两个7段共阳LCD显示器，可以调整倒计时时间

另外一个RC531非接触式读卡器的全部源代码，实现全部功能-another RC531 non-contact reader the full source code, to achieve full functionality

功能完善的四层电梯程序。开门停8秒，上升或者下降一层用时5秒，有五秒倒计时数码管，楼层显示数码管，以及电梯内外楼层请求显示灯。-A well-functioning procedures for four-storey elevator. 8 seconds to open the door stopped, increased or decreased when a layer of 5 seconds, the 5 seconds countdown digital tube, digital tube display floor, as well as inside and outside the elevator floor indicator lights request.

msp430f169 DMA操作 msp430f169有丰富的片内资源其中dma可以使各个模块在cpu关闭的情况下仍能相互联系

凌阳061a单片机的定时器使用例程。包括两个定时例子-Sunplus 061A routine use of single-chip timer. Includes two examples from time to time

51子程序库，浮点、定点、加法、减法、乘法、除法-51 subroutine library, floating point, fixed point, addition, subtraction, multiplication, division

锁定键盘的程序,程序中设定了密码正确标志,在编译软件中编译成功.-keyboard lock procedures, procedures set password correct signs, the compiler software compiler success.

Compiled Tips and Tricks Guide for microchip products

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

数码时钟显示，用8位LED软件译码动态显示，P0为字段码,P2为位选码，数码管共阳， key0为位选键；key1为加“1键；key2为减“1”键。-Digital clock display with 8 LED dynamic display software decoding, P0 code for the field, P2 election code for the digital, digital tube were positive, key0 bond election for the position key1 to add " 1 button key2 to reduce the" 1 " button.

数字电压表,可模拟进行电压测量,用数码管显示电压值,有图和程序-Digital voltage meter, can be simulated for voltage measurement, digital display voltage value, a plan and procedures