mcs51 platform SA866AE control procedures. With I/O port simulation spi, high

电子密码锁程序，两键输入，其中一个键累加，另一个键确认。密码正确锁打开（开锁指示灯亮）；密码错误锁关闭（关锁指示灯亮）；连续错三次则锁定键盘8秒并发出报警声。-Electronic code lock procedure, the two key input, one key additive, and the other button to confirm. The correct password to open lock (unlock indicator light) password error lock closure (Kuan-lock indicator light) consecutive wrong then lock the keyboard three times and issued eight seconds alarm sound.

51单片机定时器程序编写实例，对于初学者很有帮助。-51 Single-chip timer programming examples, very helpful for beginners.

KG.rar的全部，用KIL就可以打开，是一个开关控制程序，有LED显示接口和一个2*2健盘接口，开关时间的频率和周期可以调节。 -KG.rar of all, you can open with KIL is a switch control procedures, has LED display interface and a 2* 2 Kin-disk interface, switching frequency and cycle time can be adjusted.

51读写U盘全套技术资料,原理图,KEIL C51原代码-U disk 51 to read and write a full set of technical information, schematics, KEIL C51 original code

单片机最小系统，使用液晶显示，能够读取键盘值，具有综合扩展功能-The smallest single-chip system, the use of liquid crystal display, the keyboard can read the value of a comprehensive expansion of functions

基于Small RTOS51的数据采集器设计-Small RTOS51-based Data Acquisition Design

c8051f340 silcon实验室

规约转换 黄花河站四方博瑞小电流接地选线-Statute conversion L. Herbert River Station Quartet-feeder lines

1602的串行输入不用 那么多的引脚就可可以实现1602的读写 显示变量等功能-1602" s serial input pin can not so much can be achieved in 1602 show variable features such as reading and writing

1602LCD滚动显示程序 很详细的资料，适合初学者-1602LCD rolling display program is very detailed information, suitable for beginners