RF Imperfections
The unguided transmission of information using electromagnetic waves at radio frequency (RF) is often referred to as wireless communications, the firs...
The unguided transmission of information using electromagnetic waves at radio frequency (RF) is often referred to as wireless communications, the firs...
With all the recent hype over radio frequency identification (RFID) and the requirements to implement it, you might think that RFID can turn water int...
PC与单片机双向通讯智能温控程序 #include <AT89X51.H> #include <intrins.h> #define Key_UP P1_0 #define Key_DOWN P1_1 #define Key_SET P1_2 #define...
1. 本程序使用一个定时器和任意 2 个 I/O 口模拟一个串行口。 2. 1位起始位,8位数据位,1位停止位。发数据位时先发低位。 3. 支持半双工通讯。收、发波特率相同。 4. 应把定时器中断优先级设置为最高级。 5. 本程序每接收一个字节后就把它放到一个队列缓冲区中(也可使用环...
Abstract The Lucene Server project is an attempt to extend the Jakarta Lucene tool with server capabilities. Lucene is a robust Java API that en...