用单片机和数码管，构成数字时钟。可以设定时间和闹钟。

LCD12864驱动开发，在KeilC51中非常有用

采用PDIUSBD12开发的USB总线与429总线数据转换的单片机固件程序-used PDIUSBD12 development of the USB bus with 429 data conversion MCU firmware

用于工业设备上,对设备工作时间进行定时,到时后,将设备锁定,要进行重设时间-TIMER

this is a Scope application for your qaq. - this is a Scope application for your qaq.

在c8051f020上实现的crc校验程序，绝对原创-C8051f020 achieved in the crc check procedures absolute originality

Used to display a hexadecimal value in 7 segment LED display using an interrupt in PORTB upper 4 bits.

用单片机播放音乐的源码并提供相应的音乐制作工具 -MCU-source music player and music production provided by the corresponding instrument

【液晶显示器的C语言程序设计 Freescale 8位微控制器】一书的光盘，对LCD驱动编写很有帮助-LCDs [C-Language Programming Freescale 8-bit microcontroller] 1 book CD-ROM, LCD driver for the preparation of useful

电话机的工作原理,有振铃电路,电话极性保护电路,还有双音多频发送接收电路-Telephone the working principle, has ringing circuit, Phone polarity protection circuit, as well as send DTMF receiver circuit

把所有端口的同时置高置低,不断闪烁 2 p1 口3 路流水灯理解2 进制数与端口的关系 3 单片机的加法:把52h+0fch 结果送p1 口 4 单片机的乘法:把ff*03h 结果送p1 5 单片机的二进制加法 6 单片机的两位计数器 7 学习单片机的逻辑运算 8 进一步学习单片机的逻辑运算 9 循环移位指令的流水灯 10 理解熟悉散转结构的程序 11 位操作指令的学习 12 比较指令的学习与cy位-All ports at the same time the high home ownership low, and constantly flashing 2 p1 I 3 way light water 2 hexadecimal understanding the relationship between the number of 3-port MCU adder: the 52h+ 0fch results sent p1 mouth 4 Singlechip multiplication: ff* 03h results to send binary adder p15 SCM SCM 6 2 7 learning Singlechip counter logic operations further study 8 MCU 9 cyclic shift logic operations instructions flowing light 10 scattered understanding of familiar procedures to the structure of 11 operating instruction instructions learn learning 12 compared with the cy-bit