1.将P1.0～P1.3接开关，将P1.4～P1.7接发光二极管。依据P1.0～P1.3开关状态控制P1.4~P1.7发光二极管点亮。 2.将P1.0～P1.7...

Keil C51 example

用 AT89C51、LED 数码管、按键、二极管等部分构成，能实现时钟日历的功能：能进行时、分的显示。也具有时钟，定时时间的设定，实现三路开关定时输出等功能。-With AT89C51, LED digital tubes, buttons, diodes and other components, to achieve clock calendar function: to carry out, the sub-display. Also has a clock, timer time setting, the realization of three-way开关定时output functions.

nRF24E1多发单收，接收程序。原理，切换接收频率。-nRF24E1 multiple single-admission, to receive the procedure. Principle, to switch the receiving frequency.

液晶ATM12864D的驱动程序，应该也可以驱动其他类似的12864液晶，绝对精简，只含ASCII码显示，汉字可自己写，我开发的系统就是用的这个驱动，很实用-ATM12864D LCD driver should be able to drive other similar LCD 12864, absolutely streamlined, containing only ASCII code display, to write Chinese characters can be their own, I developed systems that use this driver, it is practical

步进电机控制程，加减速控制。行走步数控制-Stepper motor control process, acceleration and deceleration control. Control of walking a few steps

用C语言编写的交通灯上的程序，这里只取出了读取8563的一段程序。-Using C language programs on the traffic lights, only one out of the reading section of procedures for 8563.

美国TI公司的protel 元器件库，在应用中需要更新，本人收集了最新的版本共30M，为提高上传速度分六次上传。文件名依次为TI_1到TI_6。希望大家设计电路板时少走弯路。由于在上传时找不到分类，所以归结为书籍一类-TI" s U.S. Treasury protel components, need to be updated in the application, I collected a total of up-to-date version of 30M, to improve the upload speed upload six hours. File name followed by TI_1 to TI_6. Hope that the design of circuit board less detours. From when can not find in the classification, it comes down to a class of books

周立功试验板上的一个程序-weeks meritorious pilot of a board procedures

RS485 MODBUS C51程序(EE21学习板演示程序) -RS485 MODBUS C51 program (EE21 learning demo board)

介绍zlg7290的pdf，介绍得很详细，还有程序实例。-Introduction zlg7290 the pdf, very detailed introduction, there are instances.