www.peramain

ICETEK-VC5509-A原理图.pdf-ICETEK-VC5509-A schematic diagram. Pdf

crt0.S是汇编 ，实现设置栈和跳转执行c程序的功能，c函数实现点亮led的功能。 使用Makefile进行编译。

-显示时钟。

双向传输协议，如自动检测I2C传输协议COM端口需要连接

nds上大名鼎鼎的DSOrganize 2.8最新源代码。很值得研究。-nds on the famous DSOrganize 2.8 latest source code. Is worth studying.

方便大家使用，我用minigui 做的一个计算机器 简单实用 哈哈哈哈哈哈啊和-minigui calculator

ht1621的液晶驱动程序，很好用，欢迎下载。-ht16xx LCD driver, useful, welcome to download. A password to extract passwords note that the procedures do not have the passwords.

用C实现广告灯箱自动装置1、直流电机控制系统，控制广告牌的升降。 2、定时翻转广告，可由按键设定时长。 3、时间设置，5：00-22：00正常工作，其余时间不工作，时间可以调整。 4、到达广告的边缘部分广告停止翻转。 5、广告可以由按键设置升/降。 6、白天时间广告灯不亮，光线较暗时广告灯才亮，测试灯的好坏时可以手动控制灯光。 7、断电时保存时间及按键的设置，使广告牌到达边缘部分。 -C implementation using automatic device 1 advertisement light box, DC motor control system, control the rise and fall of advertising. 2, ads from time to time reversal, length of time set by the keys. 3, time set ,5:00-22: 00 normal job, the rest of the time does not work, time to adjust. 4, Get ads ads stop some of the edge flip. 5, ads can be set up by the button/drop. 6, ads during the day time lights are not bright, low light only bright lights when the ads to test the quality of light can control the lights manually. 7, when power-off time and save the settings button so that the edge part of advertising arrival.

计算机通过串口向2430发送命令，2430做相应的操作，并返回此时的状态-The computer through the serial port to send commands to the 2430, 2430 to do the appropriate operation and return to the state at this time

gprs协议实现-EDGE protocol