The password keyboard as a kind of input device that is essential to bank and otherfinancial departments, it must have high credibility, safety, and the function of keeping secret.Disorder keyboard is a developed kind on the basis of t
2009-09-03 15:42
AT89C52详细参数
2017-03-20 11:29
The AT89C52 is a low-power, high-performance CMOS 8-bit microcomputer with 8Kbytes of Flash
2008-06-17 09:53
at89c52单片机引脚说明,AT89C52高性能8位单片机
2009-04-29 22:05
AT89C52数据手册
2022-05-05 17:19
应用AT89C52读写SD卡有两点需要注意。首先，需要寻找一个实现AT89C52 单片机与SD卡通讯的解决方案；其次，SD卡所能接受的逻辑电平与AT89C52提供的逻辑电平不匹配，需要解决电平匹配问题。
2019-02-16 11:23
AT89C52资料！！
2013-05-18 18:37
基于AT89C52的智能投递车设计_吴青鸿
2017-01-21 12:16
AT89C52单片机实现喇叭驱动的设计
2021-11-23 17:06
at89c52引脚图及管脚功能
2008-06-17 09:52
