又串口通信的扩展来得应用，由键盘输入数据后，由串口送到PC的子程序...

单片机外围电路，扩展的4×4键盘液晶显示程序-Single-chip peripheral circuits, expansion of the 4 × 4 keyboard LCD process

AVR定时器功能 定时器每秒加一,0到255循环,通过数码管显示计数值-AVR timer function Timer per second, plus one, 0 to 255 cycles, through the LED display counts

freescale hc12_A512例程-Freescale hc12_A512 routines

用TI单片机MSP430系列写的CRC检验程序，C语言-Using TI single-chip MSP430 series written by CRC testing procedures, C language

C8051F系列单片机的常用函数1，包括DA的初始化和单片机的初始化配置。-C8051F series microcontrollers commonly used function of a, including the DA" s initialization and initialization microcontroller configuration.

电话机的工作原理,有振铃电路,电话极性保护电路,还有双音多频发送接收电路-Telephone the working principle, has ringing circuit, Phone polarity protection circuit, as well as send DTMF receiver circuit

串口通信的单片机程序51单片机串口调试程序一例-Microcontroller serial communication program 51 MCU serial debugger one cases

作品简介:基于51单片机的信号发送器,理论距离是3000米,实际受到现实的干扰,信号发送距离降缩短到1500米以上.可以配备多个接收器,实现多机通讯. 作品作用:例如手动输入A,B,C,D 80个不同的信号,启动发送,那么配备的多个接收器能接收到这80个信号. -Work Description: 51 single-chip microcomputer-based signal transmitter, theoretical distance is 3000 meters, the actual interference by the reality, the signal sent down to shorten the distance to 1,500 meters. Can be equipped with multiple receivers, the realization of multi-machine communication. Work role: For example, manually enter the A, B, C, D 80 different signals, start to send, then equipped with a number of receivers that can receive signals 80.

一个完善的单片机tcpip实现,包括http/tftp/pop3/smtp,开发环境是富士通的16位单片机-a perfect realization of SCM TCPIP, including http/tftp/pop3/smtp, development environment is Fujitsu"s 16-bit MCU

单片机开发板的电路图 包含 PCB。。。。U1=89C51 U2=555 U3=MAX232 U4=24C01 U6＝X25045看门狗 X1=共阳数码管 -Single-chip development board contains the circuit PCB. . . . U1 = 89C51U2 = 555U3 = MAX232U4 = 24C01U6 = X25045 watchdog X1 = total yang digital tube