单片机 原理图 protel画的 初学者可用来制作实验板 省钱哦

迎奥运倒计时钟，通过此设计，可以多方面学习atmega16的使用，设计制作使用的倒计时牌-China Welcomes the Olympics countdown clock, the passage of this design, you can use various learning ATmega16, designed to use the countdown to licensing

单片机实现以太网接口 有详细的原理图和代码-Realize single-chip Ethernet interface has detailed schematics and code

51上网卡测试程序源文件 -51 72.16 testing procedures source 51 72.16 source test procedures

51单片机的资料，我没打开，不清楚能不能用。-51 SCM information, I never opened, can not use.

这是我自己编写的1602和18B20的原程序！以通过实验！-This is what I have written the original 1602 and 18B20 procedure! Through the experiment!

该程序比较好用容易修改，是一个单片机应用类的一个很好的程序。-Comparison of the program easy-to-use changes is a single-chip applications of a good type of procedure.

用可调电阻调节电压值作为模拟温度的输入量，当温度低于30℃时，发出长嘀报警声和光报警，当温度高于60℃时，发出短嘀报警声和光报警。测量的温度范围在0－99℃。-Adjustable voltage regulator with resistance values of the input analog temperature, when the temperature is below 30 ℃, the issue of longalarm sound and light alarm, when the temperature is higher than 60 ℃, short issuedalarm sound and light alarm. Measurement of the temperature range of 0-99 ℃.

无线模块nrf2401驱动程序，介绍了NRF2401应用操作的源程序代码-Wireless module nRF2401 driver, introduced the application of the operation of nRF2401 source code

以上程序使用PIC12C508单片机，内部4MHZ时钟，4脚输入50HZ脉冲信号，7，6，3脚（GP0，GP1，GP4端口）为输出口。其中渐变部分是让灯慢慢的变亮（或灭--It uses PIC2C508 SCM, 4MHZ clock, 4 port is for inputting 50HZ signal, 7/6/3 port for output.

时钟日历芯片PCF8584的C51源程序，转载自于磁动力电子网-calendar clock chip PCF8584 source of C51, reproduced from the magnetic force on electronic network