arm7 lpc2132 GPIO driver for beep

基于gps的车载定位系统，使用STCc51来设计的车在定位系统-Gps based vehicle positioning system, the use of STCc51 to design the vehicle positioning system

用LPC93251操作nand flash K9F6408，能正确擦，写，读。改用其它芯片，方法类似，注意时序就行了。如换用大容量flash，请注意每块的页数，6408每块是16页的。-with LPC93251 operation nand flash K9F6408 can correct rub, writing and reading. Other chip switch, a similar manner, the attention on the timing of the trip. If used for large-capacity flash, to every piece of pages, 6,408 each block is the 16.

光电池LED自动照明控制系统的设计与实现，这是一套毕业设计，里面包括电路原理图和程序原码包，还有相关的芯片资料，这是一套很大的系统 -Battery LED light automatic lighting control system design and implementation, which is a graduation project, which include the circuit schematic diagram and procedures for the original code package, and chip-related information, this is a great system

51单片机串口实验，通过连接单片机串口和PC串口实现简单字符的传递- 51 serial single-chip experiments, single-chip microcomputer through the serial port to connect PC serial port and the transmission of simple characters

EZ-USB FX系列单片机USB外围设备设计与应用.PDF 北航出版社 编著:许和

Keil uVision3例证代码NOMOD51 This file is part of the C51 Compiler package Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. Version 8.01-Keil uVision3 example code NOMOD51This file is part of the C51 Compiler package Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. Version 8.01

这个文件是关于PDIUSBD12固件控制的源代码。

利用单片机普通I/0口进行模拟IIC通信，从而实现24c02读写操作-The use of ordinary single-chip I/0 I mock IIC communication, reading and writing operation in order to realize 24C02

C51的45D驱动程序-C51 45D Driver

usb转串口单片机固件程序，能实现usb-232的双向转换-usb to serial single-chip firmware, usb-232 to achieve the two-way conversion