号经过逻辑或门实现报时功能）；用sel模块提供数码 ...
技术资料 STM32记录按键时刻输出Excel文件到SDFlash
一、模拟时钟：定义变量： uint16_t hour = 10;uint16_t min = 14;uint16_t sec = 15;分别存放时分秒，初始化，并做外部声明，供其他函数使用；初始化定时器TIM7，开启中断，配置为1S进一次中断：在中断服务函数中对时间变量进行模拟时钟计时，完成模拟时钟；二、外部中断按键检测：开启外部中断后，检测四个按键状态检测到 ...
单片机开发 c8051f020 实时时钟模块程序 内含IIC模块程序/********************** SYSTEM CLOCK 8M********************************/
c8051f020 实时时钟模块程序 内含IIC模块程序/********************** SYSTEM CLOCK 8M********************************/
extern unsigned char xdata currenttime[16]={0}
extern unsigned char xdata settime[16]={
0x00, // control regesiter 1
0x00, // control regesiter 2
0x01, / ...