51单片机控制USB的源代码,不带DMA控制功能.

着是基于51的电子密码锁，希望大家支持！！！！谢谢，以后多多交流-51 on the basis of the electronic code lock, I hope you will support! ! ! ! Thank you, after a lot of exchanges

实用的PIC单片机的单相双向电能芯片5460校准程序。-PIC MCU practical single-phase bi-directional power 5460 chip calibration procedure.

ST9720控制器的12864液晶程序，同时兼容12232，本程序使用串行接法。只需三个管脚。-ST9720 LCD controller 12864 program is compatible with 12232, this program uses a serial access method. Just three pins.

亲测：基于51单片机的八路抢答器，与其他同类源码比，功能强大，有查询，设置，抢答，答题等所有实用功能。-Pro-test: Based on 51 single-chip eight-way of the Answer, and with other source than the powerful, a query, settings, Answer, answer all practical function.

有Proteus 7.1电路与LED倒计时C51程序,可以软件仿真C51的程序状态. -Proteus 7.1 has circuits and LED countdown C51 procedures, can be software simulation of the procedures the state of C51.

avr单片机的串口程序，用于操作avr单片机的串口，可以实现发送接收字符、字符串。-SCM avr serial procedures, for the operation of single-chip serial avr can be achieved Send receive characters, strings.

通用的LCD显示的子程序,汇编语言的,还可以-General of the LCD display subroutine, the compilation of language, but also

完整的实现RS232与TCP/IP网络协议的转换-Realize the full RS232 and TCP/IP network protocol conversion

128X64液晶显示模块驱动程序(CforC51)-128X64 LCD Module Driver (CforC51)

使用cnpic18f452的MS320240Bled初始化，使用PIC_CCS编译-MS320240Bled use of cnpic18f452 initialization, use the compiler PIC_CCS