上车按键后开始计价。有实时时钟、单价、距离和总价钱显示。可以通过键盘修改单价（元/公里）和时间。有清除键用以清楚上次费用。利用LCD分别显示时间、单价、路程和费...

单片机IO口模拟UART演示程序，使用74HC164串行显示数据-Single-chip analog IO port UART demo program, the use of 74HC164 serial display data

利用单片机以及DA0832产生正弦波的C51源程序-As well as the use of single-chip generated sine wave DA0832 source of C51

ZLG基于51的一个精简实时系统smallRTOS-ZLG based on 51 real-time system a streamlined smallRTOS

avr的程序，spi通信的程序，还有好多其他的-avr procedures, 20 communications procedures, there is still much to the other

51mcu开发板原理图，天祥电子 -Development board schematics, Intertek e-0000

本文介绍了两种分频系数为整数或半整数的可控分频器的设计方法。其中之一可以实现50％的奇数分频。利用VHDL语言编程，并用QUARTERS||4.0进行仿真，用 FPGA 芯片实现。 关键词：半整数，可控分频器，VHDL, FPGA -This article describes two kinds of sub-frequency coefficient is an integer or half-integer divider controllable design method. One of them can achieve 50 of the odd-numbered sub-frequency. The use of VHDL language programming, and QUARTERS | | 4.0 simulation, using FPGA chip. Key words: semi-integer, controllable divider, VHDL, FPGA

用C51单片机做一个温度计，同时用Proteus做的仿真 -C51 single-chip microcomputer to do with a thermometer, at the same time to do the simulation with Proteus

单片机汇编语言编写的IC卡读写程序--IC card read/write program for SCM. It is written in assembly language.

35个51单片机使用的c51程序，在keil 环境下开发-35 51 Singlechip C51-use procedures, the development environment in keil

i2c总线eeprom读写程序 可以读些从21c01--24c512的i2c总线eeprom芯片-i2c bus EEPROM read and write procedures can read more from 21c01-- the i2c bus 24c512 chip EEPROM