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从键盘读入一个四位的十六进制数，CRT显示等值的二进制数. 由于每个十六进制数位对应4个二进制，所以每读入一个十六进制位后，即可将其对应的4个二进制位依次输出。由于数字‘０’~ ‘９’的ASCⅡ码为30H～39H,字母‘a’～‘f’与 ‘A’～‘F’的ASCⅡ码为61H～66H 与41H～46H ，因此，如果输入的字母为数字‘０’～‘９’，则其低４位即为对应的二进制位；如果输入的字符为字母‘ａ’～‘ｆ’或‘Ａ’～‘Ｆ’，则需要减７，然后通过移位将低４位依次输出。 -Reading from the keyboard into a 4 hexadecimal number, CRT display equivalent binary number. Since each hexadecimal number of the corresponding 4-bit binary, so every time into a hexadecimal places, can be its corresponding 4-bit binary sequence output. Due to the number

水温控制系统/-Water temperature control system /

这个东东是我刚写出来的,这可以完成定时1秒的功能,并且使用定时器来完成,定时精度高,可靠性高.-I just write out, it can be a regular seconds to complete the function, and the use of timers to complete, regular high accuracy and high reliability.

AT89C2051制作红外线多路遥控器，多通道，操作简单-AT89C2051 produced more Luyao infrared controller, multi-channel, simple operation

无线收发模块nRF9E5的例程,分别位汇编语言和单片机C语言编写-wireless transceiver module nRF9E5 the routines, places, respectively assembly language and C language MCU

一个由汇编实现的两个数相加，实现简单，比较适合学生 -achieve a compilation by the sum of two numbers, achieving simpler, more suitable for students

PB的skin控件使用案例。对应用软件进行界面优化美工。-PB control use cases of the skin. On the application of art optimization software interface.

一个背单词源码，用masm写成，作者zhasm 只是觉得其构思不错，版权归原作者所有-a source word back with masm languages, the author zhasm just think that the idea is true, All the property of authorship

MCS51汇编语言，加、减、乘、开平方子程序，经实际应用检验，绝无问题-MCS51 assembly language, add, subtract, multiply, square root subroutine, by the practical application of testing, no problem

类似于Windows自带的Ping.exe程序，用 ICMP 协议实现 Ping 的功能；socket的另一种用法-Ping.exe similar to Windows