Filter and attenuator circuit design

NXP LP23**系列芯片GPIO按键输入驱动源码示例程序，可以发展成GPIO驱动-NXP LP23** series chips GPIO buttons input driver source sample procedures can be developed into a GPIO driver

这是一个关于lgui嵌入式图形界面的编程实例，对开发嵌入式linux图形界面的开发很有帮助-on lgui Embedded GUI programming examples, to develop embedded Linux GUI development helpful

TurboComm串口通信库（*.h+*.lib)，内有函数参考文档及函数调用示例。-TurboComm Serial communication library (*. h*. lib), a function within the reference documents and function call examples.

TI射频卡驱动，可以直接使用 TI射频卡驱动，可以直接使用-TI RF card driver can directly use TI RF card driver can directly use

倒车雷达源代码，超声波发射，接收，测距。-source code reversing radar, ultrasonic transmitter and receiver, location.

usb鼠标资料,包括详细的电路原理图,以及源程序等-usb mouse data, including the detailed circuit schematic diagram, as well as source code, etc.

max7219控制程序，适用于凌阳SPCE061单片机。-max7219 control procedures applicable to Sunplus SPCE061 SCM.

modbus 源码，内含crc算法，C语言编写 #include "system.h" #include "math.h" unsigned int BUFF[1900]; unsigned char OUTBUFF[452]; //MODBUS主站状态  

安桌开机动画 bootanimation.zip 可以参考制作自己的开机画面，txt文档中参数有动画帧数等参数，可以设置不同值实现不同的效果

Universal Bootloader which support OMAP2420.